Question: A 8 . 0 0 - cm - long wire is pulled along a U - shaped conducting rail in a perpendicular magnetic field. The

A 8.00-cm-long wire is pulled along a U-shaped conducting rail in a perpendicular magnetic field. The total resistance of the wire and rail is 0.350. Pulling the wire at a steady speed of 4.00 m/sm/s causes 4.00 WW of power to be dissipated in the circuit.

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