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A Circular Loop of Wire with a Radius of 20

Question 15

Multiple Choice

A circular loop of wire with a radius of 20 cm lies in the xy plane and carries a current of 2 A, counterclockwise when viewed from a point on the positive z axis.Its magnetic dipole moment is:


A) 0.25 A.m2, in the positive z direction
B) 0.25 A.m2, in the negative z direction
C) 2.5 A.m2, in the positive z direction
D) 2.5 A.m2, in the negative z direction
E) 0.25 A.m2, in the xy plane

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