{"id":439776,"date":"2017-08-14T02:00:00","date_gmt":"2017-08-13T23:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=ac33fbab09b78d6a556ea36b63e13c09"},"modified":"2017-08-14T02:00:00","modified_gmt":"2017-08-13T23:00:00","slug":"lcr-circuit-new-simple-methods-for-measuring-the-equivalent-series-resistance-of-a-capacitor-andinductance-of-a-coil","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=439776","title":{"rendered":"LCR circuit: new simple methods for measuring the equivalent series resistance of a capacitor and\r\ninductance of a coil"},"content":{"rendered":"<p>Equivalent series resistance (ESR) represents the measurement of total energy loss in a capacitor.<br \/>\nIn this paper a simple method for measuring the ESR of ceramic capacitors based on the analysis of<br \/>\nthe oscillations of an LCR circuit is proposed. It is shown that at frequencies under 3300 Hz, the<br \/>\nESR is directly proportional to the period of oscillations. Based on the determined dependence of<br \/>\nthe ESR on the period, a method is devised and tested for measuring coil inductance. All<br \/>\nmeasurements were performed using the standard equipment found in student laboratories, which makes<br \/>\nboth methods very suitable for implementation at high school and university levels.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Equivalent series resistance (ESR) represents the measurement of total energy loss in a capacitor.<br \/>\nIn this paper a simple method for measuring the ESR of ceramic capacitors based on the analysis of<br \/>\nthe oscillations of an LCR circuit is proposed. It i&#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-439776","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\/439776","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=439776"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/439776\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=439776"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=439776"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=439776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}