Question

What is an electro magnet?​

Answer 1

Explanation:

electromagnet, device consisting of a core of magnetic material surrounded by a coil through which an electric current is passed to magnetize the core. An electromagnet is used wherever controllable magnets are required, as in contrivances in which the magnetic flux is to be varied, reversed, or switched on and off.

Answer 2

when the current passes through wire they actually act as magnets.. this is known as electromagnet.

Explanation:

the magnet which only attracts things 2hen current passes through it.