In a model AC generator, a 503 turn rectangular coil 5.0 cm by 21 cm rotates at 120 rev/min in a uniform magnetic field of 0.59 T.
(a) What is the maximum emf induced in the coil?
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(b) What is the instantaneous value of the emf in the coil at t = (pi/38) s? Assume that the emf is zero at t = 0.
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(c) What is the smallest value of t for which the emf will have its maximum value?
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