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Sinusoidal AC

An ac generat...

Question

An ac generator produced an output voltage E = 170 sin 377 t volts, where t is in seconds. The frequency of ac voltage is

50 Hz

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110 Hz

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60 Hz

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230 Hz

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Solution

The correct option is C 60 Hz
$2 π v = 377 \Rightarrow v = 60.03 H z$

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