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The rate of change of torque 'tau' with ...

The rate of change of torque `'tau'` with deflection `theta` is maximum for a magnet suspended freely in a uniform magnetic field of induction `B` when `theta` is equal to

A

`theta= 90^@`

B

`theta=60^@`

C

`theta=45^@`

D

`theta=0^@`

Text Solution

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The correct Answer is:
D
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