Hello everyone please tell me what is electromagnet????
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An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. Electromagnets usually consist of wire wound into a coil. A current through the wire creates a magnetic field which is concentrated in the hole, denoting the centre of the coil
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A magnet that consists of a piece of iron or steel surrounded by a coil is known as an electromagnet. When an electric current is passed through the coil, the metal becomes magnetic.
It works as temporary magnet .and it's has great strength
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