{"id":37446,"date":"2025-12-05T01:36:26","date_gmt":"2025-12-04T23:36:26","guid":{"rendered":"https:\/\/www.cpge-brizeux.fr\/wordpress\/non-classe\/phenomenes-de-transport-1-transport-de-charge-2.html"},"modified":"2025-12-10T12:03:40","modified_gmt":"2025-12-10T10:03:40","slug":"phenomenes-de-transport-1-transport-de-charge-2","status":"publish","type":"post","link":"https:\/\/www.cpge-brizeux.fr\/wordpress\/psi\/physchim-psi-2526\/phenomenes-de-transport-1-transport-de-charge-2.html","title":{"rendered":"Ph\u00e9nom\u00e8nes de transport 1 : Transport de charge"},"content":{"rendered":"<h2>T\u00e9l\u00e9chargements<\/h2>\n<p><a href='https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-content\/uploads\/phenomenes-de-transport-1-transport-de-charge-poly.pdf'>Polycopi\u00e9<\/a><\/p>\n<p><a href='https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-content\/uploads\/phenomenes-de-transport-1-transport-de-charge-flashcards.apkg'>Flashcards Anki<\/a><\/p>\n<h2>Coups de pouce<\/h2>\n<p>Laisser la souris\/taper sur le texte pour l&rsquo;afficher.<\/p>\n<div class='coups-de-pouce'>\n<h5>Exercice 1<\/h5>\n<ol>\n<li>\n<ul>\n<li>\n    Le courant va des potentiels les plus \u00e9lev\u00e9s vers les potentiels les moins \u00e9lev\u00e9s.\n  <\/li>\n<\/ul>\n<\/li>\n<li>\n<ul>\n<li>\n    Laquelle des hypoth\u00e8ses de l\u2019\u00e9nonc\u00e9 implique-t-elle que le r\u00e9gime est stationnaire ?\n  <\/li>\n<li>\n    Exprimer le courant \u00e0 travers un cylindre de rayon <span style=\"display: inline-block\"><svg class=\"typst-frame\" style=\"overflow: visible; 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width: 0.4640000000000001em; height: 0.683em;\" viewBox=\"0 0 5.104000000000001 7.513000000000001\" width=\"5.104000000000001pt\" height=\"7.513000000000001pt\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xmlns:h5=\"http:\/\/www.w3.org\/1999\/xhtml\"><g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 0 7.513000000000001)\"><use xlink:href=\"#g3F0E579EADC51E233D83094E95B5AA39\" x=\"0\" y=\"0\" fill=\"#000000\" fill-rule=\"nonzero\"\/><\/g><\/g><defs id=\"glyph\"><symbol id=\"g3F0E579EADC51E233D83094E95B5AA39\" overflow=\"visible\"><path d=\"M 0 0m 4.796 4.114 c 0 0.46200037 -0.4510002 0.74800014 -0.93499994 0.74800014 c -0.53900003 0 -0.99 -0.25299978 -1.3640001 -0.77 c -0.109999895 0.4289999 -0.48399997 0.77 -1.0009999 0.77 c -0.4510001 0 -0.7810001 -0.35200024 -1.0120001 -1.0669999 c -0.109999985 -0.36300015 -0.16499999 -0.572 -0.16499999 -0.638 c 0 -0.09899998 0.055000007 -0.15400004 0.176 -0.15400004 c 0.055000007 0 0.088 0.010999918 0.12099999 0.032999992 c 0.055000007 0.09899998 0.088 0.17599988 0.09899998 0.25300002 c 0.19800001 0.83599997 0.45100003 1.2539997 0.74799997 1.2539997 c 0.18700004 0 0.286 -0.1539998 0.286 -0.4619999 c 0 -0.14299989 -0.054999948 -0.43999982 -0.16499996 -0.8909998 l -0.627 -2.497 c -0.032999992 -0.143 -0.09900004 -0.42900002 -0.09900004 -0.48400003 c 0 -0.22 0.12099999 -0.32999998 0.35200006 -0.32999998 c 0.21999991 0 0.36299992 0.11 0.43999994 0.32999998 l 0.20899999 0.79200006 c 0.12100005 0.47299993 0.19799995 0.7809999 0.23099995 0.9239999 l 0.34100008 1.408 c 0.022000074 0.08800006 0.109999895 0.23099995 0.25300002 0.44000006 c 0.29699993 0.41799998 0.638 0.76999974 1.177 0.76999974 c 0.13199997 0 0.2420001 -0.021999836 0.34100008 -0.076999664 c -0.33000016 -0.09899998 -0.49500012 -0.3080001 -0.49500012 -0.605 c 0 -0.286 0.15400004 -0.42900014 0.45099998 -0.42900014 c 0.36299992 0 0.638 0.319 0.638 0.6819999 Z \"\/><\/symbol><\/defs><\/svg><\/span>.\n  <\/li>\n<\/ul>\n<\/li>\n<li>\n<ul>\n<\/ul>\n<\/li>\n<\/ol>\n<h5>Exercice 2<\/h5>\n<ol>\n<li>\n<ul>\n<li>\n    Le poids peut \u00eatre n\u00e9glig\u00e9. La composante magn\u00e9tique et la composante \u00e9lectrique de la force de Lorentz sont toutes deux non-nulles.\n  <\/li>\n<\/ul>\n<\/li>\n<li>\n<ul>\n<li>\n    Projeter le th\u00e9or\u00e8me de la quantit\u00e9 de mouvement suivant <span style=\"display: inline-block\"><svg class=\"typst-frame\" style=\"overflow: visible; width: 0.9756em; height: 0.683em;\" viewBox=\"0 0 10.7316 7.513000000000001\" width=\"10.7316pt\" height=\"7.513000000000001pt\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xmlns:h5=\"http:\/\/www.w3.org\/1999\/xhtml\"><g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 6.203999999999999 7.513000000000001)\"><use xlink:href=\"#g154417F8EB280D42CEBBAAD30AD86F5A\" x=\"0\" y=\"0\" fill=\"#000000\" fill-rule=\"nonzero\"\/><\/g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 0 7.513000000000001)\"><use xlink:href=\"#g543F1B23C3C5D6AB685534F28A2D6B23\" x=\"0\" y=\"0\" fill=\"#000000\" fill-rule=\"nonzero\"\/><\/g><g 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0.36189985 0.75460005 0.7084 0.75460005 l 0.06929994 -0.0076999664 c 0.092400074 0 0.18479991 -0.0230999 0.26950002 -0.06159997 c -0.19250011 -0.08470011 -0.28489995 -0.22329998 -0.28489995 -0.42350006 c 0 -0.18479991 0.14629984 -0.31570005 0.3311 -0.31570005 c 0.2617998 0 0.45429993 0.23100019 0.45429993 0.4928 Z \"\/><\/symbol><\/defs><\/svg><\/span>.\n  <\/li>\n<\/ul>\n<\/li>\n<li>\n<ul>\n<li>\n    Relier la circulation du champ \u00e9lectrique \u00e0 la diff\u00e9rence de potentiel.\n  <\/li>\n<\/ul>\n<\/li>\n<li>\n<ul>\n<\/ul>\n<\/li>\n<\/ol>\n<h5>Exercice 3<\/h5>\n<ol>\n<li>\n<ul>\n<li>\n    Calculer la section n\u00e9cessaire pour chaque mat\u00e9riau afin d\u2019obtenir la r\u00e9sistance lin\u00e9ique souhait\u00e9e.\n  <\/li>\n<li>\n    En d\u00e9duire la masse lin\u00e9ique pour chaque mat\u00e9riau.