APFIVE Torque on a Magnetic Dipole
A magnetic dipole with moment μ = 2.0 × 10^-3 A·m² is oriented at an angle of 30° to a uniform magnetic field of 0.25 T. If the dipole is free to rotate, what is the magnitude of the torque acting on it?
A
5.0 × 10^-4 N·m
B
4.3 × 10^-4 N·m
C
1.25 × 10^-4 N·m
D
2.5 × 10^-4 N·m
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