An alternator is being synchronised to the power station bus bars whos – McqOptions

MCQOPTIONS

1.	An alternator is being synchronised to the power station bus bars whose frequency is 50 Hz. If the bulb of the synchroscope glows with maximum brightness, the frequency of the alternator is:
A.	50 Hz
B.	40 Hz
C.	55 Hz
D.	45 Hz
Answer» B. 40 Hz

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