\n  <\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h5>Exercice 4<\/h5>\n<ol>\n<li>\n<ul>\n<li>\n    Exprimer le courant passant dans une demi sph\u00e8re dans le sol, de rayon <span 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-0.09899998 0.055000007 -0.15400004 0.176 -0.15400004 c 0.055000007 0 0.088 0.010999918 0.12099999 0.032999992 c 0.055000007 0.09899998 0.088 0.17599988 0.09899998 0.25300002 c 0.19800001 0.83599997 0.45100003 1.2539997 0.74799997 1.2539997 c 0.18700004 0 0.286 -0.1539998 0.286 -0.4619999 c 0 -0.14299989 -0.054999948 -0.43999982 -0.16499996 -0.8909998 l -0.627 -2.497 c -0.032999992 -0.143 -0.09900004 -0.42900002 -0.09900004 -0.48400003 c 0 -0.22 0.12099999 -0.32999998 0.35200006 -0.32999998 c 0.21999991 0 0.36299992 0.11 0.43999994 0.32999998 l 0.20899999 0.79200006 c 0.12100005 0.47299993 0.19799995 0.7809999 0.23099995 0.9239999 l 0.34100008 1.408 c 0.022000074 0.08800006 0.109999895 0.23099995 0.25300002 0.44000006 c 0.29699993 0.41799998 0.638 0.76999974 1.177 0.76999974 c 0.13199997 0 0.2420001 -0.021999836 0.34100008 -0.076999664 c -0.33000016 -0.09899998 -0.49500012 -0.3080001 -0.49500012 -0.605 c 0 -0.286 0.15400004 -0.42900014 0.45099998 -0.42900014 c 0.36299992 0 0.638 0.319 0.638 0.6819999 Z \"\/><\/symbol><\/defs><\/svg><\/span> en fonction de <span style=\"display: inline-block\"><svg class=\"typst-frame\" style=\"overflow: visible; width: 0.4640000000000001em; height: 0.683em;\" viewBox=\"0 0 5.104000000000001 7.513000000000001\" width=\"5.104000000000001pt\" height=\"7.513000000000001pt\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xmlns:h5=\"http:\/\/www.w3.org\/1999\/xhtml\"><g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 0 7.513000000000001)\"><use xlink:href=\"#g3F0E579EADC51E233D83094E95B5AA39\" x=\"0\" y=\"0\" fill=\"#000000\" fill-rule=\"nonzero\"\/><\/g><\/g><defs id=\"glyph\"><symbol id=\"g3F0E579EADC51E233D83094E95B5AA39\" overflow=\"visible\"><path d=\"M 0 0m 4.796 4.114 c 0 0.46200037 -0.4510002 0.74800014 -0.93499994 0.74800014 c -0.53900003 0 -0.99 -0.25299978 -1.3640001 -0.77 c -0.109999895 0.4289999 -0.48399997 0.77 -1.0009999 0.77 c -0.4510001 0 -0.7810001 -0.35200024 -1.0120001 -1.0669999 c -0.109999985 -0.36300015 -0.16499999 -0.572 -0.16499999 -0.638 c 0 -0.09899998 0.055000007 -0.15400004 0.176 -0.15400004 c 0.055000007 0 0.088 0.010999918 0.12099999 0.032999992 c 0.055000007 0.09899998 0.088 0.17599988 0.09899998 0.25300002 c 0.19800001 0.83599997 0.45100003 1.2539997 0.74799997 1.2539997 c 0.18700004 0 0.286 -0.1539998 0.286 -0.4619999 c 0 -0.14299989 -0.054999948 -0.43999982 -0.16499996 -0.8909998 l -0.627 -2.497 c -0.032999992 -0.143 -0.09900004 -0.42900002 -0.09900004 -0.48400003 c 0 -0.22 0.12099999 -0.32999998 0.35200006 -0.32999998 c 0.21999991 0 0.36299992 0.11 0.43999994 0.32999998 l 0.20899999 0.79200006 c 0.12100005 0.47299993 0.19799995 0.7809999 0.23099995 0.9239999 l 0.34100008 1.408 c 0.022000074 0.08800006 0.109999895 0.23099995 0.25300002 0.44000006 c 0.29699993 0.41799998 0.638 0.76999974 1.177 0.76999974 c 0.13199997 0 0.2420001 -0.021999836 0.34100008 -0.076999664 c -0.33000016 -0.09899998 -0.49500012 -0.3080001 -0.49500012 -0.605 c 0 -0.286 0.15400004 -0.42900014 0.45099998 -0.42900014 c 0.36299992 0 0.638 0.319 0.638 0.6819999 Z \"\/><\/symbol><\/defs><\/svg><\/span> et <span style=\"display: inline-block\"><svg class=\"typst-frame\" style=\"overflow: visible; width: 0.425em; height: 0.683em;\" viewBox=\"0 0 4.675 7.513000000000001\" width=\"4.675pt\" height=\"7.513000000000001pt\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xmlns:h5=\"http:\/\/www.w3.org\/1999\/xhtml\"><g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 0 7.513000000000001)\"><use xlink:href=\"#g7E1B7610964C28DE51BCBF606EE90D00\" x=\"0\" y=\"0\" fill=\"#000000\" fill-rule=\"nonzero\"\/><\/g><\/g><defs id=\"glyph\"><symbol id=\"g7E1B7610964C28DE51BCBF606EE90D00\" overflow=\"visible\"><path d=\"M 0 0m 4.367 6.831 c 0 0.29699993 -0.15400028 0.44000006 -0.4510002 0.44000006 c -0.30799985 0 -0.61599994 -0.3080001 -0.61599994 -0.6160002 c 0 -0.29699993 0.14300013 -0.43999958 0.44000006 -0.43999958 c 0.30799985 0 0.6270001 0.3079996 0.6270001 0.6159997 Z m -1.4300001 -1.947 c -0.58299994 0 -1.0780001 -0.44000006 -1.32 -0.8249998 c -0.29700005 -0.47300005 -0.43999994 -0.77 -0.43999994 -0.90199995 c 0 -0.09899998 0.054999948 -0.14300013 0.16499996 -0.14300013 c 0.054999948 0 0.08799994 0.011000156 0.12099993 0.022000074 c 0.055000067 0.08800006 0.08800006 0.16499996 0.12100005 0.22000003 c 0.352 0.86899996 0.79199994 1.2979999 1.32 1.2979999 c 0.19799995 0 0.29699993 -0.1539998 0.29699993 -0.45099974 c 0 -0.1650002 -0.022000074 -0.35200024 -0.0769999 -0.5500002 l -1.0120001 -4.059 c -0.15400004 -0.6380001 -0.594 -1.4189999 -1.287 -1.4189999 c -0.09899998 0 -0.19800001 0.010999918 -0.297 0.04399991 c 0.27499998 0.110000014 0.407 0.3080001 0.407 0.58300006 c 0 0.286 -0.15399998 0.42899996 -0.451 0.42899996 c -0.352 0 -0.627 -0.31899995 -0.627 -0.67099994 c 0 -0.48399997 0.473 -0.7149999 0.99 -0.7149999 c 0.47299993 0 0.913 0.16499996 1.32 0.4949999 c 0.385 0.319 0.62699986 0.72599995 0.7479999 1.199 l 1.0009999 3.9819999 c 0.032999992 0.14299989 0.055000067 0.286 0.055000067 0.41799998 c 0 0.6049998 -0.4289999 1.0449998 -1.0339999 1.0449998 Z \"\/><\/symbol><\/defs><\/svg><\/span>. Ce courant d\u00e9pend-il de <span style=\"display: inline-block\"><svg class=\"typst-frame\" style=\"overflow: visible; width: 0.4640000000000001em; height: 