55. Electric Generator The graph shows an oscilloscope reading of the variation in voltage of an AC current produced by a simple generator. (a) Find the maximum voltage produced. (b) Find the frequency (cycles per second) of the generator. (c) How many revolutions per second does the armature in the generator make? (d) Find a formula that describes the variation in voltage as a function of time. 50- 0.1 (s) -50 (volts);

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