{"id":29381,"date":"2023-03-05T12:07:12","date_gmt":"2023-03-05T10:07:12","guid":{"rendered":"https:\/\/www.cpge-brizeux.fr\/wordpress\/?p=29381"},"modified":"2023-03-05T12:11:26","modified_gmt":"2023-03-05T10:11:26","slug":"semaine-21-du-27-02-au-03-03","status":"publish","type":"post","link":"https:\/\/www.cpge-brizeux.fr\/wordpress\/pc\/physique-pc-2223\/semaine-21-du-27-02-au-03-03.html","title":{"rendered":"Semaine 21 : du 27\/02 au 03\/03"},"content":{"rendered":"<div style=\"border: 2px solid; border-radius: 6px; color: #dc143c; padding-top: 1px; padding-bottom: 1px; padding-left: 20px; margin: 1px;\">\n<p><b><big><span style=\"color: #dc143c;\">Programme de colles de la semaine 22 du 06\/03 au 10\/03<br \/>\n<\/span><\/big><\/b><\/p>\n<p><span style=\"color: #000000;\">&#8211; <strong>Induction \u00e9lectromagn\u00e9tique<\/strong> : r\u00e9visions de premi\u00e8re ann\u00e9e (exercices)<\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; <strong>\u00c9lectromagn\u00e9tisme 3<\/strong> : Magn\u00e9tostatique (cours et exercices) \u2192 <a style=\"color: #000000;\" href=\"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-content\/uploads\/EM3_plan-1.pdf\">EM3_plan<\/a><\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; <strong>\u00c9lectromagn\u00e9tisme 4<\/strong> : \u00c9quations de Maxwell (cours et exercices) \u2192 <a style=\"color: #000000;\" href=\"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-content\/uploads\/EM4_plan-1.pdf\">EM4_plan<\/a><\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; <strong>Ondes 1 :<\/strong> Ondes m\u00e9caniques unidimensionnelles dans les solides d\u00e9formables (cours seulement, uniquement sur les questions ci-dessous) \u2192 <a style=\"color: #000000;\" href=\"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-content\/uploads\/Od1_plan-1.pdf\">Od1_plan<\/a><\/span><\/p>\n<p><span style=\"color: #000000;\">______<\/span><\/p>\n<p><span style=\"color: #000000;\">Suggestions de questions de cours :<br \/>\n<\/span><\/p>\n<ul>\n<li><span style=\"color: #000000;\">EM3 : Citer les \u00e9quations postulats de la magn\u00e9tostatique (sous forme locale) et d\u00e9montrer les formes int\u00e9grales<br \/>\n<\/span><\/li>\n<li><span style=\"color: #000000;\">EM3 : Analyser une carte de champ fournie.<\/span><\/li>\n<li><span style=\"color: #000000;\">EM3 : \u00c9tablir l&rsquo;expression du champ magn\u00e9tostatique cr\u00e9\u00e9 en tout point de l&rsquo;espace par une des distributions de courant \u00ab\u00a0classiques\u00a0\u00bb suivantes : fil, c\u00e2ble.<br \/>\n<\/span><\/li>\n<li><span style=\"color: #000000;\">EM3 : \u00c9tablir l&rsquo;expression du champ magn\u00e9tostatique cr\u00e9\u00e9 \u00e0 l&rsquo;int\u00e9rieur d&rsquo;un sol\u00e9no\u00efde long en n\u00e9gligeant les effets de bord (en admettant que le champ ext\u00e9rieur soit nul). \u00c9tablir ensuite les expressions de l&rsquo;inductance propre et de l&rsquo;\u00e9nergie de la bobine ainsi mod\u00e9lis\u00e9e.<\/span><\/li>\n<li><span style=\"color: #000000;\">EM3 : Pour l&rsquo;atome d&rsquo;hydrog\u00e8ne, dans une approche \u00ab\u00a0classique\u00a0\u00bb, \u00e9tablir le lien entre moment cin\u00e9tique de l&rsquo;\u00e9lectron et moment magn\u00e9tique de l&rsquo;atome.<\/span><\/li>\n<li><span style=\"color: #000000;\">EM3 : Retrouver l&rsquo;expression du magn\u00e9ton de Bohr par analyse dimensionnelle.<\/span><\/li>\n<li><span style=\"color: #000000;\">EM4 : Citer les \u00e9quations de Maxwell, et \u00e9tablir \u00e0 partir d&rsquo;elles l&rsquo;\u00e9quation de conservation de la charge.<\/span><\/li>\n<li><span style=\"color: #000000;\">EM4 : \u00c9crire les \u00e9quations de Maxwell et d\u00e9montrer les formes int\u00e9grales.<\/span><\/li>\n<li><span style=\"color: #000000;\">EM4 : Aspect \u00e9nerg\u00e9tique : \u00e9tablir l&rsquo;\u00e9quation locale de Poynting en faisant appara\u00eetre le vecteur de Poynting et la densit\u00e9 volumique d&rsquo;\u00e9nergie \u00e9lectromagn\u00e9tique. Donner une interpr\u00e9tation du vecteur de Poynting.<\/span><\/li>\n<li><span style=\"color: #000000;\">EM4 : \u00c9tablir les \u00e9quations de propagation des champs E et B dans le vide et interpr\u00e9ter la signification de c.<\/span><\/li>\n<li><span style=\"color: #000000;\">EM4 : Par une analyse en ODG, d\u00e9terminer comment se simplifie l&rsquo;\u00e9quation de Maxwell-Amp\u00e8re dans l&rsquo;ARQS \u00ab\u00a0magn\u00e9tique\u00a0\u00bb.<\/span><\/li>\n<li><span style=\"color: #000000;\">Od1 : \u00c9tablir l&rsquo;\u00e9quation d&rsquo;onde pour des ondes transversales sur une corde vibrante (hypoth\u00e8ses et approximations \u00e0 citer)<\/span><\/li>\n<li><span style=\"color: #000000;\">Od1 : A l&rsquo;aide d&rsquo;un mod\u00e8le simple de solide (r\u00e9seau cubique d&rsquo;atomes reli\u00e9s par des ressorts), \u00e9tablir l&rsquo;expression du module d&rsquo;Young en fonction de la constante de raideur k et de la distance inter-atomique a : Y=k\/a.