A circular coil of 10 turns and radius 
is placed in a uniform magnetic field of 
normal to the plane of the coil. If the current in the coil is 
, then the magnitude of the torque on the coil is
A
B
C
D
zero
Text Solution
Verified by ExpertsThe correct answer is:
D
Magnitude of torque on the coil is given as
where, 
is the angle between normal to the loop and direction of magnetic field.
Here, 
So, 
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