A magnet can be completely demagnetized by which one of the following processes?

Breaking the magnet into small pieces

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Heating it slightly

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Applying a reverse field of appropriate strength

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Dropping it into ice cold water

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Solution

The correct option is C Applying a reverse field of appropriate strength
A magnet can be completely demagnetized only by applying a reverse field equivalent coercivity of the material.

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A magnet can be completely demagnetized by which one of the following processes?

The correct option is C Applying a reverse field of appropriate strengthA magnet can be completely demagnetized only by applying a reverse field equivalent coercivity of the material.

The correct option is C Applying a reverse field of appropriate strength
A magnet can be completely demagnetized only by applying a reverse field equivalent coercivity of the material.