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A 100-turn, 0.01 m^2 coil with 2 A lies in the plane of a 0.5 T field. Torque?
A1 N m
B0.5 N m
C2 N m
D0.01 N m
Answer & Solution
Correct answer: A. 1 N m
Torque equals N I A B = 100 × 2 × 0.01 × 0.5 = 1 N m.
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