Define electro magnet???????only genius
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A device consisting of a coil of insulated wire wrapped around an iron core that becomes magnetized when an electric current flows through the wire. Electromagnets are used to convert electrical control signals into mechanical movements.
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what about Ace person
why they should not answer?????
but then also I m answering
electro magnet:
a soft metal core made into a magnet by the passage of electric current through a coil surrounding it.
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