A 75 turn, 8.5 cm diameter coil of an AC generator rotates at an angular velocity of 8.5 rad/s in a 1.15 T field, starting with the plane of the coil parallel to the field at time t = 0.a) What is the maximum emf, E0, in volts? b) At what time, t0, in seconds, is the maximum emf first reached? c) What is the next time, t1, in seconds, at which the absolute value of the emf is maximum? d) What is the period, T, in seconds of the AC voltage output?

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College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter23: Electromagnetic Induction, Ac Circuits, And Electrical Technologies

Section: Chapter Questions

Problem 36PE: A 75-turn, 10.0 cm diameter coil rotates at an angular velocity of 8.00 radius in a 1.25 T field,...

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A 75 turn, 8.5 cm diameter coil of an AC generator rotates at an angular velocity of 8.5 rad/s in a 1.15 T field, starting with the plane of the coil parallel to the field at time t = 0.

a) What is the maximum emf, E₀, in volts?

b) At what time, t₀, in seconds, is the maximum emf first reached?

c) What is the next time, t₁, in seconds, at which the absolute value of the emf is maximum?

d) What is the period, T, in seconds of the AC voltage output?

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