{"id":29226,"date":"2023-02-04T20:16:28","date_gmt":"2023-02-04T18:16:28","guid":{"rendered":"https:\/\/www.cpge-brizeux.fr\/wordpress\/?p=29226"},"modified":"2023-02-05T19:36:44","modified_gmt":"2023-02-05T17:36:44","slug":"semaine-19-du-30-01-au-03-02","status":"publish","type":"post","link":"https:\/\/www.cpge-brizeux.fr\/wordpress\/pc\/physique-pc-2223\/semaine-19-du-30-01-au-03-02.html","title":{"rendered":"Semaine 19 : du 30\/01 au 03\/02"},"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 20 du 06\/02 au 10\/02<br \/>\n<\/span><\/big><\/b><\/p>\n<p><span style=\"color: #000000;\">&#8211; R\u00e9visions du chapitre de m\u00e9canique de PCSI \u00ab\u00a0Mouvement d&rsquo;une particule charg\u00e9e dans un champ \u00e9lectrique ou magn\u00e9tique\u00a0\u00bb (exercices)<br \/>\n<\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; <strong>\u00c9lectromagn\u00e9tisme 1<\/strong> : Sources du champ \u00e9lectromagn\u00e9tique (cours et exercices) \u2192 <a style=\"color: #000000;\" href=\"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-content\/uploads\/EM1_plan-1.pdf\">EM1_plan<\/a><\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; <strong>\u00c9lectromagn\u00e9tisme 2<\/strong> : \u00c9lectrostatique (cours et exercices) \u2192 <a href=\"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-content\/uploads\/EM2_plan-1.pdf\">EM2_plan<\/a><br \/>\n<\/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;\">EM1 &#8211; \u00c9tablir l&rsquo;\u00e9quation de conservation de la charge (\u00e0 1D, en g\u00e9om\u00e9trie cart\u00e9sienne). Citer sa g\u00e9n\u00e9ralisation en g\u00e9om\u00e9trie quelconque, \u00e0 3D.<\/span><\/li>\n<li><span style=\"color: #000000;\">EM1 &#8211; Mod\u00e8le de Drude : citer les hypoth\u00e8ses et d\u00e9montrer, \u00e0 partir du mod\u00e8le, la loi d&rsquo;Ohm locale en explicitant l&rsquo;expression de la conductivit\u00e9.<\/span><\/li>\n<li><span style=\"color: #000000;\">EM1 &#8211; \u00c9tablir l&rsquo;expression de la r\u00e9sistance d&rsquo;une portion de conducteur filiforme.<\/span><\/li>\n<li><span style=\"color: #000000;\">EM2 : Citer les \u00e9quations postulats de l&rsquo;\u00e9lectrostatique (sous forme locale) et d\u00e9montrer les formes int\u00e9grales<\/span><\/li>\n<li><span style=\"color: #000000;\">EM2 : Analyser une carte de champ fournie<\/span><\/li>\n<li><span style=\"color: #000000;\">EM2 : \u00c9tablir l&rsquo;expression du champ \u00e9lectrostatique cr\u00e9\u00e9 en tout point de l&rsquo;espace par un plan infini puis par un condensateur plan en n\u00e9gligeant les effets de bord. Bonus : en d\u00e9duire l&rsquo;expression de sa capacit\u00e9.<\/span><\/li>\n<li><span style=\"color: #000000;\">EM2 : \u00c9tablir l&rsquo;expression du champ \u00e9lectrostatique cr\u00e9\u00e9 en tout point de l&rsquo;espace par une des distributions \u00ab\u00a0classiques\u00a0\u00bb suivantes : boule ou sph\u00e8re \/ cylindre plein ou creux uniform\u00e9ment charg\u00e9s.<\/span><\/li>\n<li><span style=\"color: #000000;\">EM2 : Mod\u00e8le de noyau atomique : \u00e9tablir <span dir=\"ltr\" role=\"presentation\">\u00e9nergie de constitution du noyau en construisant le noyau par adjonction progressive <\/span><span dir=\"ltr\" role=\"presentation\">de charges apport\u00e9es de l\u2019infini (question plus difficile, pour \u00e9l\u00e8ves plus \u00e0 l&rsquo;aise)<\/span><\/span><\/li>\n<li><span style=\"color: #000000;\">EM2 : Faire l&rsquo;analogie avec le champ gravitationnel, et d\u00e9terminer le champ gravitationnel cr\u00e9\u00e9 par un astre sph\u00e9rique plein, en tout point de l&rsquo;espace<\/span><\/li>\n<li><span style=\"color: #000000;\">EM2 : \u00c9tablir l&rsquo;expression du potentiel dans tout l&rsquo;espace associ\u00e9 \u00e0 un dip\u00f4le \u00e9lectrostatique. Tracer l&rsquo;allure des \u00e9quipotentielles et des lignes de champ.<\/span><\/li>\n<li><span style=\"color: #000000;\">EM2 : D\u00e9terminer la polarisabilit\u00e9 d&rsquo;un atome en utilisant le mod\u00e8le de Thomson<\/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><\/p>\n<p><span style=\"color: #000000;\">&#8211; pour mercredi 01\/02 : EM2 s&rsquo;entra\u00eener sur les exercices restants<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\u00b01<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 2 : \u00c9lectrostatique (\u2192 fin)<\/span><\/p>\n<p><span style=\"color: #000000;\">Pour compl\u00e9ter les chapitres :<\/span><\/p>\n<p>Simulations de champs dipolaires \u00e0 petite et grande distance (cliquer pour faire appara\u00eetre le champ E ; observer sa norme, sa direction et son orientation)<\/p>\n<p><a href=\"http:\/\/ressources.univ-lemans.fr\/AccesLibre\/UM\/Pedago\/physique\/02\/electri\/dipole1.html\">http:\/\/ressources.univ-lemans.fr\/AccesLibre\/UM\/Pedago\/physique\/02\/electri\/dipole1.html<\/a><\/p>\n<p><a href=\"http:\/\/ressources.univ-lemans.fr\/AccesLibre\/UM\/Pedago\/physique\/02\/electri\/dipolegd.html\">http:\/\/ressources.univ-lemans.fr\/AccesLibre\/UM\/Pedago\/physique\/02\/electri\/dipolegd.html<\/a><\/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 : EM2 ex 3, 4, 7<br \/>\n<\/span><\/p>\n<p><span style=\"color: #000000;\">Pour jeudi : EM2 ex 4, 10<br \/>\n<\/span><\/p>\n<p><span style=\"color: #000000;\">Pour vendredi : EM2 ex 15<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 EM2 suite<br \/>\n<\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Programme de colles de la semaine 20 du 06\/02 au 10\/02 &#8211; R\u00e9visions du chapitre de m\u00e9canique de PCSI \u00ab\u00a0Mouvement d&rsquo;une particule charg\u00e9e dans un champ \u00e9lectrique ou magn\u00e9tique\u00a0\u00bb (exercices) &#8211; \u00c9lectromagn\u00e9tisme 1 : Sources du champ \u00e9lectromagn\u00e9tique (cours et&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.cpge-brizeux.fr\/wordpress\/pc\/physique-pc-2223\/semaine-19-du-30-01-au-03-02.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-29226","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\/29226","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=29226"}],"version-history":[{"count":7,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/posts\/29226\/revisions"}],"predecessor-version":[{"id":29233,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/posts\/29226\/revisions\/29233"}],"wp:attachment":[{"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/media?parent=29226"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/categories?post=29226"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/tags?post=29226"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}