Demagnetisation of magnets can be done by

Rough handling

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Heating

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Magnetising in the opposite direction

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All the above

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Solution

The correct option is B All the above
Demagnetization processes include heating past the Curie point, applying a strong magnetic field, applying alternating current, or hammering the metal. Demagnetization occurs naturally over time. The speed of the process depends on the material, the temperature, and other factors.

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Similar questions

What is demagnetization? List some methods by which we can destroy magnetism of a magnet.

Point out two ways in which a magnet can be demagnetized.

State the names of the methods that can be used to demagnetize a magnet.

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