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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