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The magnetic moment of a magnet is 0.1 a...

The magnetic moment of a magnet is `0.1 amp xx m^2`. It is suspended in a magnetic field of intensity `3 xx 10^-4 weber/m^2`. The couple acting upon it when deflected by `30^@` from the magnetic field is:

A

`1 xx 10^5 Nm`

B

`1.5 xx 10^-5 Nm`

C

`2 xx 10^-5 Nm`

D

`2.5 xx 10^-5 Nm`

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