When a bar magnet is broken into two pieces :

We will have a single pole on each piece

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Each piece will have two unlike poles

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Each piece will have two likes pole

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None of these

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Solution

The correct option is B Each piece will have two unlike poles
Answer is B.

when we break a magnet into two, both act as magnets, that is both have a north and south pole each. In both these pieces the corresponding north and south poles remain on the sides as in the original magnet. This means that the 2 broken sides must get oppositely polarized

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