{"id":81006,"date":"2024-01-14T13:04:57","date_gmt":"2024-01-14T13:04:57","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/methodes-de-production-de-tension-generation-de-potentiel-electrique\/"},"modified":"2024-01-20T17:51:26","modified_gmt":"2024-01-20T17:51:26","slug":"methodes-de-production-de-tension-generation-de-potentiel-electrique","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/fr\/methodes-de-production-de-tension-generation-de-potentiel-electrique\/","title":{"rendered":"M\u00e9thodes de production de tension &#8211; G\u00e9n\u00e9ration de potentiel \u00e9lectrique"},"content":{"rendered":"<h2>Production de Tension &#8211; G\u00e9n\u00e9ration de Potentiel \u00c9lectrique<\/h2>\n<p>En physique, la tension, not\u00e9e V, est la diff\u00e9rence de potentiel \u00e9lectrique entre deux points. Elle est d\u00e9finie comme la quantit\u00e9 d&rsquo;\u00e9nergie de travail n\u00e9cessaire pour d\u00e9placer une unit\u00e9 de charge \u00e9lectrique d&rsquo;un point de r\u00e9f\u00e9rence (a) \u00e0 un point sp\u00e9cifique (b) dans un champ \u00e9lectrique. La formule est \u0394V = V<sub>a<\/sub> &#8211; V<sub>b<\/sub>. Dans le Syst\u00e8me International d&rsquo;Unit\u00e9s (SI), le potentiel \u00e9lectrique est exprim\u00e9 en joules par coulomb (J\u22c5C<sup>-1<\/sup>), ou en volts (V).<\/p>\n<h2>M\u00e9thodes de Production de Tension<\/h2>\n<p>Le potentiel \u00e9lectrique, ou la tension, peut \u00eatre produit par les m\u00e9thodes suivantes:<\/p>\n<h3>\u00c9lectricit\u00e9 Statique<\/h3>\n<p>L&rsquo;\u00e9lectricit\u00e9 statique que nous rencontrons quotidiennement est principalement caus\u00e9e par l&rsquo;effet tribo\u00e9lectrique. Le chargement d&rsquo;un objet solide par frottement peut s&rsquo;expliquer par le transfert d&rsquo;\u00e9lectrons d&rsquo;un objet \u00e0 l&rsquo;autre. Cela peut facilement \u00eatre produit en frottant deux mat\u00e9riaux diff\u00e9rents ensemble, comme l&rsquo;ambre avec de la fourrure ou du verre avec de la soie.<\/p>\n<h3>\u00c9lectrochimie<\/h3>\n<p>La combinaison de produits chimiques avec certains m\u00e9taux peut provoquer une r\u00e9action chimique qui transf\u00e8re les \u00e9lectrons pour produire de l&rsquo;\u00e9nergie \u00e9lectrique.<\/p>\n<h3>Induction Magn\u00e9tique<\/h3>\n<p>La rotation de bobines de fil \u00e0 travers un champ magn\u00e9tique stationnaire ou en faisant tourner un champ magn\u00e9tique \u00e0 travers une bobine de fil stationnaire produit un potentiel \u00e9lectrique.<\/p>\n<h3>Effet Pi\u00e9zo\u00e9lectrique<\/h3>\n<p>Le pliage ou la torsion de certains mat\u00e9riaux provoque la sortie des \u00e9lectrons de leur orbite dans la direction de la force. Lorsque la force est rel\u00e2ch\u00e9e, les \u00e9lectrons retournent \u00e0 leur orbite originale.<\/p>\n<h3>Thermo\u00e9lectricit\u00e9<\/h3>\n<p>Le chauffage de deux mat\u00e9riaux dissemblables joints provoque un transfert d&rsquo;\u00e9lectrons entre les mat\u00e9riaux, cr\u00e9ant un flux de courant.<\/p>\n<h3>Effet Photo\u00e9lectrique<\/h3>\n<p>L&rsquo;effet photo\u00e9lectrique est l&rsquo;\u00e9mission de photo\u00e9lectrons d&rsquo;une mati\u00e8re lorsqu&rsquo;un rayonnement \u00e9lectromagn\u00e9tique (photons) frappe sa surface.<\/p>\n<h3>\u00c9mission Thermionique<\/h3>\n<p>Lib\u00e9rer des \u00e9lectrons d&rsquo;une surface chaude provoque leur \u00e9vasion, cr\u00e9ant un flux d&rsquo;\u00e9lectrons.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png\" alt=\"Methods of producing voltage - Electric potential generation\" \/><\/p>\n<div style=\"text-align: center; font-size: 20px;\">\n    <a href=\"https:\/\/www.electricity-magnetism.org\/voltage\/methods-of-producing-voltage-electric-potential-generation\/\">Original Article<\/a>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La tension, ou le potentiel \u00e9lectrique, peut \u00eatre produite par les m\u00e9thodes suivantes : induction magn\u00e9tique, effet pi\u00e9zo\u00e9lectrique, effet thermo\u00e9lectrique, etc.<\/p>\n","protected":false},"author":1,"featured_media":1576,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[10],"tags":[],"class_list":["post-81006","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classifiee","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - 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