Question

A magnet that is made by passing electric current through a coil surrounding a metal core is called an _____________.

Answer 1

1. An electromagnet is an artificial magnet in which magnetism is produced due to the electric current flowing through the coil surrounding a metal core.
2. An electromagnet behaves magnetically only when the electric current flows through the coil.
3. Higher the magnitude of the electric current flowing through the coil, the stronger the magnetic field produced by the electromagnet and vice versa.

Hence, a magnet that is made by passing an electric current through a coil surrounding a metal core is called an electromagnet.