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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