Question

Ways of increasing the magnetic field of an electromagnet...

Answer 1

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 increasedby increasing the number of loops of wire around the iron core and byincreasing the current or voltage.

Answer 2

Different ways are :
Increase the turns if copper wire
Bring the poles nearer
Use soft iron core
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