{"id":161117,"date":"2023-10-11T14:03:58","date_gmt":"2023-10-11T08:33:58","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=161117"},"modified":"2023-10-11T14:04:22","modified_gmt":"2023-10-11T08:34:22","slug":"a-300-v-5a-0-2-pf-low-power-factor-wattmeter-is-used-to-measure-the-power-consumed-by-a-load","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/a-300-v-5a-0-2-pf-low-power-factor-wattmeter-is-used-to-measure-the-power-consumed-by-a-load\/","title":{"rendered":"A 300 V, 5A, 0.2 pf low power factor wattmeter is used to measure the power consumed by a load"},"content":{"rendered":"\n<p>Q. A 300 V, 5A, 0.2 pf low power factor wattmeter is used to measure the power consumed by a load. The wattmeter scale has 150 divisions and the pointer is on the 100<sup>th<\/sup> division. The power consumed by the load (in Watts) is .<\/p>\n\n\n\n<p>Ans: 200<\/p>\n\n\n\n<p>Sol:<\/p>\n\n\n\n<p>Given that, voltage (V) = 300 V current (I) = 5A power factor (cos \u03d5) = 0.2 Full scale reading of wattmeter, P = VI cos \u03d5 = 300 \u00d7 5 \u00d7 0.2 = 300 W Wattmeter scale has 150 divisions.<\/p>\n\n\n\n<p>Each division constitutes, <\/p>\n\n\n\n<p>\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"65\" height=\"32\" src=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/10\/image-23.png\" alt=\"\" class=\"wp-image-161118\"\/><\/figure>\n\n\n\n<p>of reading. <\/p>\n\n\n\n<p>While measuring the power consumed by a load, pointer is on the 100th division, 100 divisions constitute 100 \u00d7 2 = 200 W of power.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Q. A 300 V, 5A, 0.2 pf low power factor wattmeter is used to measure the power consumed by a load. The wattmeter scale has 150 divisions and the pointer is on the 100th division. The power consumed by the load (in Watts) is . Ans: 200 Sol: Given that, voltage (V) = 300 V [&hellip;]<\/p>\n","protected":false},"author":419,"featured_media":161119,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5141],"tags":[5140],"class_list":["post-161117","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gate","tag-gate-questions"],"_links":{"self":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/161117","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/users\/419"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/comments?post=161117"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/161117\/revisions"}],"predecessor-version":[{"id":161120,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/161117\/revisions\/161120"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media\/161119"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=161117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=161117"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=161117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}