1
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Question

# If a bar magnet is cut into 4 parts, the total number of north poles will be:

A

eight
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B

two
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C

four
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D
one
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Solution

## The correct option is C fourWe know that every magnet has two poles, namely- north pole and south pole. If a magnet is broken into a number of pieces, each piece becomes a magnet. If a bar magnet gets broken into four pieces, these four pieces will also be four independent magnets. Four independent magnets will have 8 poles in total. These 8 poles contains 4 north poles and 4 south poles. Therefore, there will be 4 north poles in total.

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