Electromagnet - Explained

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Опубликовано 11 сентября 2013, 19:00
What is an electromagnet? What does electromagnetic mean? How do electromagnets work? Electromagnets use an electrical current in order to produce magnetic poles. The operate just like permanent magnets, however they require the presence of a flowing current. By passing a current through a wound coil of wire, north and south magnetic poles will form.

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