0.683em;\" viewBox=\"0 0 5.104000000000001 7.513000000000001\" width=\"5.104000000000001pt\" height=\"7.513000000000001pt\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xmlns:h5=\"http:\/\/www.w3.org\/1999\/xhtml\"><g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 0 7.513000000000001)\"><use xlink:href=\"#g3F0E579EADC51E233D83094E95B5AA39\" x=\"0\" y=\"0\" fill=\"#000000\" fill-rule=\"nonzero\"\/><\/g><\/g><defs id=\"glyph\"><symbol id=\"g3F0E579EADC51E233D83094E95B5AA39\" overflow=\"visible\"><path d=\"M 0 0m 4.796 4.114 c 0 0.46200037 -0.4510002 0.74800014 -0.93499994 0.74800014 c -0.53900003 0 -0.99 -0.25299978 -1.3640001 -0.77 c -0.109999895 0.4289999 -0.48399997 0.77 -1.0009999 0.77 c -0.4510001 0 -0.7810001 -0.35200024 -1.0120001 -1.0669999 c -0.109999985 -0.36300015 -0.16499999 -0.572 -0.16499999 -0.638 c 0 -0.09899998 0.055000007 -0.15400004 0.176 -0.15400004 c 0.055000007 0 0.088 0.010999918 0.12099999 0.032999992 c 0.055000007 0.09899998 0.088 0.17599988 0.09899998 0.25300002 c 0.19800001 0.83599997 0.45100003 1.2539997 0.74799997 1.2539997 c 0.18700004 0 0.286 -0.1539998 0.286 -0.4619999 c 0 -0.14299989 -0.054999948 -0.43999982 -0.16499996 -0.8909998 l -0.627 -2.497 c -0.032999992 -0.143 -0.09900004 -0.42900002 -0.09900004 -0.48400003 c 0 -0.22 0.12099999 -0.32999998 0.35200006 -0.32999998 c 0.21999991 0 0.36299992 0.11 0.43999994 0.32999998 l 0.20899999 0.79200006 c 0.12100005 0.47299993 0.19799995 0.7809999 0.23099995 0.9239999 l 0.34100008 1.408 c 0.022000074 0.08800006 0.109999895 0.23099995 0.25300002 0.44000006 c 0.29699993 0.41799998 0.638 0.76999974 1.177 0.76999974 c 0.13199997 0 0.2420001 -0.021999836 0.34100008 -0.076999664 c -0.33000016 -0.09899998 -0.49500012 -0.3080001 -0.49500012 -0.605 c 0 -0.286 0.15400004 -0.42900014 0.45099998 -0.42900014 c 0.36299992 0 0.638 0.319 0.638 0.6819999 Z \"\/><\/symbol><\/defs><\/svg><\/span> ?\n  <\/li>\n<\/ul>\n<\/li>\n<li>\n<ul>\n<li>\n    Utiliser la loi d\u2019Ohm locale.\n  <\/li>\n<li>\n    D\u00e9terminer la circulation du champ \u00e9lectrique entre <span style=\"display: inline-block\"><svg class=\"typst-frame\" style=\"overflow: visible; width: 0.4640000000000001em; height: 0.683em;\" viewBox=\"0 0 5.104000000000001 7.513000000000001\" width=\"5.104000000000001pt\" height=\"7.513000000000001pt\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xmlns:h5=\"http:\/\/www.w3.org\/1999\/xhtml\"><g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 0 7.513000000000001)\"><use xlink:href=\"#g3F0E579EADC51E233D83094E95B5AA39\" x=\"0\" y=\"0\" fill=\"#000000\" fill-rule=\"nonzero\"\/><\/g><\/g><defs id=\"glyph\"><symbol id=\"g3F0E579EADC51E233D83094E95B5AA39\" overflow=\"visible\"><path d=\"M 0 0m 4.796 4.114 c 0 0.46200037 -0.4510002 0.74800014 -0.93499994 0.74800014 c -0.53900003 0 -0.99 -0.25299978 -1.3640001 -0.77 c -0.109999895 0.4289999 -0.48399997 0.77 -1.0009999 0.77 c -0.4510001 0 -0.7810001 -0.35200024 -1.0120001 -1.0669999 c -0.109999985 -0.36300015 -0.16499999 -0.572 -0.16499999 -0.638 c 0 -0.09899998 0.055000007 -0.15400004 0.176 -0.15400004 c 0.055000007 0 0.088 0.010999918 0.12099999 0.032999992 c 0.055000007 0.09899998 0.088 0.17599988 0.09899998 0.25300002 c 0.19800001 0.83599997 0.45100003 1.2539997 0.74799997 1.2539997 c 0.18700004 0 0.286 -0.1539998 0.286 -0.4619999 c 0 -0.14299989 -0.054999948 -0.43999982 -0.16499996 -0.8909998 l -0.627 -2.497 c -0.032999992 -0.143 -0.09900004 -0.42900002 -0.09900004 -0.48400003 c 0 -0.22 0.12099999 -0.32999998 0.35200006 -0.32999998 c 0.21999991 0 0.36299992 0.11 0.43999994 0.32999998 l 0.20899999 0.79200006 c 0.12100005 0.47299993 0.19799995 0.7809999 0.23099995 0.9239999 l 0.34100008 1.408 c 0.022000074 0.08800006 0.109999895 0.23099995 0.25300002 0.44000006 c 0.29699993 0.41799998 0.638 0.76999974 1.177 0.76999974 c 0.13199997 0 0.2420001 -0.021999836 0.34100008 -0.076999664 c -0.33000016 -0.09899998 -0.49500012 -0.3080001 -0.49500012 -0.605 c 0 -0.286 0.15400004 -0.42900014 0.45099998 -0.42900014 c 0.36299992 0 0.638 0.319 0.638 0.6819999 Z \"\/><\/symbol><\/defs><\/svg><\/span> et <span style=\"display: inline-block\"><svg class=\"typst-frame\" style=\"overflow: visible; width: 1.778em; height: 0.683em;\" viewBox=\"0 0 19.558 7.513000000000001\" width=\"19.558pt\" height=\"7.513000000000001pt\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xmlns:h5=\"http:\/\/www.w3.org\/1999\/xhtml\"><g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 0 7.513000000000001)\"><use xlink:href=\"#g47CD197A6E96793962ED8F7E2A9BF9CE\" x=\"0\" y=\"0\" fill=\"#000000\" fill-rule=\"nonzero\"\/><\/g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 8.558 7.513000000000001)\"><use 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-0.18700027 1.221 -0.5500002 1.7049999 c -0.4069996 0.5170002 -0.9239998 0.78100014 -1.5509996 0.78100014 c -0.74800014 0 -1.3970003 -0.28599977 -1.9360003 -0.8579998 c -0.31899977 -0.35200024 -0.572 -0.67100024 -0.7589998 -0.9460001 c -0.47300005 0.5609999 -0.7920003 0.91299987 -0.9460001 1.0450001 c -0.59399986 0.50600004 -1.221 0.7589998 -1.881 0.7589998 c -0.638 0 -1.166 -0.26399994 -1.573 -0.78100014 c -0.37400007 -0.48399997 -0.56100005 -1.0559998 -0.56100005 -1.7159998 c 0 -0.64900005 0.18699998 -1.221 0.55 -1.705 c 0.40699995 -0.51699996 0.9239999 -0.78099996 1.551 -0.78099996 c 0.7479999 0 1.3969998 0.28599998 1.9359999 0.858 c 0.31900024 0.352 0.572 0.671 0.7590003 0.946 c 0.47299957 -0.561 0.7919998 -0.913 0.9459996 -1.045 c 0.59400034 -0.50600004 1.2210002 -0.759 1.8810005 -0.759 Z m 1.8039999 2.497 c 0 -0.30799985 -0.022000313 -0.5279999 -0.055000305 -0.65999997 c -0.055000305 -0.20899999 -0.19799995 -0.42900002 -0.4289999 -0.6819999 c -0.31900024 -0.36300004 -0.7040005 -0.5500001 -1.144 -0.5500001 c -0.47300005 0 -0.93499994 0.253 -1.408 0.75900006 c -0.4949999 0.605 -0.8579998 1.056 -1.0890002 1.3639998 c 0.6930003 1.2210002 1.5070004 1.8260002 2.4310002 1.8260002 c 1.0229998 0 1.6940002 -0.9790001 1.6940002 -2.0570002 Z m -9.097 -0.010999918 c 0 0.4949999 0.15400004 0.924 0.462 1.309 c 0.30799997 0.385 0.6930001 0.58299994 1.1659999 0.58299994 c 0.47300005 0 0.9350002 -0.25299978 1.408 -0.75900006 c 0.4949999 -0.605 0.8580003 -1.056 1.0890002 -1.3639998 c -0.6930003 -1.2210001 -1.5070002 -1.8260001 -2.4310002 -1.8260001 c -1.0229999 0 -1.6939999 0.979 -1.6939999 2.057 Z \"\/><\/symbol><\/defs><\/svg><\/span>.\n  <\/li>\n<\/ul>\n<\/li>\n<li>\n<ul>\n<li>\n    Que donne la relation pr\u00e9c\u00e9dente en prenant <span style=\"display: inline-block\"><svg class=\"typst-frame\" style=\"overflow: visible; width: 2.5805555555555557em; height: 0.683em;\" viewBox=\"0 0 28.386111111111113 7.513000000000001\" width=\"28.386111111111113pt\" 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-0.22000027 -0.043999672 -0.47300005 -0.14299965 -0.77000046 c -0.2970004 -0.90199995 -1.0450001 -1.3529997 -2.244 -1.3529997 h -1.1660001 l 0.6930001 2.783 c 0.05499983 0.23099995 0.14299965 0.35199976 0.26399994 0.36299992 c 0.05499983 0.011000156 0.2750001 0.011000156 0.65999985 0.011000156 c 0.71500015 0 1.1329999 -0.022000313 1.606 -0.3080001 Z \"\/><\/symbol><\/defs><\/svg><\/span> ?\n  <\/li>\n<\/ul>\n<\/li>\n<li>\n<ul>\n<\/ul>\n<\/li>\n<li>\n<ul>\n<\/ul>\n<\/li>\n<li>\n<ul>\n<li>\n    Calculer la diff\u00e9rence de potentiel maximale admissible entre deux pieds d\u2019un \u00eatre humain.\n  <\/li>\n<li>\n    Quelle distance <span style=\"display: inline-block\"><svg class=\"typst-frame\" style=\"overflow: visible; width: 0.544em; height: 0.683em;\" viewBox=\"0 0 5.984000000000001 7.513000000000001\" width=\"5.984000000000001pt\" height=\"7.513000000000001pt\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" 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0.51699996 -0.14300013 0.6489999 -0.4289999 Z \"\/><\/symbol><\/defs><\/svg><\/span> y a-t-il typiquement entre deux pieds.\n  <\/li>\n<li>\n    Dans le pire des cas, les pieds sont \u201cl\u2019un derri\u00e8re l\u2019autre\u201d : leurs coordonn\u00e9es <span style=\"display: inline-block\"><svg class=\"typst-frame\" style=\"overflow: visible; width: 0.4640000000000001em; height: 0.683em;\" viewBox=\"0 0 5.104000000000001 7.513000000000001\" width=\"5.104000000000001pt\" height=\"7.513000000000001pt\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xmlns:h5=\"http:\/\/www.w3.org\/1999\/xhtml\"><g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 0 7.513000000000001)\"><use xlink:href=\"#g3F0E579EADC51E233D83094E95B5AA39\" x=\"0\" y=\"0\" fill=\"#000000\" fill-rule=\"nonzero\"\/><\/g><\/g><defs id=\"glyph\"><symbol id=\"g3F0E579EADC51E233D83094E95B5AA39\" overflow=\"visible\"><path d=\"M 0 0m 4.796 4.114 c 0 0.46200037 -0.4510002 0.74800014 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0.29699993 0.41799998 0.638 0.76999974 1.177 0.76999974 c 0.13199997 0 0.2420001 -0.021999836 0.34100008 -0.076999664 c -0.33000016 -0.09899998 -0.49500012 -0.3080001 -0.49500012 -0.605 c 0 -0.286 0.15400004 -0.42900014 0.45099998 -0.42900014 c 0.36299992 0 0.638 0.319 0.638 0.6819999 Z \"\/><\/symbol><\/defs><\/svg><\/span> sont s\u00e9par\u00e9es de <span style=\"display: inline-block\"><svg class=\"typst-frame\" style=\"overflow: visible; width: 0.544em; height: 0.683em;\" viewBox=\"0 0 5.984000000000001 7.513000000000001\" width=\"5.984000000000001pt\" height=\"7.513000000000001pt\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xmlns:h5=\"http:\/\/www.w3.org\/1999\/xhtml\"><g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 0 7.513000000000001)\"><use xlink:href=\"#g383D6E174AFE7446B833BA524DB49A47\" x=\"0\" y=\"0\" fill=\"#000000\" fill-rule=\"nonzero\"\/><\/g><\/g><defs id=\"glyph\"><symbol id=\"g383D6E174AFE7446B833BA524DB49A47\" overflow=\"visible\"><path d=\"M 0 0m 4.719 6.952 l -0.6489997 -2.6730003 c -0.23100019 0.40700006 -0.5500002 0.6160002 -0.9790001 0.6160002 c -0.71500015 0 -1.3420001 -0.36299992 -1.8920001 -1.0999999 c -0.506 -0.68200016 -0.759 -1.3970001 -0.759 -2.134 c 0 -0.968 0.56100005 -1.7820001 1.4849999 -1.7820001 c 0.47300005 0 0.93499994 0.253 1.375 0.77 c 0.12100005 -0.41799998 0.49500012 -0.77 1.0119998 -0.77 c 0.7590003 0 1.0010004 0.902 1.1660004 1.7160001 c 0 0.09899998 -0.055000305 0.15399992 -0.16499996 0.15399992 c -0.099000454 0 -0.16500044 -0.07700002 -0.19800043 -0.23099995 c -0.21999979 -0.869 -0.48399973 -1.309 -0.78099966 -1.309 c -0.18700027 0 -0.28600025 0.15400001 -0.28600025 0.45099998 c 0 0.16500002 0.022000313 0.34100008 0.065999985 0.5170001 l 1.5620003 6.292 v 0.04400015 c -0.032999992 0.07700014 -0.09899998 0.12099981 -0.18700027 0.12099981 c -0.25299978 0 -0.7149997 -0.043999672 -1.375 -0.12099981 c -0.12099981 -0.011000156 -0.1869998 -0.09899998 -0.1869998 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inline-block\"><svg class=\"typst-frame\" style=\"overflow: visible; width: 0.495em; height: 0.683em;\" viewBox=\"0 0 5.445 7.513000000000001\" width=\"5.445pt\" height=\"7.513000000000001pt\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xmlns:h5=\"http:\/\/www.w3.org\/1999\/xhtml\"><g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 