{"id":116373,"date":"2015-08-19T02:00:00","date_gmt":"2015-08-18T23:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=193bcebb21815dd1c60c2f9c7315b4fe"},"modified":"2015-08-19T02:00:00","modified_gmt":"2015-08-18T23:00:00","slug":"measurement-of-the-magnetic-field-of-small-magnets-with-a-smartphone-a-very-economical-laboratorypractice-for-introductory-physics-courses","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=116373","title":{"rendered":"Measurement of the magnetic field of small magnets with a smartphone: a very economical laboratory\r\npractice for introductory physics courses"},"content":{"rendered":"<p>In this work, we propose an inexpensive laboratory practice for an introductory physics course<br \/>\nlaboratory for any grade of science and engineering study. This practice was very well received by<br \/>\nour students, where a smartphone (iOS, Android, or Windows) is used together with mini magnets<br \/>\n(similar to those used on refrigerator doors), a 20 cm long school rule, a paper, and a free<br \/>\napplication (app) that needs to be downloaded and installed that measures magnetic fields using the<br \/>\nsmartphone\u2019s magnetic field sensor or magnetometer. The apps we have used are: Magnetometer (iOS),<br \/>\nMagnetometer Metal Detector, and Physics Toolbox Magnetometer (Android). Nothing else is needed.<br \/>\nCost of this practice: free. The main purpose of the practice is that students determine the<br \/>\ndependence of the component x of the magnetic field produced by different magnets (including ring<br \/>\nmagnets and sphere magnets). We obtained that the dependency of the magnetic field with the distance<br \/>\nis of the form<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this work, we propose an inexpensive laboratory practice for an introductory physics course<br \/>\nlaboratory for any grade of science and engineering study. This practice was very well received by<br \/>\nour students, where a smartphone (iOS, Android, or Windo&#8230;<\/p>\n","protected":false},"author":0,"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-116373","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\/116373","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"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=116373"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/116373\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=116373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=116373"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=116373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}