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Alternating Current and Voltage

Q1:
The frequency of the repetitive pulse waveform in the given circuit equals ___.

A 500 Hz

B 50 Hz

C 100 Hz

D 125 Hz

ANS:C - 100 Hz

Ton = 2ms(given).
2Toff + 2Ton = 20mS(given).

Hence, Toff = 8mS.
Ton + Toff = 10mS.
then f=1/10mS = 100Hz.



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