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Question


A coil carries a current and experiences a torque due to a magnetic filed. The value of the torque is 80% of the maximum possible torque. The angle between the magnetic field and the normal to the plane of the coil is


Options:
A .   30
B .   53
C .   45
D .   37
Answer: Option B
:
B
T=B I A n (0.8)
Sinθ=45θ=53

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