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Inseparable Poles

Q.Ifa hole is...

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Q.Ifa hole is made at the centre of a bar magnet then its magnetic moment will be (1)decrease (2)increase (3)unchange(4)ay increase or decrease

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Q. If a hole is made at the centre of a bar magnet, then its magnetic moment will

Q. Assertion (A) : When small holes are made in the body of the magnet, its magnetic moment decreases
Reason (R) : For a magnet Intensity of magnetisation remains constant and on making holes, magnetised volume decreases, hence magnetic moment decreases

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