{"id":169,"date":"2018-06-28T18:23:03","date_gmt":"2018-06-28T18:23:03","guid":{"rendered":"http:\/\/commons.princeton.edu\/motorcycledesign\/?page_id=169"},"modified":"2018-07-06T15:23:05","modified_gmt":"2018-07-06T15:23:05","slug":"savarys-method","status":"publish","type":"page","link":"https:\/\/commons.princeton.edu\/motorcycledesign\/joseph-henry-project\/measurement-of-magnetic-field-strength\/savarys-method\/","title":{"rendered":"Savary&#8217;s method"},"content":{"rendered":"<h3>Experiment Setup<\/h3>\n<p><strong>Magnetization<\/strong><\/p>\n<ol>\n<li>Wrap a steel needle with insulated wire;<\/li>\n<li>Connect the wire with power supply operating under constant current mode. A small resistor of 2Ohm is connected in serial with the coil.<\/li>\n<\/ol>\n<p><strong>Measurement<\/strong><\/p>\n<ol>\n<li>Fix a bar magnet (in Savary\u2019s experiment a wire is used instead of magnet) on the table, make the orientation of the magnet the same as earth magnetic field ;<\/li>\n<li>Suspend the needle in horizontal plane and put the center of needle right above the center of magnet;<\/li>\n<li>Magnetize the needle and rotate it to be perpendicular with the magnet;<\/li>\n<li>Release the needle and start timing;<\/li>\n<li>Count the time of 30 oscillations.<\/li>\n<li><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1771\" src=\"http:\/\/commons.princeton.edu\/motorcycledesign\/wp-content\/uploads\/sites\/70\/2018\/07\/photo-2-Copy.jpg\" alt=\"\" width=\"379\" height=\"512\" srcset=\"https:\/\/commons.princeton.edu\/motorcycledesign\/wp-content\/uploads\/sites\/70\/2018\/07\/photo-2-Copy.jpg 379w, https:\/\/commons.princeton.edu\/motorcycledesign\/wp-content\/uploads\/sites\/70\/2018\/07\/photo-2-Copy-222x300.jpg 222w\" sizes=\"auto, (max-width: 379px) 100vw, 379px\" \/><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Experiment Setup Magnetization Wrap a steel needle with insulated wire; Connect the wire with power supply operating under constant current mode. A small resistor of 2Ohm is connected in serial with the coil. Measurement Fix a bar magnet (in Savary\u2019s experiment a wire is used instead of magnet) on the table, make the orientation of&hellip; <\/p>\n","protected":false},"author":6,"featured_media":0,"parent":147,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-169","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/commons.princeton.edu\/motorcycledesign\/wp-json\/wp\/v2\/pages\/169","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/commons.princeton.edu\/motorcycledesign\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/commons.princeton.edu\/motorcycledesign\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/commons.princeton.edu\/motorcycledesign\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/commons.princeton.edu\/motorcycledesign\/wp-json\/wp\/v2\/comments?post=169"}],"version-history":[{"count":4,"href":"https:\/\/commons.princeton.edu\/motorcycledesign\/wp-json\/wp\/v2\/pages\/169\/revisions"}],"predecessor-version":[{"id":1774,"href":"https:\/\/commons.princeton.edu\/motorcycledesign\/wp-json\/wp\/v2\/pages\/169\/revisions\/1774"}],"up":[{"embeddable":true,"href":"https:\/\/commons.princeton.edu\/motorcycledesign\/wp-json\/wp\/v2\/pages\/147"}],"wp:attachment":[{"href":"https:\/\/commons.princeton.edu\/motorcycledesign\/wp-json\/wp\/v2\/media?parent=169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/commons.princeton.edu\/motorcycledesign\/wp-json\/wp\/v2\/categories?post=169"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/commons.princeton.edu\/motorcycledesign\/wp-json\/wp\/v2\/tags?post=169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}