Question

What can be done to increase the strength of a given electromagnet?

Answer 1

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

Answer 2

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