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Question

The magnetism of a magnet can be lost if


A

it is kept inside a plastic box

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B

it is wrapped with a plastic cover

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C

it is hit with a hammer

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D

it stucks to a metal door

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Solution

The correct option is C

it is hit with a hammer


  • Demagnetization: Demagnetization is a process by which a magnet loses its magnetic property.
  • Hitting a magnet with hammer will make its magnetic poles point in different directions thus causing demagnetization.

Option (c) is the correct answer.


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