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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

Deflection magnetometer

B

Oscillation magnetometer

C

Tangent galvanometer

D

Moving coil galvanometer

Text Solution

Verified by Experts

The correct Answer is:
A, B, C, D
Deflection magnetometer and oscillation mag netometer both involve earth.s horizontal component of field and a bar magnet. Both may be used to calculate magnetic moment experimentally. Hence, options (a) and (b) are correct. Rest of the two devices mentioned in options (c) and (d) are used to measure electric current flowing in the circuit and hence are wrong options.
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