{"id":156066,"date":"2023-08-29T10:41:13","date_gmt":"2023-08-29T05:11:13","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=156066"},"modified":"2023-08-29T10:41:23","modified_gmt":"2023-08-29T05:11:23","slug":"in-the-circuit-shown-below-the-input-voltage-%f0%9d%91%89%f0%9d%91%96%f0%9d%91%9b-is-positive-the-current-%f0%9d%90%bc-voltage-%f0%9d%91%89-characteristics-of-the-diode-can-be-assumed-to-be","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/in-the-circuit-shown-below-the-input-voltage-%f0%9d%91%89%f0%9d%91%96%f0%9d%91%9b-is-positive-the-current-%f0%9d%90%bc-voltage-%f0%9d%91%89-characteristics-of-the-diode-can-be-assumed-to-be\/","title":{"rendered":"In the circuit shown below, the input voltage \ud835\udc49\ud835\udc56\ud835\udc5b is positive. The current (\ud835\udc3c) &#8211; voltage (\ud835\udc49) characteristics of the diode can be assumed to be \ud835\udc3c"},"content":{"rendered":"\n<p>Q. In the circuit shown below, the input voltage \ud835\udc49<sub>\ud835\udc56\ud835\udc5b<\/sub> is positive. The current (\ud835\udc3c) &#8211; voltage (\ud835\udc49) characteristics of the diode can be assumed to be \ud835\udc3c = \ud835\udc3c<sub>0<\/sub>\ud835\udc52<sup>\ud835\udc49\/\ud835\udc49<\/sup>\ud835\udc47 under the forward bias condition, where \ud835\udc49<sub>\ud835\udc47<\/sub> is the thermal voltage and \ud835\udc3c<sub>0<\/sub> is the reverse saturation current. Assuming an ideal op-amp, the output voltage \ud835\udc49<sub>\ud835\udc5c\ud835\udc62\ud835\udc61<\/sub> of the circuit is proportional to<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/08\/image-24.png\" alt=\"\" class=\"wp-image-156067\" style=\"width:298px;height:156px\" width=\"298\" height=\"156\" srcset=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/08\/image-24.png 617w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/08\/image-24-300x157.png 300w\" sizes=\"(max-width: 298px) 100vw, 298px\" \/><\/figure>\n\n\n\n<p>Ans: \ud835\udc52<sup>\ud835\udc49<\/sup>\ud835\udc56\ud835\udc5b\/\ud835\udc49\ud835\udc47<\/p>\n\n\n\n<p>Sol:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"71\" height=\"33\" src=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/08\/image-25.png\" alt=\"\" class=\"wp-image-156068\"\/><\/figure>\n\n\n\n<p>By applying KCL at node O,<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"139\" height=\"69\" src=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/08\/image-29.png\" alt=\"\" class=\"wp-image-156069\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Q. In the circuit shown below, the input voltage \ud835\udc49\ud835\udc56\ud835\udc5b is positive. The current (\ud835\udc3c) &#8211; voltage (\ud835\udc49) characteristics of the diode can be assumed to be \ud835\udc3c = \ud835\udc3c0\ud835\udc52\ud835\udc49\/\ud835\udc49\ud835\udc47 under the forward bias condition, where \ud835\udc49\ud835\udc47 is the thermal voltage and \ud835\udc3c0 is the reverse saturation current. Assuming an ideal op-amp, the output voltage [&hellip;]<\/p>\n","protected":false},"author":419,"featured_media":156070,"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-156066","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\/156066","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=156066"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/156066\/revisions"}],"predecessor-version":[{"id":156071,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/156066\/revisions\/156071"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media\/156070"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=156066"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=156066"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=156066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}