Question

what is a electro magnet?​

Answer 1

Answer:

An electromagnet is a magnet that runs on electricity. Unlike a permanent magnet, the strength of an electromagnet can easily be changed by changing the amount of electric current that flows through it. The poles of an electromagnet can even be reversed by reversing the flow of electricity.

Explanation:

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Answer 2

Answer :

a soft metal core made into a magnet by the passage of electric current through a coil surrounding it.

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