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A "bar" magnet of moment 4Am^(2) is plac...

A "bar" magnet of moment `4Am^(2)` is placed in a nonuniform magnetic field. If the field strength at poles are `0.2 T` and `0.22 T` then the maximum couple acting on it is

A

`0.04Nm`

B

`0.84Nm`

C

`0.4 Nm`

D

`0.44Nm`

Text Solution

Verified by Experts

The correct Answer is:
B
`C_(max)=MB_(avg)`
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