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A bar magnet is suspended freely in a un...

A bar magnet is suspended freely in a uniform magnetic field of indecution B. When will the rate of change of torque `tau` with deflection `theta` be maximum ? [Here `theta` is the angle between the magnetic field and the magnetic moment of the bar magnet ]

A

`theta= 90^@`

B

`theta=60^@`

C

`theta=45^@`

D

`theta=0^@`

Text Solution

Verified by Experts

The correct Answer is:
D
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