Question

An electromagnet is a ___________ with a soft iron core.

Answer 1

1. An electromagnet is a temporary magnet which is formed by passage of electric current.
2. It behaves as a magnet only for the time, the electric current is passing through the circuit.
3. It works on the magnetic effect of current.
4. It consists of a long wire wound (a coil) on a soft iron core.
5. The long coil containing a large number of turns of insulated copper wire is called a solenoid.
6. When an electric current is passed through the solenoid, it behaves as a magnet.
7. An electromagnet is basically a solenoid with a soft iron core.

Thus, an electromagnet is a solenoid with a soft iron core.