{"id":170252,"date":"2016-01-14T03:00:00","date_gmt":"2016-01-14T00:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=8cce876b970f1624af25c4f43badb77e"},"modified":"2016-01-14T03:00:00","modified_gmt":"2016-01-14T00:00:00","slug":"the-electric-field-and-surface-charges-far-and-close-to-the-battery-for-the-transmission-line","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=170252","title":{"rendered":"The electric field and surface charges far and close to the battery for the transmission line"},"content":{"rendered":"<p>We consider two long resistive straight parallel wires carrying opposite constant currents and<br \/>\ncalculate the potential and electric field everywhere in space and the surface charge densities<br \/>\nalong the wires. The problem is solved through Laplace\u2019s equation in bi-cylinder coordinates, far<br \/>\nfrom the battery. We compare these calculations with previous known results that used different<br \/>\nmethods. We also calculate the numerical solution for the case in which the battery is present, and<br \/>\nshow the equipotentials and surface charges close to the battery.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We consider two long resistive straight parallel wires carrying opposite constant currents and<br \/>\ncalculate the potential and electric field everywhere in space and the surface charge densities<br \/>\nalong the wires. The problem is solved through Laplace\u2019s &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[178],"tags":[],"class_list":{"0":"post-170252","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/170252","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=170252"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/170252\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=170252"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=170252"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=170252"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}