{"id":40994,"date":"2024-07-23T20:00:17","date_gmt":"2024-07-23T18:00:17","guid":{"rendered":"https:\/\/www.linseis.com\/proprietes\/resistivite-et-conductivite-electriques\/"},"modified":"2024-12-13T08:05:31","modified_gmt":"2024-12-13T07:05:31","slug":"resistivite-et-conductivite-electriques","status":"publish","type":"page","link":"https:\/\/www.linseis.com\/fr\/proprietes\/resistivite-et-conductivite-electriques\/","title":{"rendered":"R\u00e9sistivit\u00e9 et conductivit\u00e9 \u00e9lectriques"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"40994\" class=\"elementor elementor-40994 elementor-18759\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a3549cf e-flex e-con-boxed e-con e-parent\" data-id=\"a3549cf\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ac41c94 elementor-widget elementor-widget-image\" data-id=\"ac41c94\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/\/linseis_scale-top-1.svg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a7b7feb e-con-full e-flex e-con e-child\" data-id=\"a7b7feb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6100945 e-con-full e-flex e-con e-child\" data-id=\"6100945\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cc1182c elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"cc1182c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:250}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\"><b>R\u00e9sistivit\u00e9 et conductivit\u00e9 \u00e9lectriques<\/b><\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6d91a43 e-con-full e-flex e-con e-child\" data-id=\"6d91a43\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9413374 elementor-widget elementor-widget-n-carousel\" data-id=\"9413374\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;carousel_items&quot;:[{&quot;slide_title&quot;:&quot;Produkt 1&quot;,&quot;_id&quot;:&quot;d6fbcdb&quot;}],&quot;slides_to_show&quot;:&quot;1&quot;,&quot;slides_to_scroll&quot;:&quot;2&quot;,&quot;autoplay_speed&quot;:2000,&quot;slides_to_show_tablet&quot;:&quot;1&quot;,&quot;slides_to_show_mobile&quot;:&quot;1&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;infinite&quot;:&quot;yes&quot;,&quot;speed&quot;:500,&quot;offset_sides&quot;:&quot;none&quot;,&quot;image_spacing_custom&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;image_spacing_custom_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;image_spacing_custom_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-carousel.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-carousel swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Carousel\" dir=\"ltr\">\n\t\t\t<div class=\"swiper-wrapper\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"1\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 sur 1\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-44441f5 e-flex e-con-boxed e-con e-child\" data-id=\"44441f5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-7f9e1eb e-con-full e-flex e-con e-child\" data-id=\"7f9e1eb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bd49001 elementor-widget__width-initial elementor-invisible elementor-widget elementor-widget-image\" data-id=\"bd49001\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Zeichenflaeche-1-Kopie-89-1024x1024.png\" class=\"attachment-large size-large wp-image-24350\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Zeichenflaeche-1-Kopie-89-1024x1024.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Zeichenflaeche-1-Kopie-89-300x300.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Zeichenflaeche-1-Kopie-89-150x150.png 150w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Zeichenflaeche-1-Kopie-89-768x768.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Zeichenflaeche-1-Kopie-89-1536x1536.png 1536w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Zeichenflaeche-1-Kopie-89-2048x2048.png 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b4a6800 elementor-widget elementor-widget-image\" data-id=\"b4a6800\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/\/linseis_scale-bottom-1.svg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7c8d6cc e-flex e-con-boxed e-con e-parent\" data-id=\"7c8d6cc\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d7b7522 e-flex e-con-boxed e-con e-parent\" data-id=\"d7b7522\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-449b6fd e-con-full e-flex e-con e-child\" data-id=\"449b6fd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-031217d elementor-invisible elementor-widget elementor-widget-wp-widget-bcn_widget\" data-id=\"031217d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"wp-widget-bcn_widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"breadcrumbs\" vocab=\"https:\/\/schema.org\/\" typeof=\"BreadcrumbList\"><span property=\"itemListElement\" typeof=\"ListItem\"><a property=\"item\" typeof=\"WebPage\" title=\"Aller \u00e0 Linseis.\" href=\"https:\/\/www.linseis.com\/fr\/\" class=\"home\" aria-current=\"page\"><span property=\"name\">Linseis<\/span><\/a><meta property=\"position\" content=\"1\"><\/span><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ed98f58 e-flex e-con-boxed e-con e-parent\" data-id=\"ed98f58\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-bbc47b3 e-con-full e-flex e-con e-child\" data-id=\"bbc47b3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-71a1ec4 elementor-widget elementor-widget-text-editor\" data-id=\"71a1ec4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Conductivit\u00e9 \u00e9lectrique &#8211; variable thermophysique mesur\u00e9e<\/h2><p>La <strong>conductivit\u00e9 \u00e9lectrique est une grandeur physique<\/strong> qui d\u00e9crit dans quelle mesure une substance conduit le courant \u00e9lectrique.<br \/>Elle permet de d\u00e9terminer si une <strong>substance convient comme isolant ou comme conducteur \u00e9lectrique<\/strong>.