In a 280-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. Thealternator is geared to rotate two times for each engine revolution. The engine is running at an angular speed of 1.00 x 10° rev/min.(a) Determine the induced emf in the alternator as a function of time. (Assume E is in V.)E = (21.98V)sin(314t)(b) Determine the maximum emf in the alternator.21.98X V

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