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A closely wound solenoid of 2000 turns a...

A closely wound solenoid of 2000 turns and area of cross-section `1.5 xx 10^(-4) m^(2)` carries a current of 2.0 A. It is suspended through it centre and perpendicular to its length, allowing it to tum in a horizontal plane in a uniform magnetic field `5 xx 10^(-2)` tesla making an angle of `30^(@)` with the axis of the solenoid. The torque on

A

`3 xx 10^(-3)` N.m

B

`1.5 xx 10^(-3)` N.m

C

`1.5 xx 10^(-2)` N.m

D

`3 xx 10^(-2)` N.m

Text Solution

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The correct Answer is:
C
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