{"id":149275,"date":"2024-03-04T17:59:49","date_gmt":"2024-03-04T12:29:49","guid":{"rendered":"https:\/\/www.mapsofindia.com\/my-india\/?p=149275"},"modified":"2024-03-04T17:59:49","modified_gmt":"2024-03-04T12:29:49","slug":"a-circular-loop-of-radius-10-cm-carrying-current-of-1-0-a-lies-in-x-y-plane","status":"publish","type":"post","link":"https:\/\/www.mapsofindia.com\/my-india\/quiz\/a-circular-loop-of-radius-10-cm-carrying-current-of-1-0-a-lies-in-x-y-plane","title":{"rendered":"A circular loop of radius 10 cm carrying current of 1.0 A lies in x-y plane&#8230;"},"content":{"rendered":"<h2>A circular loop of radius 10 cm carrying current of 1.0 A lies in x-y plane. A long straight wire lies in the same plane parallel to x-axis at a distance of 20 cm as shown in figure.<\/h2>\n<p>&nbsp;<\/p>\n<h2>Find the direction and value of current that has to be maintained in the wire so that the net magnetic field at 0 is zero.<\/h2>\n<h3>Ans. The direction of the current in the wire must be opposite to that of the current in the loop to cancel out the magnetic field at point O. Therefore, the current in the wire should flow in the opposite direction to the current in the loop. Thus, the current in the wire should be <span class=\"math math-inline\"><span class=\"katex\"><span class=\"katex-mathml\">\ufffdwire=\u22121.37\u2009A<\/span><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord\"><span class=\"mord mathnormal\">I<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord text mtight\">wire<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><span class=\"mrel\">=<\/span><\/span><span class=\"base\"><span class=\"mord\">\u2212<\/span><span class=\"mord\">1.37<\/span><span class=\"mord text\"><span class=\"mord\">A<\/span><\/span><\/span><\/span><\/span><\/span>.<\/h3>\n","protected":false},"excerpt":{"rendered":"<p>A circular loop of radius 10 cm carrying current of 1.0 A lies in x-y plane. A long straight wire lies in the same plane parallel to x-axis at a distance of 20 cm as shown in figure. &nbsp; Find the direction and value of current that has to be maintained in the wire so [&hellip;]<\/p>\n","protected":false},"author":21830,"featured_media":114041,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12119],"tags":[],"class_list":{"0":"post-149275","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-quiz"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts\/149275","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/users\/21830"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/comments?post=149275"}],"version-history":[{"count":1,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts\/149275\/revisions"}],"predecessor-version":[{"id":149276,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts\/149275\/revisions\/149276"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/media\/114041"}],"wp:attachment":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/media?parent=149275"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/categories?post=149275"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/tags?post=149275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}