{"product_id":"b0d4qgdk11","title":"Educational Science Model Physical Current Magnetic Field Magnet Round Square Coil Iron Powder Physical Electromagnetism Experiment Teaching Instrument","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eThe current magnetic field consists of a linear current magnetic field, a ring current magnetic field and a solenoid magnetic field . Both use a multiturn coil instead of a single-core wire to increase the magnetic induction intensity and improve the demonstration effect.\u003c\/li\u003e\n\u003cli\u003eDemonstrate the phenomenon that direct current creates a magnetic field over a wire, and the relationship between the direction of the magnetic field and the direction of the current.\u003c\/li\u003e\n\u003cli\u003eThe instrument is made of a transparent material and should avoid surface friction and maintain its transparency.\u003c\/li\u003e\n\u003cli\u003eDuring the demonstration, after the magnetic induction line has been formed, the power supply should be cut to avoid excessive temperatures and damage to the instrument.\u003c\/li\u003e\n\u003cli\u003eAfter the experiment, the iron powder is brushed with a brush.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"BrightMinds","offers":[{"title":"Default Title","offer_id":47690073538644,"sku":"SPH-B0D4QGDK11","price":160.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/3590\/1780\/files\/41BjUTjh52L._AC_SL1500.jpg?v=1789644902","url":"https:\/\/learnbrightminds.com\/products\/b0d4qgdk11","provider":"BrightMinds","version":"1.0","type":"link"}