The magnetic flux through each turn of a 180-turn coil is given by B = 9.00 x 10-3 sin(wt), where w is the angular speed of the coil and B is in webers. At one instant, the coil is observed to be rotating at a rate of 9.00 x 10² rev/min. (Assume that t is in seconds.) (a) What is the induced emf in the coil as a function of time for this angular speed? (Use the following as necessary: t. Do not use other variables, substitute numeric values. Assume that & is in volts. Do not include units in your answer.) ε = (b) What is the maximum induced emf in the coil for this angular speed? V

The magnetic flux through each turn of a 180-turn coil is given by B = 9.00 x 10-3 sin(wt), where w is the angular speed of the coil and B is in webers. At one instant, the coil is observed to be rotating at a rate of 9.00 x 10² rev/min. (Assume that t is in seconds.) (a) What is the induced emf in the coil as a function of time for this angular speed? (Use the following as necessary: t. Do not use other variables, substitute numeric values. Assume that & is in volts. Do not include units in your answer.) ε = (b) What is the maximum induced emf in the coil for this angular speed? V

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter32: Faraday’s Law Of Induction

Section: Chapter Questions

Problem 45PQ

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