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Question

When a North pole of a bar magnet is brought near the north pole of a freely suspended magnetic needle, it will ______.


A

have no effect

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B

repel

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C

move upwards

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D

attract

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Solution

The correct option is B

repel


Like poles of a magnet repel each other and unlike poles of a magnet attract each other. As both the poles are like, they will repel each other. Since the magnetic needle is freely suspended, it will rotate by 180 degrees.


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