{"id":178466,"date":"2016-02-08T03:00:00","date_gmt":"2016-02-08T00:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=26b3b4265d65f8b06ba825b585e5ec71"},"modified":"2016-02-08T03:00:00","modified_gmt":"2016-02-08T00:00:00","slug":"modelling-the-magnetic-dipole","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=178466","title":{"rendered":"Modelling the magnetic dipole"},"content":{"rendered":"<p>Three different models of a magnetic dipole, viz., a uniformly magnetised sphere, a circular current<br \/>\nloop and a pair of fictitious magnetic charges, have been systematically analysed within the<br \/>\nformalism based on the vector potential of the magnetic field. The expressions of the potentials and<br \/>\nmagnetic fields produced by each dipole model have been obtained. A computer code has been put<br \/>\nforward in order to visualise magnetic field lines for different dipole models. It has been shown<br \/>\nthat the magnetic field outside the uniformly magnetised sphere coincides with that of a point<br \/>\ndipole. The other two models give considerably different results at distances small or intermediate<br \/>\nin comparison with the dipole size.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Three different models of a magnetic dipole, viz., a uniformly magnetised sphere, a circular current<br \/>\nloop and a pair of fictitious magnetic charges, have been systematically analysed within the<br \/>\nformalism based on the vector potential of the magnetic &#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-178466","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\/178466","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=178466"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/178466\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=178466"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=178466"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=178466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}