alleryStart learning →A loop of 50 turns, radius 0.1 m, carries 2 A. Its magnetic moment is
A31.4 A m^2
B6.28 A m^2
C3.14 A m^2
D0.314 A m^2
Answer & Solution
Correct answer: C. 3.14 A m^2
m = N I A = 50 x 2 x pi x 0.01 = 3.14 A m^2.
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