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Magnet and Magnetite

A permanent m...

Question

A permanent magnet can lose its magnetism with time

A

True

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B

False

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Solution

The correct option is A True
Yes permanent magnet can lose its magnetism in following cases
i) Heating up to certain temperature
ii) Low coercivity and wrong storage.
iii)Energy transfer them by shock.

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Which among the following is/are true?

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