Q.

In a certain digital waveform, the period is four times the pulse width. The duty cycle is ________.

A. 0%
B. 25%
C. 50%
D. 100%
Answer» B. 25%
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Discussion

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Naveen
2 years ago

Duty cycle is ratio of the pulse width to the period.
D = ( PW *100)/T
D = 100 * PW / 4 * PW = 100 / 4 = 25%
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