{"id":3639,"date":"2015-06-16T14:02:02","date_gmt":"2015-06-16T14:02:02","guid":{"rendered":"http:\/\/www.swatlibraries.org\/projects\/speed\/anna\/2015\/06\/16\/coulomb-apparatus\/"},"modified":"2024-01-19T19:10:54","modified_gmt":"2024-01-19T19:10:54","slug":"coulomb-apparatus","status":"publish","type":"post","link":"https:\/\/demos.swarthmore.edu\/physics\/2015\/06\/coulomb-apparatus\/","title":{"rendered":"Coulomb Apparatus"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"\/physics\/wp-content\/uploads\/sites\/2\/2015\/06\/Coulomb-Apparatus.jpg\" alt=\"Coulomb Apparatus demo picture\" width=\"366\" height=\"274\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"\/physics\/wp-content\/uploads\/sites\/2\/2015\/06\/Faraday-ice-pail.jpg\" alt=\"Coulomb Apparatus demo picture 2\" width=\"366\" height=\"275\" \/><\/p>\n<ul>\n<li><span style=\"font-size: large;\">Demonstrate 1\/r^2 dependence of Coulomb force.<\/span><\/li>\n<li><span style=\"font-size: large;\">For accurate measurements, potential difference between charged<br \/>\nspheres should be maintained using high-voltage power supply. <\/span><\/li>\n<li><span style=\"font-size: large;\">For less-quantitative measurement, spheres can be charged<br \/>\nwith rod and fur. Charge on sphere can then be measured using proof plane,<br \/>\nFaraday Ice Pail, and electrometer (right).<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: large;\">Location<\/span><\/p>\n<ul>\n<li><span style=\"font-size: large;\">Coulomb Apparatus: L01, section A2.<\/span><\/li>\n<li><span style=\"color: #000000; font-size: large;\">Proof plane: L01, section A2, plastic bin.<\/span><\/li>\n<li><span style=\"color: #000000; font-size: large;\">Faraday Ice Pail: L01, A2.<\/span><\/li>\n<li><span style=\"color: #000000; font-size: large;\">Electrometer: L01, A1.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Demonstrate 1\/r^2 dependence of Coulomb force. For accurate measurements, potential difference between charged spheres should be maintained using high-voltage power supply. For less-quantitative measurement, spheres can be charged with rod and fur. Charge on sphere can then be measured using proof plane, Faraday Ice Pail, and electrometer (right). Location Coulomb Apparatus: L01, section A2. &hellip; <a href=\"https:\/\/demos.swarthmore.edu\/physics\/2015\/06\/coulomb-apparatus\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Coulomb Apparatus<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":4584,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44,5],"tags":[168,169,216,21,230,240,397],"_links":{"self":[{"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/posts\/3639"}],"collection":[{"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/comments?post=3639"}],"version-history":[{"count":1,"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/posts\/3639\/revisions"}],"predecessor-version":[{"id":5412,"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/posts\/3639\/revisions\/5412"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/media\/4584"}],"wp:attachment":[{"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/media?parent=3639"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/categories?post=3639"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/tags?post=3639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}