A rod with resistance R lies across frictionless conducting rails in a constant uniform magnetic field B, pointing out of the paper. Assume the rails have negligible fig resistance. The magnitude of the force that mu applied by a person to pull the rod to the right at constant speed vis:
A rod with resistance R lies across frictionless conducting rails in a constant uniform magnetic field B, pointing out of the paper. Assume the rails have negligible fig resistance. The magnitude of the force that mu applied by a person to pull the rod to the right at constant speed vis:
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