The figure below shows four orientations, at angle 0, of a magnetic dipole momen

Question

The figure below shows four orientations, at angle 0, of a magnetic dipole moment n in a magnetic field. (a) If the dipole moment mu rotates from orientation 1 to orientation 2, is the work done on the dipole by the magnetic field positive, negative, or zero? positive negative zero (b) Consider the following rotations. Rank these rotations by work done on the dipole by the magnetic field, greatest first. (Use only ">" or "=" symbols. Do not include any parentheses around the letters or symbols.)

Explanation / Answer

a) positive because angle is decreasing from 180- theta to theta

b) 1=2>3

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