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

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