First slide

Application of p-n junction diode rectifier

Question

A sinusoidal voltage of peak value 200 volt is connected to a diode and resistor R in the circuit shown so that half wave rectification occurs. If the forward resistance of the diode is negligible compared to R, the rms voltage (in volt) across R is approximately

Moderate

A

200
B

100
C

$\frac{200}{\sqrt{2}}$
D

280

Solution

$V_{rms} = \frac{V_{o}}{2} = \frac{200}{2} = 100 V$

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