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COMEDK Exam 2022 Solved Paper

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Question : 35

Total: 180

A bar magnet of length 6‌cm, is placed in the magnetic meridian with N pole, pointing towards the geographical north. Two neutral points, separated by a distance of 8‌cm are obtained on the equitorial axis of the magnet. If BH=1.2×10−5T. Then the pole strength of the magnet is

0.75A−m2
0.25A−m2
0.50A−m2
1.50A−m2

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