Question

What is an electromagnet ? Write two ways by which the strength of an electromagnet may be increased?​

Answer 1

what is electromagnet

answer:

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

what can increase its power?

answer:

Putting a piece of iron or steel inside the coil makes the magnet strong enough to attract objects. The strength of an electromagnet can be increased by increasing the number of loops of wire around the iron core and by increasing the current or voltage

Answer 2

Definition:
An electromagnet is a soft metal surface through which electric current is passed through a coil surrounding it.

Ways:
adding more turns to the coil.
increasing the current flowing through the coil.

Hope it helped
Mark it the brainliest and follow me too