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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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Answer» A. 0.25 A · m2, in the positive z direction |
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