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In a 290-turn automobile alternator, the magnetic flux in each turn is PR = 2.50 x 10-4 cos wt, where P, is in webers, w is the angular speed of the alternator, and t is in seconds. The alternator is geared to rotate two times for each engine revolution. The engine is running at an angular speed of 1.00 x 103 rev/min. (a) Determine the induced emf in the alternator as a function of time. (Assume E is in V.) E = (b) Determine the maximum emf in the alternator. V Need Help? Read It Watch It

In a 290-turn automobile alternator, the magnetic flux in each turn is PR = 2.50 x 10-4 cos wt, where P, is in webers, w is the angular speed of the alternator, and t is in seconds. The alternator is geared to rotate two times for each engine revolution. The engine is running at an angular speed of 1.00 x 103 rev/min. (a) Determine the induced emf in the alternator as a function of time. (Assume E is in V.) E = (b) Determine the maximum emf in the alternator. V Need Help? Read It Watch It

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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In a 290-turn automobile alternator, the magnetic flux in each turn is P, = 2.50 x 10-4 cos wt, where P, is in webers, w is the angular speed of the alternator, and t is in seconds. The alternator is geared to rotate two times for each engine revolution. The engine is running at an angular speed of 1.00 x 103 rev/min. (a) Determine the induced emf in the alternator as a function of time. (Assume & is in V.) E = (b) Determine the maximum emf in the alternator. V Need Help? Watch It Read It
Transcribed Image Text:In a 290-turn automobile alternator, the magnetic flux in each turn is P, = 2.50 x 10-4 cos wt, where P, is in webers, w is the angular speed of the alternator, and t is in seconds. The alternator is geared to rotate two times for each engine revolution. The engine is running at an angular speed of 1.00 x 103 rev/min. (a) Determine the induced emf in the alternator as a function of time. (Assume & is in V.) E = (b) Determine the maximum emf in the alternator. V Need Help? Watch It Read It
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