{"id":870,"date":"2022-04-03T17:15:55","date_gmt":"2022-04-03T15:42:48","guid":{"rendered":"https:\/\/experiments.school\/?post_type=product&#038;p=870"},"modified":"2022-07-01T10:42:10","modified_gmt":"2022-07-01T08:42:10","slug":"022-magnetic-probe","status":"publish","type":"product","link":"https:\/\/experiments.school\/en\/product\/022-magnetic-probe\/","title":{"rendered":"022 &#8211; Magnetic probe"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<h2><strong>Improvised magnetic needle<\/strong><\/h2>\n<h2><strong>qualitative magnetic probe<\/strong><\/h2>\n<h2><strong>basic experiment about magnetic field lines<\/strong><\/h2>\n<h2><strong>paper clip in magnetic field<\/strong><\/h2>\n<h2>Introduction to:<\/h2>\n<p>Magnetic needle, magnetic field of a bar magnet, magnetic field lines<\/p>\n<p>https:\/\/experiments.school\/wp-content\/uploads\/2022\/05\/022.mp4<\/p>\n<h2>Material:<\/h2>\n<ul>\n<li>Permanent magnet, e.g. bar magnet<\/li>\n<li>Safety pin<\/li>\n<li>Toothpick with one end slightly widened, e.g. by skewering a small piece of cork onto it<\/li>\n<\/ul>\n<h2>Construction and implementation:<\/h2>\n<p>Attach the safety pin to the toothpick so that it can rotate freely and hold it near the magnet.<\/p>\n<h2>Observation:<\/h2>\n<p>The paper clip aligns itself with the magnetic field lines.<\/p>\n<h2>Tips:<\/h2>\n<ul>\n<li>Rotating the safety pin by 180\u00b0 leads to a reversal of the polarity<\/li>\n<li>There is no need to magnetize the pin prior to the experiment<\/li>\n<\/ul>\n<h2>Explanation:<\/h2>\n<ul>\n<li>The safety pin is ferromagnetic and is magnetised by the magnet.<\/li>\n<li>It therefore behaves like a magnetic needle and shows the direction of the field lines.<\/li>\n<\/ul>\n","protected":false},"featured_media":1406,"template":"","meta":[],"product_brand":[],"product_cat":[987,874],"product_tag":[],"class_list":{"0":"post-870","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-6-magnetism-electromagnetism","7":"product_cat-b-electricity","8":"","9":"woocommerce-text-align-left","10":"woocommerce-image-align-center","12":"first","13":"instock","14":"shipping-taxable","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/experiments.school\/en\/wp-json\/wp\/v2\/product\/870","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/experiments.school\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/experiments.school\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/experiments.school\/en\/wp-json\/wp\/v2\/media\/1406"}],"wp:attachment":[{"href":"https:\/\/experiments.school\/en\/wp-json\/wp\/v2\/media?parent=870"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/experiments.school\/en\/wp-json\/wp\/v2\/product_brand?post=870"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/experiments.school\/en\/wp-json\/wp\/v2\/product_cat?post=870"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/experiments.school\/en\/wp-json\/wp\/v2\/product_tag?post=870"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}