# AC Fundamentals – 52

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52. A pulse waveform has a high time of 8 ms and a pulse width of 32 ms. The duty cycle is ________.

(a) 25%
(b) 50%
(c) 1%
(d) 100%

Explanation
Explanation :

Duty cycle = (high time / pulse width) * 100 = (8 ms / 32 ms) * 100 = 25%

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