{"id":520181,"date":"2017-09-26T02:00:00","date_gmt":"2017-09-25T23:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=cf82321d0f75eab371955f53d0a2ce83"},"modified":"2017-09-26T02:00:00","modified_gmt":"2017-09-25T23:00:00","slug":"benjamin-franklin-and-the-dissectible-capacitor-his-observations-might-surprise-you","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=520181","title":{"rendered":"Benjamin Franklin and the dissectible capacitor: his observations might surprise you"},"content":{"rendered":"<p>Although he is best known as an American statesman, Benjamin Franklin also made important<br \/>\ncontributions to electrical science in the mid-18th century. At the time, the Leyden jar, the first<br \/>\ncapacitor, had just been invented, and Franklin performed experiments to determine the source of the<br \/>\nspark and shock that occurred on discharge of the jar. In these experiments, he used Leyden jars and<br \/>\nFranklin squares (parallel-plate capacitors) that could be disassembled and reassembled. These<br \/>\ndevices later became known as dissectible capacitors. One of the more interesting results Franklin<br \/>\nobtained was that an electrified capacitor containing a dielectric could be disassembled, the<br \/>\nelectrodes discharged, and the capacitor reassembled without sacrificing its ability to produce a<br \/>\nspark and shock. This result is contrary to what one expects from today\u2019s theory for capacitors<br \/>\ninvolving ideal dielectrics (those possessing polarization and no other special properties such as<br \/>\nsurface effects): al&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Although he is best known as an American statesman, Benjamin Franklin also made important<br \/>\ncontributions to electrical science in the mid-18th century. At the time, the Leyden jar, the first<br \/>\ncapacitor, had just been invented, and Franklin performed ex&#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-520181","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\/520181","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=520181"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/520181\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=520181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=520181"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=520181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}