In a 220-turn automobile alternator, the magnetic flux in each turn is B = 2.50 × 10-4 cos wt, where B 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 × 10³ rev/min. (a) Determine the induced emf in the alternator as a function of time. (Assume & is in V.) E=11.5 (b) Determine the maximum emf in the alternator.
In a 220-turn automobile alternator, the magnetic flux in each turn is B = 2.50 × 10-4 cos wt, where B 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 × 10³ rev/min. (a) Determine the induced emf in the alternator as a function of time. (Assume & is in V.) E=11.5 (b) Determine the maximum emf in the alternator.
Physics for Scientists and Engineers, Technology Update (No access codes included)
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Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter31: Faraday’s Law
Section: Chapter Questions
Problem 31.45P: In a 250-turn automobile alternator, the magnetic flux in each turn is B, = 2.50 104 cos t, where...
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![In a 220-turn automobile alternator, the magnetic flux in each turn is = 2.50 × 10-4 cos wt, where is in webers, w is the angular speed of the alternator, and t is in
B
B
seconds. The alternator is geared to rotate two times for each engine revolution. The engine is running at an angular speed of 1.00 × 10³ rev/min.
(a) Determine the induced emf in the alternator as a function of time. (Assume & is in V.)
8 = 11.5
X
(b) Determine the maximum emf in the alternator.
V](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2b659566-a2ad-4ea7-b4ee-c67667eae8be%2F219ae3cb-f761-424c-8506-8cd6a08a85bc%2F4kue7k5_processed.png&w=3840&q=75)
Transcribed Image Text:In a 220-turn automobile alternator, the magnetic flux in each turn is = 2.50 × 10-4 cos wt, where is in webers, w is the angular speed of the alternator, and t is in
B
B
seconds. The alternator is geared to rotate two times for each engine revolution. The engine is running at an angular speed of 1.00 × 10³ rev/min.
(a) Determine the induced emf in the alternator as a function of time. (Assume & is in V.)
8 = 11.5
X
(b) Determine the maximum emf in the alternator.
V
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