<\/span><\/li>\n<li><span style=\"color: #000000;\">Od1 : \u00c9tablir l&rsquo;\u00e9quation d&rsquo;onde pour des ondes longitudinales dans une tige solide (hypoth\u00e8ses et approximations \u00e0 citer)<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">______<\/span><\/p>\n<p><span style=\"color: #000000;\">A l&rsquo;attention des \u00e9tudiants : <\/span><span style=\"color: #000000;\">pour mercredi : EM4 finir ex 2, bien travailler ex 3 (et pour les r\u00e9visions d&rsquo;induction : ex 6 et 7)<br \/>\n<\/span><\/p>\n<\/div>\n<div style=\"border: 2px solid; border-radius: 6px; color: #800080; padding-top: 1px; padding-bottom: 1px; padding-left: 20px; margin: 1px;\">\n<p><span style=\"font-size: 14pt;\"><strong><span style=\"color: #800080;\">Travaux pratiques<\/span><br \/>\n<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">TP Michelson n\u00b02<br \/>\n<\/span><\/p>\n<\/div>\n<div style=\"border: 2px solid; border-radius: 6px; color: #00008b; padding-top: 1px; padding-bottom: 1px; padding-left: 20px; margin: 1px;\">\n<p><span style=\"font-size: 14pt;\"><strong>Cours<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">\u00c9lectromagn\u00e9tisme 4 : \u00c9quations de Maxwell (\u2192 fin)<\/span><\/p>\n<p><span style=\"color: #000000;\">Ondes 1 : Ondes m\u00e9caniques unidimensionnelles dans les solides d\u00e9formables (\u2192 II.2)<\/span><\/p>\n<p><span style=\"color: #000000;\">Pour compl\u00e9ter les chapitres :<\/span><\/p>\n<p>&#8211; Simulation des ondes transversales sur une corde :<\/p>\n<p><a href=\"https:\/\/phet.colorado.edu\/sims\/html\/wave-on-a-string\/latest\/wave-on-a-string_fr.html\">https:\/\/phet.colorado.edu\/sims\/html\/wave-on-a-string\/latest\/wave-on-a-string_fr.html<\/a><\/p>\n<p>&#8211; tr\u00e8s bonne vid\u00e9o de David Louapre (\u00ab\u00a0science \u00e9tonnante\u00a0\u00bb) sur la structure interne de la Terre (dur\u00e9e 15 min ; <strong>s\u00e9ismes \u00e0 partir de 11 min, \u00e0 regarder !<\/strong>)<\/p>\n<p><iframe loading=\"lazy\" title=\"Voyage au centre de la Terre\" width=\"593\" height=\"334\" src=\"https:\/\/www.youtube.com\/embed\/muWrmfXpivY?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<\/div>\n<div style=\"border: 2px solid; border-radius: 6px; color: #00008b; padding-top: 1px; padding-bottom: 1px; padding-left: 20px; margin: 1px;\">\n<p><span style=\"font-size: 14pt;\"><strong>Travail \u00e0 faire<br \/>\n<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">Pour mercredi : EM3 travailler ex 1, 2, 7, 8<br \/>\n<\/span><\/p>\n<p><span style=\"color: #000000;\">Pour jeudi : EM4 ex 1<br \/>\n<\/span><\/p>\n<p><span style=\"color: #000000;\">Pour vendredi : EM4 ex 4 et 5<br \/>\n<\/span><\/p>\n<\/div>\n<div style=\"border: 2px solid; border-radius: 6px; color: #2e8b57; padding-top: 1px; padding-bottom: 1px; padding-left: 20px; margin: 1px;\">\n<p><b><big><span style=\"color: #2e8b57;\">Travaux dirig\u00e9s<br \/>\n<\/span><\/big><\/b><\/p>\n<p><span style=\"color: #000000;\">TD EM4<br \/>\n<\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Programme de colles de la semaine 22 du 06\/03 au 10\/03 &#8211; Induction \u00e9lectromagn\u00e9tique : r\u00e9visions de premi\u00e8re ann\u00e9e (exercices) &#8211; \u00c9lectromagn\u00e9tisme 3 : Magn\u00e9tostatique (cours et exercices) \u2192 EM3_plan &#8211; \u00c9lectromagn\u00e9tisme 4 : \u00c9quations de Maxwell (cours et exercices)&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.cpge-brizeux.fr\/wordpress\/pc\/physique-pc-2223\/semaine-21-du-27-02-au-03-03.html\">Read more &rarr;<\/a><\/p>\n","protected":false},"author":28,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[336],"tags":[],"class_list":["post-29381","post","type-post","status-publish","format-standard","hentry","category-physique-pc-2223"],"_links":{"self":[{"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/posts\/29381","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\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/comments?post=29381"}],"version-history":[{"count":4,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/posts\/29381\/revisions"}],"predecessor-version":[{"id":29386,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/posts\/29381\/revisions\/29386"}],"wp:attachment":[{"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/media?parent=29381"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/categories?post=29381"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/tags?post=29381"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}