30. Induction and Inductance
Motional EMF
2:14 minutes
Problem 30b
Textbook Question
Textbook QuestionINT A 10-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 0.20 Ω. Pulling the wire at a steady speed of 4.0 m/s causes 4.0 W of power to be dissipated in the circuit. a. How big is the pulling force?
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