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Question

Distinguish between permanent and temporary magnets.


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Solution

Difference between permanent and temporary magnets:

Permanent magnet

Temporary magnet

It does not lose its magnetism when the cause producing it is removed. It loses its magnetism as soon as the the cause producing it is removed.
It is generally made of steel.It is generally made of soft iron.
It has fixed north and south poles.The position of the north and south poles can be changed.
It does not losses its magnetism over time.It losses it magnetism over time.
Its magnetic strength is fixed.Its magnetic strength can be changed.

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