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A bar magnet, of magnetic moment vec m, ...

A bar magnet, of magnetic moment `vec m`, is placed in a magnetic field `vec B`. The torque exerted on it is

A

`vec m. vec B`

B

`-vec m. vec B`

C

`-vec m xx vec B`

D

`vec m xx vec B`

Text Solution

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The correct Answer is:
D
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