{"id":101938,"date":"2024-07-23T20:00:17","date_gmt":"2024-07-23T18:00:17","guid":{"rendered":"https:\/\/www.linseis.com\/mierzone-zmienne\/przewodnosc-elektryczna\/"},"modified":"2026-01-16T10:22:22","modified_gmt":"2026-01-16T09:22:22","slug":"przewodnosc-elektryczna","status":"publish","type":"page","link":"https:\/\/www.linseis.com\/pl\/mierzone-zmienne\/przewodnosc-elektryczna\/","title":{"rendered":"Przewodno\u015b\u0107 elektryczna"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"101938\" class=\"elementor elementor-101938 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>\nPrzewodno\u015b\u0107 elektryczna\n<\/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=\"Karussell\" 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 of 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-36455\" 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=\"Przejd\u017a do Linseis.\" href=\"https:\/\/www.linseis.com\/pl\/\" 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-invisible elementor-widget elementor-widget-text-editor\" data-id=\"71a1ec4\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:500}\" 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>Przewodno\u015b\u0107 elektryczna &#8211; wielko\u015b\u0107 termofizyczna<\/h2><p>Przewodno\u015b\u0107 elektryczna to wielko\u015b\u0107 fizyczna opisuj\u0105ca stopie\u0144, w jakim substancja przewodzi pr\u0105d elektryczny. Okre\u015bla ona, czy dana substancja mo\u017ce by\u0107 u\u017cywana jako <g id=\"gid_0\">\n  <g id=\"gid_1\">izolator <\/g>\n<\/g>lub jako <g id=\"gid_2\">\n  <g id=\"gid_3\">przewodnik elektryczny<\/g>\n<\/g> jest odpowiednia. S\u0142u\u017cy r\u00f3wnie\u017c do identyfikacji substancji.  <\/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>Pr\u0105d elektryczny sk\u0142ada si\u0119 z poruszaj\u0105cych si\u0119 no\u015bnik\u00f3w \u0142adunku. Jest on spowodowany r\u00f3\u017cnic\u0105 napi\u0119\u0107 mi\u0119dzy dwoma biegunami. <\/p><p>Si\u0142a pr\u0105du elektrycznego p\u0142yn\u0105cego przy danym napi\u0119ciu zale\u017cy od materia\u0142u mi\u0119dzy biegunami. Iloraz nat\u0119\u017cenia pr\u0105du (I) i napi\u0119cia (U) nazywany jest przewodno\u015bci\u0105 elektryczn\u0105 (G). <\/p><p><strong>G=I\/U<\/strong><\/p><p>Przewodno\u015b\u0107 elektryczna zale\u017cy zar\u00f3wno od w\u0142a\u015bciwo\u015bci materia\u0142u, jak i jego wymiar\u00f3w.<\/p><p>Im wi\u0119ksze pole przekroju poprzecznego i im mniejsza odleg\u0142o\u015b\u0107 mi\u0119dzy biegunami, tym wi\u0119kszy przep\u0142yw pr\u0105du.<\/p><p>W przypadku og\u00f3lnie wa\u017cnych stwierdze\u0144 dotycz\u0105cych materia\u0142u nale\u017cy wykluczy\u0107 zale\u017cno\u015b\u0107 od wymiar\u00f3w.<\/p><p>Odbywa si\u0119 to poprzez odniesienie przewodno\u015bci (G) do pola przekroju poprzecznego (A) i odleg\u0142o\u015bci (l). Wynikiem jest przewodno\u015b\u0107 elektryczna (sigma) substancji. <\/p><p><strong>Sigma=G*l\/A<\/strong><\/p><p>Jednostk\u0105 miary przewodno\u015bci elektrycznej jest <strong>Siemens na metr [S\/m]<\/strong>.<\/p><p>Termin &#8222;op\u00f3r elektryczny&#8221; odnosi si\u0119 do odwrotno\u015bci przewodno\u015bci. Op\u00f3r elektryczny w\u0142a\u015bciwy jest odwrotno\u015bci\u0105 przewodno\u015bci. <\/p><p>Przewodno\u015b\u0107 mierzona jest po\u015brednio poprzez pomiar pr\u0105du generowanego przy danym napi\u0119ciu w okre\u015blonych warunkach.<\/p><p>Urz\u0105dzenia pomiarowe dostarczaj\u0105 warto\u015b\u0107 bezpo\u015brednio poprzez konwersj\u0119 okre\u015blonego pr\u0105du za pomoc\u0105 sta\u0142ych urz\u0105dzenia.<\/p><p>Nale\u017cy wzi\u0105\u0107 pod uwag\u0119, \u017ce przewodno\u015b\u0107 elektryczna zale\u017cy od temperatury. Zale\u017cno\u015b\u0107 mi\u0119dzy wielko\u015bciami elektrycznymi a temperatur\u0105 jest analizowana bardziej szczeg\u00f3\u0142owo w termoelektryce. <\/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-34687\" alt=\"\" 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\">{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": {\n    \"@type\": \"Question\",\n    \"name\": \"Wie funktioniert elektrische Leitf\u00e4higkeit?\",\n    \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"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.\"\n    }\n  }\n}\n<\/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>Przewodno\u015b\u0107 elektryczna Przewodno\u015b\u0107 elektryczna &#8211; wielko\u015b\u0107 termofizyczna Przewodno\u015b\u0107 elektryczna to wielko\u015b\u0107 fizyczna opisuj\u0105ca stopie\u0144, w jakim substancja przewodzi pr\u0105d elektryczny. Okre\u015bla ona, czy dana substancja mo\u017ce by\u0107 u\u017cywana jako izolator lub jako przewodnik elektryczny jest odpowiednia. S\u0142u\u017cy r\u00f3wnie\u017c do identyfikacji substancji. Pr\u0105d elektryczny sk\u0142ada si\u0119 z poruszaj\u0105cych si\u0119 no\u015bnik\u00f3w \u0142adunku. Jest on spowodowany r\u00f3\u017cnic\u0105 napi\u0119\u0107 [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":101932,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-101938","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linseis.com\/pl\/wp-json\/wp\/v2\/pages\/101938","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linseis.com\/pl\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.linseis.com\/pl\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/pl\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/pl\/wp-json\/wp\/v2\/comments?post=101938"}],"version-history":[{"count":0,"href":"https:\/\/www.linseis.com\/pl\/wp-json\/wp\/v2\/pages\/101938\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/pl\/wp-json\/wp\/v2\/pages\/101932"}],"wp:attachment":[{"href":"https:\/\/www.linseis.com\/pl\/wp-json\/wp\/v2\/media?parent=101938"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}