0 7.513000000000001)\"><use xlink:href=\"#g944C5D9B5024E9473426E6497D513A19\" x=\"0\" y=\"0\" fill=\"#000000\" fill-rule=\"nonzero\"\/><\/g><\/g><defs id=\"glyph\"><symbol id=\"g944C5D9B5024E9473426E6497D513A19\" overflow=\"visible\"><path d=\"M 0 0m 1.782 1.012 l -0.18699992 -0.021999955 c 0.5279999 0.51699996 0.93499994 0.89100003 1.21 1.144 l 1.056 0.97899985 c 0.25299978 0.23099995 0.5169997 0.51699996 0.77 0.83599997 c 0.34100008 0.41800022 0.50600004 0.671 0.50600004 0.7590003 c 0 0.09899998 -0.055000305 0.1539998 -0.16499996 0.1539998 c -0.07700014 0 -0.14300013 -0.04400015 -0.19799995 -0.14300013 c -0.2750001 -0.45099974 -0.52800035 -0.671 -0.77 -0.671 c -0.2420001 0 -0.41800022 0.19799995 -0.5170002 0.32999992 c -0.26399994 0.31900024 -0.5280001 0.4840002 -0.7809999 0.4840002 c -0.286 0 -0.5830002 -0.13199997 -0.89100015 -0.41800022 c -0.30799997 -0.28599977 -0.4619999 -0.5719998 -0.4619999 -0.8579998 c 0 -0.109999895 0.054999948 -0.16499996 0.176 -0.16499996 c 0.0769999 0 0.14299989 0.055000067 0.18699992 0.15400004 c 0.12100005 0.319 0.4180001 0.4729998 0.8690001 0.4729998 c 0.15400004 0 0.37399983 -0.05499983 0.671 -0.1539998 c 0.26399994 -0.09899998 0.51699996 -0.15400004 0.74800014 -0.16499996 c -0.6160002 -0.605 -1.0890002 -1.0450001 -1.4300003 -1.342 l -0.97899985 -0.9130001 c -0.16500008 -0.16499996 -0.37400007 -0.385 -0.605 -0.65999997 c -0.34100002 -0.42900002 -0.517 -0.68200004 -0.517 -0.781 c 0 -0.099 0.055000007 -0.154 0.176 -0.154 c 0.065999985 0 0.13200003 0.055 0.20899999 0.16499999 c 0.27500004 0.429 0.57199997 0.64900005 0.88000005 0.64900005 c 0.176 0 0.37399995 -0.13200003 0.594 -0.407 c 0.22000003 -0.275 0.47300005 -0.407 0.7260001 -0.407 c 0.37399983 0 0.7479999 0.198 1.144 0.583 c 0.3959999 0.385 0.59399986 0.75899994 0.59399986 1.122 c 0 0.09899998 -0.05499983 0.15400004 -0.17600012 0.15400004 c -0.07700014 0 -0.14300013 -0.055000067 -0.19799995 -0.16500008 c -0.16499996 -0.47299993 -0.638 -0.87999994 -1.254 -0.87999994 c -0.26399994 0 -1.122 0.31899995 -1.386 0.31899995 Z \"\/><\/symbol><\/defs><\/svg><\/span>.\n  <\/li>\n<\/ul>\n<\/li>\n<li>\n<ul>\n<li>\n    \u00c9crire la seconde loi de Newton en r\u00e9gime stationnaire. Les forces sont la force de frottement fluide mod\u00e9lisant les chocs avec le r\u00e9seau cristallin et la force de Lorentz (partie magn\u00e9tique et partie \u00e9lectrique).\n  <\/li>\n<li>\n    Projeter la seconde loi de Newton selon <span style=\"display: inline-block\"><svg class=\"typst-frame\" style=\"overflow: visible; width: 0.4640000000000001em; height: 0.683em;\" viewBox=\"0 0 5.104000000000001 7.513000000000001\" width=\"5.104000000000001pt\" height=\"7.513000000000001pt\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xmlns:h5=\"http:\/\/www.w3.org\/1999\/xhtml\"><g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 0 7.513000000000001)\"><use xlink:href=\"#g3F0E579EADC51E233D83094E95B5AA39\" x=\"0\" y=\"0\" fill=\"#000000\" fill-rule=\"nonzero\"\/><\/g><\/g><defs id=\"glyph\"><symbol id=\"g3F0E579EADC51E233D83094E95B5AA39\" overflow=\"visible\"><path d=\"M 0 0m 4.796 4.114 c 0 0.46200037 -0.4510002 0.74800014 -0.93499994 0.74800014 c -0.53900003 0 -0.99 -0.25299978 -1.3640001 -0.77 c -0.109999895 0.4289999 -0.48399997 0.77 -1.0009999 0.77 c -0.4510001 0 -0.7810001 -0.35200024 -1.0120001 -1.0669999 c -0.109999985 -0.36300015 -0.16499999 -0.572 -0.16499999 -0.638 c 0 -0.09899998 0.055000007 -0.15400004 0.176 -0.15400004 c 0.055000007 0 0.088 0.010999918 0.12099999 0.032999992 c 0.055000007 0.09899998 0.088 0.17599988 0.09899998 0.25300002 c 0.19800001 0.83599997 0.45100003 1.2539997 0.74799997 1.2539997 c 0.18700004 0 0.286 -0.1539998 0.286 -0.4619999 c 0 -0.14299989 -0.054999948 -0.43999982 -0.16499996 -0.8909998 l -0.627 -2.497 c -0.032999992 -0.143 -0.09900004 -0.42900002 -0.09900004 -0.48400003 c 0 -0.22 0.12099999 -0.32999998 0.35200006 -0.32999998 c 0.21999991 0 0.36299992 0.11 0.43999994 0.32999998 l 0.20899999 0.79200006 c 0.12100005 0.47299993 0.19799995 0.7809999 0.23099995 0.9239999 l 0.34100008 1.408 c 0.022000074 0.08800006 0.109999895 0.23099995 0.25300002 0.44000006 c 0.29699993 0.41799998 0.638 0.76999974 1.177 0.76999974 c 0.13199997 0 0.2420001 -0.021999836 0.34100008 -0.076999664 c -0.33000016 -0.09899998 -0.49500012 -0.3080001 -0.49500012 -0.605 c 0 -0.286 0.15400004 -0.42900014 0.45099998 -0.42900014 c 0.36299992 0 0.638 0.319 0.638 0.6819999 Z \"\/><\/symbol><\/defs><\/svg><\/span> et <span style=\"display: inline-block\"><svg class=\"typst-frame\" style=\"overflow: visible; width: 0.483em; height: 0.683em;\" viewBox=\"0 0 5.313 7.513000000000001\" width=\"5.313pt\" height=\"7.513000000000001pt\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xmlns:h5=\"http:\/\/www.w3.org\/1999\/xhtml\"><g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 0 7.513000000000001)\"><use xlink:href=\"#g59A2D2A59C7CABE840D69A7D7B950D47\" x=\"0\" y=\"0\" fill=\"#000000\" fill-rule=\"nonzero\"\/><\/g><\/g><defs id=\"glyph\"><symbol id=\"g59A2D2A59C7CABE840D69A7D7B950D47\" overflow=\"visible\"><path d=\"M 0 0m 1.804 -0.121 c 0.495 0 1.012 0.297 1.518 0.891 c 0.8800001 1.023 1.6830001 2.915 1.6830001 4.708 c 0 0.45099974 -0.07700014 0.9239998 -0.23099995 1.3969998 c -0.19799995 0.5830002 -0.572 0.8800001 -1.1110003 0.8800001 c -0.4949999 0 -0.9899998 -0.29699993 -1.507 -0.8910003 c -0.8799999 -1.0120001 -1.6939999 -2.9039998 -1.6939999 -4.708 c 0 -1.1219999 0.36299998 -2.277 1.342 -2.277 Z m 1.8479999 7.546 c 0.36299992 0 0.5500002 -0.41800022 0.5500002 -1.2650003 c 0 -0.47300005 -0.11000013 -1.1879997 -0.33000016 -2.1229997 h -2.1669998 c 0.27499998 1.0229998 0.5389999 1.7819996 0.814 2.277 c 0.40699983 0.737 0.7919998 1.1110001 1.1329999 1.1110001 Z m -2.057 -3.8280003 h 2.156 c -0.20899987 -0.8909998 -0.4619999 -1.606 -0.737 -2.145 c -0.4289999 -0.82500005 -0.82500005 -1.243 -1.2099999 -1.243 c -0.36300004 0 -0.53900003 0.42900002 -0.53900003 1.276 c 0 0.5500001 0.110000014 1.2540001 0.33000004 2.112 Z \"\/><\/symbol><\/defs><\/svg><\/span>. 