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Question

When a bar magnet is broken into two pieces :
  1. We will have a single pole on each piece
  2. Each piece will have two unlike poles
  3. Each piece will have two likes pole
  4. None of these

A
We will have a single pole on each piece
B
None of these
C
Each piece will have two likes pole
D
Each piece will have two unlike poles
Solution
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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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