what is electromagnatic
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Electromagnet is a piece of iron which is commonly known as Core and the the coil copper coil is wrapped around it on a current is passed through it it catches it develops a electric field at this apparatus is known as electromagnet
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When a price of soft iron is kept in sollenoid or a coil and if a current passes through it the iron get magnetised that is it will become as a magnet.This is known as electro magnet. This iron will have its magnetic properties till when the current is passed
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