<br \/>Elle est \u00e9galement utilis\u00e9e pour identifier les substances.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-32d9053 elementor-widget elementor-widget-text-editor\" data-id=\"32d9053\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Le courant \u00e9lectrique est constitu\u00e9 de porteurs de charge en mouvement.<br \/>Il est provoqu\u00e9 par une diff\u00e9rence de tension entre deux p\u00f4les.<br \/>Le mat\u00e9riau entre les p\u00f4les d\u00e9pend de l&rsquo;ampleur du courant \u00e9lectrique circulant \u00e0 une tension donn\u00e9e.<\/p><p><strong>Le quotient du courant (I) et de la tension (U) est appel\u00e9 conductance \u00e9lectrique (G).<\/strong><\/p><p><strong>G=I\/U<\/strong><\/p><p>La <a href=\"https:\/\/www.linseis.com\/fr\/proprietes\/resistivite-et-conductivite-electriques\/\"><strong>conductivit\u00e9 \u00e9lectrique<\/strong><\/a> d\u00e9pend \u00e0 la fois des propri\u00e9t\u00e9s et des dimensions du mat\u00e9riau.<\/p><p>Plus la section transversale est grande et plus la distance entre les p\u00f4les est courte, plus le courant circule.<\/p><p>Pour les d\u00e9clarations g\u00e9n\u00e9rales sur le mat\u00e9riau, la d\u00e9pendance \u00e0 l&rsquo;\u00e9gard des dimensions doit \u00eatre exclue.<\/p><p>Pour ce faire, la conductance (G) est rapport\u00e9e \u00e0 la section transversale (A) et \u00e0 la distance (l).<br \/>On obtient ainsi la conductivit\u00e9 \u00e9lectrique (sigma) d&rsquo;une substance.<\/p><p><strong>Sigma=G*l\/A<\/strong><\/p><p>L&rsquo;unit\u00e9 de mesure de la conductivit\u00e9 \u00e9lectrique est le <strong>Siemens par m\u00e8tre [S \/ m].<\/strong><\/p><p>Le terme \u00ab\u00a0r\u00e9sistance \u00e9lectrique\u00a0\u00bb d\u00e9signe l&rsquo;inverse de la conductance. <strong>La r\u00e9sistance \u00e9lectrique sp\u00e9cifique est l&rsquo;inverse de la conductivit\u00e9.<\/strong><\/p><p>La mesure de la conductivit\u00e9 se fait indirectement en mesurant le courant qui s&rsquo;\u00e9tablit \u00e0 une tension donn\u00e9e dans des conditions d\u00e9finies.<\/p><p><a href=\"https:\/\/www.linseis.com\/fr\/produits\/\"><strong>Les instruments de mesure modernes<\/strong><\/a> fournissent la valeur directement en convertissant le courant d\u00e9termin\u00e9 \u00e0 l&rsquo;aide des constantes de l&rsquo;appareil.<\/p><p>Il ne faut pas oublier que la conductivit\u00e9 \u00e9lectrique d\u00e9pend de la temp\u00e9rature.<br \/>La relation entre les grandeurs \u00e9lectriques et la temp\u00e9rature est \u00e9tudi\u00e9e plus en d\u00e9tail dans le domaine de la thermo\u00e9lectricit\u00e9.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3473d73 e-flex e-con-boxed elementor-invisible e-con e-parent\" data-id=\"3473d73\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInUp&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-11f930b elementor-widget elementor-widget-image\" data-id=\"11f930b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"382\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Elektrische-Leitfaehigkeit-Titelbild-1024x489.png\" class=\"attachment-large size-large wp-image-18708\" alt=\"Elektrische Leitf\u00e4higkeit\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Elektrische-Leitfaehigkeit-Titelbild-1024x489.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Elektrische-Leitfaehigkeit-Titelbild-300x143.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Elektrische-Leitfaehigkeit-Titelbild-768x366.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Elektrische-Leitfaehigkeit-Titelbild-1536x733.png 1536w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Elektrische-Leitfaehigkeit-Titelbild.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-50adb82 e-flex e-con-boxed e-con e-parent\" data-id=\"50adb82\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-cad4e8f e-con-full e-flex e-con e-child\" data-id=\"cad4e8f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b17a273 elementor-widget elementor-widget-shortcode\" data-id=\"b17a273\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><script type=\"application\/ld+json\">{  \"@context\": \"https:\/\/schema.org\",  \"@type\": \"FAQPage\",  \"mainEntity\": {    \"@type\": \"Question\",    \"name\": \"Wie funktioniert elektrische Leitf\u00e4higkeit?\",    \"acceptedAnswer\": {      \"@type\": \"Answer\",      \"text\": \"Der elektrische Strom besteht aus bewegten Ladungstr\u00e4gern. Er wird durch einen Spannungsunterschied zwischen zwei Polen verursacht. Vom Material zwischen den Polen h\u00e4ngt die St\u00e4rke des elektrischen Stroms ab, der bei einer gegebenen Spannung flie\u00dft. Der Quotient aus Stromst\u00e4rke (I) und Spannung (U) wird als elektrischer Leitwert (G) bezeichnet.\"    }  }}<\/script><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>R\u00e9sistivit\u00e9 et conductivit\u00e9 \u00e9lectriques Conductivit\u00e9 \u00e9lectrique &#8211; variable thermophysique mesur\u00e9e La conductivit\u00e9 \u00e9lectrique est une grandeur physique qui d\u00e9crit dans quelle mesure une substance conduit le courant \u00e9lectrique.Elle permet de d\u00e9terminer si une substance convient comme isolant ou comme conducteur \u00e9lectrique.Elle est \u00e9galement utilis\u00e9e pour identifier les substances. Le courant \u00e9lectrique est constitu\u00e9 de porteurs [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":40990,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-40994","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/pages\/40994","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/comments?post=40994"}],"version-history":[{"count":0,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/pages\/40994\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/pages\/40990"}],"wp:attachment":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/media?parent=40994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}