Answer: Option A. 25%
A pulse waveform has a high time of 8 ms and a pulse width of 32 ms. The duty factor is given by 25%.
Duty factor= On-time period or high period/Time period of pulse width = Ton/(Ton+Toff)
Given data is,
High period = 8 ms
Time period of pulse = 32 ms
Duty factor= 8 ×10-3/32 ×10-3=0.25=25%
∴The duty factor is 25%.
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