Question

The strength of an electromagnet can be increased by

Answer 1

Explanation:

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

The strength of an electromagnet can be increased by:-

A. increasing the cross-sectional area

B. increasing the number of turns

C. increasing current supply

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