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Question

Which of the following actions will not make a magnet lose its magnetic properties?

A
Dropping a magnet from a certain height
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B
Hammering a magnet
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C
Passing electric current
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D
Heating a magnet
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Solution

The correct option is C Passing electric current
If a magnet is heated, hammered, or dropped on the floor, its magnetism is destroyed (or it gets demagnetised). However, a magnet will not lose its properties when an electric current is passed through it.

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