na 240-turn automobile alternator, the magnetic flux in each turn is g = 2.50 x 10 cos out, where is in webers, w is the angular speed of the alternator, and it is in seconds. The alternator is geared to rotate four 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.) 8= (b) Determine the maximum emf in the alternator.
na 240-turn automobile alternator, the magnetic flux in each turn is g = 2.50 x 10 cos out, where is in webers, w is the angular speed of the alternator, and it is in seconds. The alternator is geared to rotate four 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.) 8= (b) Determine the maximum emf in the alternator.
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Transcribed Image Text:In a 240-turn automobile alternator, the magnetic flux in each turn is = 2.50 x 10-4 cos wt, where is in webers, w is the angular speed of the alternator, and t is in seconds. The alternator is geared to rotate four 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
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