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Laquelle ?\n  <\/li>\n<li>\n    \u00c9crire la loi de la quantit\u00e9 de mouvement en l\u2019absence de choc.\n  <\/li>\n<\/ul>\n<\/li>\n<li>\n<ul>\n<li>\n    La fonction <code>np.linspace(a, b, N)<\/code> cr\u00e9e un array numpy de <code>N<\/code> valeurs r\u00e9guli\u00e8rement espac\u00e9es entre <code>a<\/code> et <code>b<\/code>. On peut s\u2019en servir pour cr\u00e9er le array <code>t<\/code>.\n  <\/li>\n<li>\n    La fonction <code>np.zeros(N)<\/code> cr\u00e9e un array numpy de <code>N<\/code> valeurs nulles. 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En d\u00e9duire une relation entre <code>v[i+1]<\/code> et <code>v[i]<\/code>.\n  <\/li>\n<\/ul>\n<\/li>\n<li>\n<ul>\n<li>\n    Quelle est la probabilit\u00e9 que l\u2019instruction <code>random() &lt; dt\/tau:<\/code> renvoie <code>True<\/code> ?\n  <\/li>\n<\/ul>\n<\/li>\n<li>\n<ul>\n<li>\n    Quel est le lien entre le vecteur densit\u00e9 de courant <span style=\"display: inline-block\"><svg class=\"typst-frame\" style=\"overflow: visible; width: 0.389em; height: 0.683em;\" viewBox=\"0 0 4.279 7.513000000000001\" width=\"4.279pt\" height=\"7.513000000000001pt\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xmlns:h5=\"http:\/\/www.w3.org\/1999\/xhtml\"><g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 5.928999999999999 7.513000000000001)\"><use xlink:href=\"#g154417F8EB280D42CEBBAAD30AD86F5A\" x=\"0\" y=\"0\" fill=\"#000000\" fill-rule=\"nonzero\"\/><\/g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 0 7.513000000000001)\"><use xlink:href=\"#g615825AC94051121D43C6232C1EDC641\" x=\"0\" y=\"0\" fill=\"#000000\" fill-rule=\"nonzero\"\/><\/g><\/g><defs id=\"glyph\"><symbol id=\"g154417F8EB280D42CEBBAAD30AD86F5A\" overflow=\"visible\"><path d=\"M 0 0m -0.759 6.5889997 c 0.09900004 0.032999992 0.143 0.0880003 0.143 0.18700027 c 0 0.09899998 -0.04399997 0.1539998 -0.143 0.1869998 c -0.39599997 0.13199997 -0.682 0.37400007 -0.858 0.737 c -0.032999992 0.07700014 -0.09899998 0.12100029 -0.176 0.12100029 c -0.143 0 -0.20900011 -0.065999985 -0.20900011 -0.19799995 c 0 -0.16499996 0.14300013 -0.38500023 0.42900014 -0.64900017 h -3.4099998 c -0.14300013 0 -0.20900011 -0.065999985 -0.20900011 -0.19799995 c 0 -0.13199997 0.065999985 -0.19799995 0.20900011 -0.19799995 h 3.4099998 c -0.286 -0.26399994 -0.42900014 -0.4840002 -0.42900014 -0.64900017 c 0 -0.13199997 0.066000104 -0.19799995 0.20900011 -0.19799995 c 0.07700002 0 0.143 0.04400015 0.176 0.12099981 c 0.176 0.3630004 0.462 0.605 0.858 0.737 Z \"\/><\/symbol><symbol id=\"g615825AC94051121D43C6232C1EDC641\" overflow=\"visible\"><path d=\"M 0 0m 2.937 4.862 c -0.42900014 0 -0.803 -0.1869998 -1.1220001 -0.572 c -0.26399994 -0.319 -0.45099998 -0.6270001 -0.5719999 -0.924 c -0.055000067 -0.12100005 -0.07700002 -0.18700004 -0.07700002 -0.22000003 c 0 -0.09899998 0.054999948 -0.1539998 0.176 -0.1539998 c 0.08799994 0 0.16499996 0.0769999 0.23099995 0.24199986 c 0.385 0.8690002 0.82500005 1.2980001 1.3310001 1.2980001 c 0.25300002 0 0.29699993 -0.17600012 0.29699993 -0.4510002 c 0 -0.16499996 -0.022000074 -0.35199976 -0.065999985 -0.54999995 l -1.0120001 -4.048 c -0.16499996 -0.62700003 -0.5389999 -1.408 -1.1989999 -1.408 c -0.143 0 -0.26400006 0.010999918 -0.374 0.04399991 c 0.25299996 0.12100005 0.385 0.319 0.385 0.58300006 c 0 0.27499998 -0.15399998 0.41799998 -0.451 0.41799998 c -0.352 0 -0.627 -0.30799997 -0.627 -0.65999997 c 0 -0.49500012 0.528 -0.7149999 1.067 -0.7149999 c 1.012 0 1.793 0.8469999 2.0019999 1.6829998 l 0.99 3.982 c 0.032999992 0.14299989 0.055000067 0.286 0.055000067 0.40699983 c 0 0.6160002 -0.41799998 1.0450001 -1.0339999 1.0450001 Z \"\/><\/symbol><\/defs><\/svg><\/span> et la vitesse <span style=\"display: inline-block\"><svg class=\"typst-frame\" style=\"overflow: visible; width: 0.49600000000000005em; height: 0.683em;\" viewBox=\"0 0 5.456 7.513000000000001\" width=\"5.456pt\" height=\"7.513000000000001pt\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xmlns:h5=\"http:\/\/www.w3.org\/1999\/xhtml\"><g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 0 7.513000000000001)\"><use xlink:href=\"#gA28FE5CE8B2FE3342A739D1534EE91FB\" x=\"0\" y=\"0\" fill=\"#000000\" fill-rule=\"nonzero\"\/><\/g><\/g><defs id=\"glyph\"><symbol id=\"gA28FE5CE8B2FE3342A739D1534EE91FB\" overflow=\"visible\"><path d=\"M 0 0m 4.059 4.301 c 0 -0.0880003 0.09899998 -0.23099995 0.2750001 -0.4510002 c 0.17599964 -0.22000003 0.26399994 -0.4729998 0.26399994 -0.7589998 c 0 -0.319 -0.15400028 -0.85800004 -0.47300005 -1.6170001 c -0.23099995 -0.528 -0.75900006 -1.276 -1.408 -1.276 c -0.50600004 0 -0.75900006 0.297 -0.75900006 0.902 c 0 0.42900002 0.20900011 1.1880001 0.6270001 2.277 c 0.08800006 0.23099995 0.13199997 0.41799998 0.13199997 0.54999995 c 0 0.5499997 -0.37400007 0.93499994 -0.924 0.93499994 c -0.48399997 0 -0.86899996 -0.2750001 -1.144 -0.8249998 c -0.22 -0.4510002 -0.32999998 -0.7370002 -0.32999998 -0.8800001 c 0 -0.09899998 0.055000007 -0.15400004 0.176 -0.15400004 c 0.143 0 0.16499996 0.065999985 0.20899999 0.22000003 c 0.25300002 0.8800001 0.605 1.3199997 1.056 1.3199997 c 0.143 0 0.22000003 -0.09899998 0.22000003 -0.3079996 c 0 -0.17600012 -0.055000067 -0.41800022 -0.176 -0.7370002 c -0.40700006 -1.089 -0.61600006 -1.826 -0.61600006 -2.2329998 c 0 -0.561 0.18700004 -0.946 0.561 -1.155 c 0.29700005 -0.154 0.60500014 -0.231 0.92400014 -0.231 c 0.97899985 0 1.661 1.056 1.9469998 1.903 c 0.35200024 1.034 0.5279999 1.7930001 0.5279999 2.277 c 0 0.53900003 -0.17599964 0.803 -0.5169997 0.803 c -0.2750001 0 -0.572 -0.28599977 -0.572 -0.5609999 Z \"\/><\/symbol><\/defs><\/svg><\/span> d\u2019un \u00e9lectron ?