Diode Circuits MCQs
Practice free Diode Circuits multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 177 questions — no login required.
Question 28easy
A semi-conductor diode when tested with ohmeter gives low value of R in both directions, hereforeit can be concluded that
Question 29easy
The depletion or space-charge region in a junction diode contains charges that are
Question 30easy
As compared to mercury arc rectifiers, mental rectifiers
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Question 31easy
A full wave rectified sine wave is clipped such that the effective value is 0.5 ym. The amplitude at which the waveform is clipped, will be
Question 32easy
If the effective value of half-wave rectified sine wave is 20. The average value of the wave will be
Question 33easy
A voltage function is given by v(t) = 100 + 25 sin 3 cot + 10 sin 5 cot volts The RMS value will be
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Question 34easy
The dc output voltage drops from 48 V with no load to 46 V at full load. The percentage load regulation is
Question 35easy
In a power supply with normal ac input if there is no V+ output, the trouble could be with
Question 36easy
Excessive hum in a power supply could be due to