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A single loop of area 0.02 m^2 carries 5 A with its plane parallel to a 0.1 T field. Torque?
A0.01 N m
B0.05 N m
C0.001 N m
D0.1 N m
Answer & Solution
Correct answer: A. 0.01 N m
tau = N I A B = 1 x 5 x 0.02 x 0.1 = 0.01 N m.
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