{"id":2247,"date":"2023-02-17T21:54:21","date_gmt":"2023-02-17T20:54:21","guid":{"rendered":"https:\/\/helpmyphysics.co.uk\/wordpress\/?p=2247"},"modified":"2023-02-17T21:54:21","modified_gmt":"2023-02-17T20:54:21","slug":"charge-that-capacitor","status":"publish","type":"post","link":"https:\/\/helpmyphysics.co.uk\/wordpress\/?p=2247","title":{"rendered":"Charge that capacitor!"},"content":{"rendered":"<p><a href=\"http:\/\/www.helpmyphysics.co.uk\/html5animations\/chargingcapacitorstuff\/capacitorsensor.html\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/helpmyphysics.co.uk\/wordpress\/wp-content\/uploads\/2023\/02\/chargingcapacitorpic-300x190.jpg\" alt=\"\" width=\"300\" height=\"190\" class=\"aligncenter size-medium wp-image-2249\" srcset=\"https:\/\/helpmyphysics.co.uk\/wordpress\/wp-content\/uploads\/2023\/02\/chargingcapacitorpic-300x190.jpg 300w, https:\/\/helpmyphysics.co.uk\/wordpress\/wp-content\/uploads\/2023\/02\/chargingcapacitorpic.jpg 765w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>A capacitor can be used in a sensor circuit to switch on a transistor after a time interval.<br \/>\nSuch a voltage divider circuit will act as a kind of timer.<br \/>\nThe time the voltage across the capacitor reaches 0.7 v, to switch on the transistor, can be short or long depending on the size of the capacitance of the capacitor or the size of the resistor its being charged through.<\/p>\n<p>To lengthen the time interval the resistance can be made bigger or the vakue of the capacitor&#8217;s capacitance can be made bigger.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A capacitor can be used in a sensor circuit to switch on a transistor after a time interval. Such a voltage divider circuit will act as a kind of timer. The time the voltage across the capacitor reaches 0.7 v, to switch on the transistor, can be short or long depending on the size of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14,16,36,15],"tags":[],"class_list":["post-2247","post","type-post","status-publish","format-standard","hentry","category-higher-physics","category-physicsnational4","category-physicsnational5","category-standard-grade-physics"],"_links":{"self":[{"href":"https:\/\/helpmyphysics.co.uk\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2247","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/helpmyphysics.co.uk\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/helpmyphysics.co.uk\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/helpmyphysics.co.uk\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/helpmyphysics.co.uk\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2247"}],"version-history":[{"count":3,"href":"https:\/\/helpmyphysics.co.uk\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2247\/revisions"}],"predecessor-version":[{"id":2251,"href":"https:\/\/helpmyphysics.co.uk\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2247\/revisions\/2251"}],"wp:attachment":[{"href":"https:\/\/helpmyphysics.co.uk\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2247"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/helpmyphysics.co.uk\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2247"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/helpmyphysics.co.uk\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2247"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}