torque on a current loop

by aaaa202
Tags: current, loop, torque
aaaa202 is offline
Jan14-13, 06:13 PM
P: 992
One often uses the model that an electron (which is a current loop due to its spin) experiences a torque in an external magnetic field. Now a torque does work, and magnetic fields don't do work. Isn't there then an inconsistensy here?
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