Question

An electromagnet is a temporary magnet made by coiling wire around an iron core which becomes a magnet when an electric current flows through the wire.

Describe 2 ways that the strength of the electromagnet can be increased

Answer 1

Answer: By increasing the current flowing in the coil.

Explanation:

increasing the current or adding more coils to the wire would increase the strength. and By inducing the length of the air gap between the poles.