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To measure the magnetic moment of a bar ...

To measure the magnetic moment of a bar magnet, one may use

A

a langent galvanometer

B

a deflection galvanometer if the earth's horizontal field is is known

C

an uscillation magnetometer if the earth horizontal field is known

D

both deflecation and oscillation magnatormeter if the earth's horizontal field is not known

Text Solution

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The correct Answer is:
B, C, D
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