In figure the rolling axle, of length l is pushed along horizontal rails at a constant speed v. A re

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In figure the rolling axle, of length l is pushed along horizontal rails at a constant speed v. A resistor R is connected to the rails at points a and b, directly opposite each other. The wheels make good electrical contact with the rails, so the axle, rails, and R form a closed-loop circuit. The only significant resistance in the circuit is R. A uniform magnetic field B is vertically downward. Mark the CORRECT statement(s)

Accepted Answer

i = F = ilBF =

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