\n  <\/li>\n<li>\n    \u00c0 quelle densit\u00e9 particulaire <span style=\"display: inline-block\"><svg class=\"typst-frame\" style=\"overflow: visible; width: 0.6em; height: 0.683em;\" viewBox=\"0 0 6.6 7.513000000000001\" width=\"6.6pt\" height=\"7.513000000000001pt\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xmlns:h5=\"http:\/\/www.w3.org\/1999\/xhtml\"><g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 0 7.513000000000001)\"><use xlink:href=\"#gE2B7E3D264F2F7FB4E5DAE10F9857908\" x=\"0\" y=\"0\" fill=\"#000000\" fill-rule=\"nonzero\"\/><\/g><\/g><defs id=\"glyph\"><symbol id=\"gE2B7E3D264F2F7FB4E5DAE10F9857908\" overflow=\"visible\"><path d=\"M 0 0m 5.907 1.507 c -0.25300026 -0.86899996 -0.6160002 -1.309 -1.0669999 -1.309 c -0.14300013 0 -0.22000027 0.11 -0.22000027 0.319 c 0 0.15399998 0.065999985 0.407 0.19799995 0.74799997 c 0.44000006 1.199 0.6600003 1.991 0.6600003 2.3979998 c 0 0.7700002 -0.5170002 1.1990001 -1.2870002 1.1990001 c -0.6489999 0 -1.21 -0.28599977 -1.661 -0.86899996 c -0.08800006 0.48399973 -0.47300005 0.86899996 -1.0339999 0.86899996 c -0.61600006 0 -0.85800004 -0.572 -1.0120001 -1.0669999 c -0.109999985 -0.352 -0.16499999 -0.5610001 -0.16499999 -0.638 c 0 -0.09899998 0.055000007 -0.15400004 0.176 -0.15400004 c 0.055000007 0 0.088 0.010999918 0.12099999 0.032999992 c 0.055000007 0.09899998 0.088 0.17599988 0.09899998 0.25300002 c 0.19800001 0.83599997 0.45100003 1.2539997 0.74799997 1.2539997 c 0.19800007 0 0.29700005 -0.1539998 0.29700005 -0.4619999 c 0 -0.14299989 -0.054999948 -0.43999982 -0.176 -0.8909998 l -0.627 -2.497 c -0.032999992 -0.143 -0.09900004 -0.42900002 -0.09900004 -0.48400003 c 0 -0.22 0.12099999 -0.32999998 0.36299998 -0.32999998 c 0.20899999 0 0.36300004 0.11 0.44000006 0.32999998 c 0.021999955 0.055000007 0.08799994 0.32999998 0.20899999 0.803 l 0.23100007 0.979 l 0.32999992 1.254 c 0.12100005 0.25300002 0.3080001 0.50600004 0.53900003 0.77 c 0.319 0.35200024 0.7149999 0.5279999 1.188 0.5279999 c 0.36299992 0 0.53900003 -0.24199963 0.53900003 -0.7149997 c 0 -0.41799998 -0.23099995 -1.2540002 -0.704 -2.5080001 c -0.07700014 -0.19799995 -0.11000013 -0.36299992 -0.11000013 -0.5059999 c 0 -0.53900003 0.40700006 -0.935 0.93499994 -0.935 c 0.4840002 0 0.86899996 0.275 1.144 0.825 c 0.20900011 0.44000006 0.31900024 0.737 0.31900024 0.88 c 0 0.09899998 -0.055000305 0.15400004 -0.17600012 0.15400004 c -0.032999992 0 -0.19799995 -0.0990001 -0.19799995 -0.23100007 Z \"\/><\/symbol><\/defs><\/svg><\/span> correspond un seul \u00e9lectron dans un conducteur de longueur <span style=\"display: inline-block\"><svg class=\"typst-frame\" style=\"overflow: visible; width: 0.298em; height: 0.683em;\" viewBox=\"0 0 3.278 7.513000000000001\" width=\"3.278pt\" height=\"7.513000000000001pt\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xmlns:h5=\"http:\/\/www.w3.org\/1999\/xhtml\"><g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 0 7.513000000000001)\"><use xlink:href=\"#g13DA7EA1F17BA5231363042234A7B0C5\" x=\"0\" y=\"0\" fill=\"#000000\" fill-rule=\"nonzero\"\/><\/g><\/g><defs id=\"glyph\"><symbol id=\"g13DA7EA1F17BA5231363042234A7B0C5\" overflow=\"visible\"><path d=\"M 0 0m 1.903 6.952 l -1.3640001 -5.643 c -0.032999992 -0.15400004 -0.054999977 -0.286 -0.054999977 -0.385 c 0 -0.58300006 0.429 -1.0450001 1.0120001 -1.0450001 c 0.53900003 0 0.924 0.572 1.155 1.7160001 c 0 0.09899998 -0.055000067 0.15399992 -0.17600012 0.15399992 c -0.08799982 0 -0.1539998 -0.07700002 -0.1869998 -0.23099995 c -0.22000003 -0.869 -0.47300017 -1.309 -0.7700001 -1.309 c -0.18700004 0 -0.27499998 0.15400001 -0.27499998 0.45099998 c 0 0.16500002 0.021999955 0.34100008 0.065999985 0.5170001 l 1.529 6.292 v 0.04400015 c -0.032999992 0.07700014 -0.09899998 0.12099981 -0.17600012 0.12099981 c -0.352 0 -1.1659999 -0.09899998 -1.298 -0.10999966 c -0.16499996 -0.022000313 -0.24199998 -0.11000013 -0.24199998 -0.2750001 c 0 -0.09899998 0.09899998 -0.15400028 0.30799997 -0.15400028 c 0.18700004 0 0.47300005 0 0.47300005 -0.14299965 Z \"\/><\/symbol><\/defs><\/svg><\/span> et de section <span style=\"display: inline-block\"><svg class=\"typst-frame\" style=\"overflow: visible; width: 0.673em; height: 0.683em;\" viewBox=\"0 0 7.4030000000000005 7.513000000000001\" width=\"7.4030000000000005pt\" height=\"7.513000000000001pt\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xmlns:h5=\"http:\/\/www.w3.org\/1999\/xhtml\"><g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 0 7.513000000000001)\"><use xlink:href=\"#gFC5A7ED49102010BD79DA3F8B8890E0A\" x=\"0\" y=\"0\" fill=\"#000000\" fill-rule=\"nonzero\"\/><\/g><\/g><defs id=\"glyph\"><symbol id=\"gFC5A7ED49102010BD79DA3F8B8890E0A\" overflow=\"visible\"><path d=\"M 0 0m 1.4629999 1.727 c 0 0.26399994 0.03300011 0.48399997 0.08800006 0.6600001 c 0 0.109999895 -0.054999948 0.16499996 -0.176 0.16499996 