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A bar magnet of magnetic moment vecM is ...

A bar magnet of magnetic moment vecM is placed in a magnetic field of induction vecB. The torque exerted on it is

A

`vecM" "vecB`

B

`-vecMxxvecB`

C

`vecMxxvecB`

D

`vecBxxvecM`

Text Solution

Verified by Experts

The correct Answer is:
C
Torque acting on the magnet, `tau=MB"sin"theta`
In vector form `vectau=vecMxxvecB`
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