Electromagnets

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Last updated 12:37 AM on 6/8/26
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6 Terms

1
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What is an electromagnet?

A magnet created by an electric current.

2
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What 3 things are needed to make an electromagnet?

Battery, wire, and an iron core.

3
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What happens if the current is switched off?

The electromagnet loses its magnetism.

4
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How can an electromagnet be made stronger?

More coils, more current, and using an iron core.

5
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Why are electromagnets useful?

They can be turned on and off.

6
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Name one use of an electromagnet.

Scrap metal crane (or speaker, motor, bell).