c -0.055000067 0 -0.09899998 -0.022000074 -0.12100005 -0.04400015 c -0.054999948 -0.05499983 -0.6819999 -2.4199998 -0.6819999 -2.596 c 0 -0.09900001 0.054999948 -0.154 0.16499996 -0.154 c 0.055000007 0 0.13200003 0.054999992 0.231 0.176 l 0.49499995 0.583 c 0.3850001 -0.50600004 1.001 -0.759 1.837 -0.759 c 0.7260001 0 1.3640001 0.297 1.9360001 0.88 c 0.572 0.58299994 0.8579998 1.232 0.8579998 1.958 c 0 0.51699996 -0.17600012 0.957 -0.53900003 1.309 c -0.16499996 0.14299989 -0.38499975 0.26400018 -0.65999985 0.36300015 c -0.25299978 0.05499983 -0.4949999 0.12099981 -0.737 0.1869998 l -0.7260001 0.19799995 c -0.36299992 0.09899998 -0.638 0.50600004 -0.638 0.9460001 c 0 0.47300005 0.18700004 0.8800001 0.572 1.2319999 c 0.385 0.35200024 0.8139999 0.5279999 1.287 0.5279999 c 1.0120001 0 1.5180001 -0.5499997 1.5180001 -1.6389999 c 0 -0.19799995 -0.04400015 -0.41799974 -0.04400015 -0.605 v -0.032999992 c 0.032999992 -0.076999664 0.0880003 -0.12099981 0.17600012 -0.12099981 c 0.09899998 0 0.16499996 0.08799982 0.20900011 0.25299978 l 0.5829997 2.387 c 0 0.09899998 -0.05499983 0.15400028 -0.16499996 0.15400028 c -0.05499983 0 -0.13199997 -0.055000305 -0.23099995 -0.17600012 l -0.47300005 -0.572 c -0.3080001 0.4949999 -0.8249998 0.74800014 -1.5619998 0.74800014 c -0.6930001 0 -1.3200002 -0.26399994 -1.8700001 -0.78100014 c -0.572 -0.5279999 -0.8579999 -1.1329999 -0.8579999 -1.8260002 c 0 -0.7919998 0.5170001 -1.4189997 1.166 -1.5949998 l 1.155 -0.29699993 c 0.59399986 -0.16499996 0.96799994 -0.37400007 0.96799994 -1.1110001 c 0 -0.50600004 -0.19799995 -0.957 -0.5829997 -1.3529999 c -0.38500023 -0.396 -0.8250003 -0.605 -1.3200002 -0.605 c -1.0780001 0 -1.8590001 0.47299996 -1.8590001 1.54 Z \"\/><\/symbol><\/defs><\/svg><\/span> ?\n  <\/li>\n<\/ul>\n<\/li>\n<li>\n<ul>\n<\/ul>\n<\/li>\n<li>\n<ul>\n<\/ul>\n<\/li>\n<li>\n<ul>\n<li>\n    Quel lien existe-t-il entre un instant <span style=\"display: inline-block\"><svg class=\"typst-frame\" style=\"overflow: visible; width: 0.361em; height: 0.683em;\" viewBox=\"0 0 3.971 7.513000000000001\" width=\"3.971pt\" height=\"7.513000000000001pt\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xmlns:h5=\"http:\/\/www.w3.org\/1999\/xhtml\"><g><g class=\"typst-text\" transform=\"matrix(1 0 0 -1 0 7.513000000000001)\"><use xlink:href=\"#g2EC5FD748B0BAD26277A02643D0FB967\" x=\"0\" y=\"0\" fill=\"#000000\" fill-rule=\"nonzero\"\/><\/g><\/g><defs id=\"glyph\"><symbol id=\"g2EC5FD748B0BAD26277A02643D0FB967\" overflow=\"visible\"><path d=\"M 0 0m 3.6299999 4.609 c 0 0.09899998 -0.109999895 0.1539998 -0.34099984 0.1539998 h -0.89100003 c 0.286 1.144 0.4289999 1.7379999 0.4289999 1.7820001 c 0 0.23099995 -0.12099981 0.34100008 -0.352 0.34100008 c -0.25300002 0 -0.40699983 -0.14300013 -0.4729998 -0.42900038 l -0.40700006 -1.6939998 h -0.97900003 c -0.24199998 0 -0.363 -0.011000156 -0.363 -0.2420001 c 0 -0.12099981 0.110000014 -0.17600012 0.341 -0.17600012 h 0.89100003 c -0.53900003 -2.1449997 -0.80300003 -3.2779999 -0.80300003 -3.4209998 c 0 -0.61600006 0.41800004 -1.0450001 1.0339999 -1.0450001 c 0.4180001 0 0.781 0.187 1.1 0.572 c 0.26399994 0.31899998 0.45099998 0.627 0.572 0.924 c 0.04399991 0.12100005 0.065999985 0.18700004 0.065999985 0.22000003 c 0 0.09899998 -0.055000067 0.15399992 -0.16499996 0.15399992 c -0.08800006 0 -0.15400004 -0.054999948 -0.19799995 -0.176 c -0.37400007 -0.913 -0.82500005 -1.364 -1.3640001 -1.364 c -0.18700004 0 -0.286 0.15400001 -0.286 0.45099998 c 0 0.16500002 0.021999955 0.34100008 0.065999985 0.5170001 l 0.78100014 3.1679997 h 0.97899985 c 0.286 0 0.36299992 0.022000313 0.36299992 0.26400042 Z \"\/><\/symbol><\/defs><\/svg><\/span> et l\u2019indice <code>i<\/code> correspondant ?\n  <\/li>\n<li>\n    On peut utiliser le <em>slincing<\/em> : <code>I[i:]<\/code> renvoie un array numpy contenant les valeurs de <code>I<\/code> \u00e0 partir de l\u2019indice <code>i<\/code> jusqu\u2019\u00e0 la fin.\n  <\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h5>Exercice 8<\/h5>\n<ol>\n<li>\n<ul>\n<\/ul>\n<\/li>\n<\/ol><\/div>\n","protected":false},"excerpt":{"rendered":"<p>T\u00e9l\u00e9chargements Polycopi\u00e9 Flashcards Anki Coups de pouce Laisser la souris\/taper sur le texte pour l&rsquo;afficher. Exercice 1 Le courant va des potentiels les plus \u00e9lev\u00e9s vers les potentiels les moins \u00e9lev\u00e9s. Laquelle des hypoth\u00e8ses de l\u2019\u00e9nonc\u00e9 implique-t-elle que le r\u00e9gime&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.cpge-brizeux.fr\/wordpress\/psi\/physchim-psi-2526\/phenomenes-de-transport-1-transport-de-charge-2.html\">Read more &rarr;<\/a><\/p>\n","protected":false},"author":26,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[430],"tags":[],"class_list":["post-37446","post","type-post","status-publish","format-standard","hentry","category-physchim-psi-2526"],"_links":{"self":[{"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/posts\/37446","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/comments?post=37446"}],"version-history":[{"count":2,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/posts\/37446\/revisions"}],"predecessor-version":[{"id":37497,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/posts\/37446\/revisions\/37497"}],"wp:attachment":[{"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/media?parent=37446"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/categories?post=37446"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/tags?post=37446"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}