A circular coil of 25 turns and radius 12 cm is placed in a uniform magnetic field of 0.5 T normal to the plane of the coil. If the current in the coil is 6 A then total torque acting on the coil is
Text Solution
Verified by ExpertsThe correct answer is:
A
The torque acting on the coil
Here the circular coil is placed normal to the direction of magnetic field then the angle between the direction of magnetic moment 
and magnetic field 
is zero. Then
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