{"id":3662,"date":"2015-06-16T14:02:14","date_gmt":"2015-06-16T14:02:14","guid":{"rendered":"http:\/\/www.swatlibraries.org\/projects\/speed\/anna\/2015\/06\/16\/e-beam-in-bfield\/"},"modified":"2024-01-19T19:10:51","modified_gmt":"2024-01-19T19:10:51","slug":"e-beam-in-bfield","status":"publish","type":"post","link":"https:\/\/demos.swarthmore.edu\/physics\/2015\/06\/e-beam-in-bfield\/","title":{"rendered":"e-beam in B-field"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"\/physics\/wp-content\/uploads\/sites\/2\/2015\/06\/e-beam-in-B-field-1.jpg\" alt=\"e-beam in Bfield demo picture\" width=\"422\" height=\"316\" \/><\/p>\n<p><span style=\"font-size: large;\">Purpose: Demonstrate the magnetic deflection of an electron<br \/>\nbeam. <\/span><\/p>\n<ul>\n<li><span style=\"font-size: large;\">Crookes tube contains a white screen that fluoresces green when electrons collides with it. High\u00a0voltage applied across the anode and cathode accelerate electrons through tube. Electron beam can be deflected using magnetic field of bar magnet. <\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: large;\">ALWAYS USE THE MINIMUM VOLTAGE AND CURRENT NECESSARY TO OPERATE\u00a0CROOKES TUBE.<\/span><\/p>\n<p><span style=\"font-size: large;\"><u>Location<\/u><\/span><\/p>\n<ul>\n<li><span style=\"font-size: large;\">Crookes Tube: L01, section B3<\/span><\/li>\n<li><span style=\"font-size: large;\">Kilovolt Power Supply: L01, section A1<\/span><\/li>\n<li><span style=\"font-size: large;\">Magnet: L01, section B2<\/span><\/li>\n<li><span style=\"font-size: large;\">Cables: L01, or L35 (hanging on wall)<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Purpose: Demonstrate the magnetic deflection of an electron beam. Crookes tube contains a white screen that fluoresces green when electrons collides with it. High\u00a0voltage applied across the anode and cathode accelerate electrons through tube. Electron beam can be deflected using magnetic field of bar magnet. ALWAYS USE THE MINIMUM VOLTAGE AND CURRENT NECESSARY TO &hellip; <a href=\"https:\/\/demos.swarthmore.edu\/physics\/2015\/06\/e-beam-in-bfield\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">e-beam in B-field<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":4616,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44,47],"tags":[95,184,205,218,330,333],"_links":{"self":[{"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/posts\/3662"}],"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=3662"}],"version-history":[{"count":2,"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/posts\/3662\/revisions"}],"predecessor-version":[{"id":5427,"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/posts\/3662\/revisions\/5427"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/media\/4616"}],"wp:attachment":[{"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/media?parent=3662"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/categories?post=3662"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/tags?post=3662"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}