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Temporary Magnets

Electromagnet...

Question

Electromagnets are permanent magnets.

A

True

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B

False

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Solution

The correct option is B
False

Electromagnets behave like magnets only when electric current flows through their coils. So, they are temporary magnets.

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Electromagnets are permanent magnets.

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An electromagnet can produce very strong magnetic force as compared to permanent magnet.

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