{"id":120213,"date":"2022-05-09T15:29:29","date_gmt":"2022-05-09T09:59:29","guid":{"rendered":"https:\/\/www.mapsofindia.com\/my-india\/?p=120213"},"modified":"2022-05-09T15:29:29","modified_gmt":"2022-05-09T09:59:29","slug":"in-the-above-circuit-if-the-current-reading-in-the-ammeter-a-is-2a-what-would-be-the-value-of-r1","status":"publish","type":"post","link":"https:\/\/www.mapsofindia.com\/my-india\/education\/in-the-above-circuit-if-the-current-reading-in-the-ammeter-a-is-2a-what-would-be-the-value-of-r1","title":{"rendered":"In the above circuit, if the current reading in the ammeter A is 2A, what would be the value of R1?"},"content":{"rendered":"<h2>Ques:<\/h2>\n<h2><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-120069 size-full\" src=\"https:\/\/www.mapsofindia.com\/ci-moi-images\/my-india\/2022\/05\/9-18.png\" alt=\"\" width=\"418\" height=\"153\" srcset=\"https:\/\/www.mapsofindia.com\/ci-moi-images\/my-india\/2022\/05\/9-18.png 418w, https:\/\/www.mapsofindia.com\/ci-moi-images\/my-india\/2022\/05\/9-18-150x55.png 150w, https:\/\/www.mapsofindia.com\/ci-moi-images\/my-india\/2022\/05\/9-18-300x110.png 300w\" sizes=\"auto, (max-width: 418px) 100vw, 418px\" \/><br \/>\nIn the above circuit, if the current reading in the ammeter A is 2A, what would be the value of R1?<\/h2>\n<h3>Ans: 5 ohm, 10 ohm and R1 are in series<br \/>\n1\/Rp = 1\/5+1\/10+1\/R1<br \/>\n1\/Rp = (2+1)\/10 + 1\/ R1<br \/>\n= 3\/10 +1\/ R1<br \/>\n1\/Rp = (3 R1 +10)\/10 R1<br \/>\nRp= 10 R1 \/ (3 R1 +10)<br \/>\nNow, 6 ohm, 6 ohm and Rp are in series<br \/>\nThus,<br \/>\nReq = 12 + 10 R1 \/ (3 R1 +10) &#8212;&#8212;&#8212;&#8212;&#8212;&#8212; (1)<\/h3>\n<h3>V = I Req<br \/>\nFrom the circuit<br \/>\nReq = 30\/2 = 15 A &#8212;&#8212;&#8212;&#8212;&#8212;(2)<br \/>\nEquating (1) and (2)<br \/>\n12 + 10 R1 \/ (3 R1 +10) = 15<br \/>\n10 R1 \/ (3 R1 +10) = 3<br \/>\n10 R1= (9 R1 + 30)<br \/>\nThus, R1 = 30 ohm.<\/h3>\n","protected":false},"excerpt":{"rendered":"<p>Ques: In the above circuit, if the current reading in the ammeter A is 2A, what would be the value of R1? Ans: 5 ohm, 10 ohm and R1 are in series 1\/Rp = 1\/5+1\/10+1\/R1 1\/Rp = (2+1)\/10 + 1\/ R1 = 3\/10 +1\/ R1 1\/Rp = (3 R1 +10)\/10 R1 Rp= 10 R1 \/ [&hellip;]<\/p>\n","protected":false},"author":21830,"featured_media":120050,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":{"0":"post-120213","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-education"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts\/120213","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=120213"}],"version-history":[{"count":1,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts\/120213\/revisions"}],"predecessor-version":[{"id":120220,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts\/120213\/revisions\/120220"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/media\/120050"}],"wp:attachment":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/media?parent=120213"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/categories?post=120213"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/tags?post=120213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}