Q.

A sinusoidal voltage of peak value 200 volt is connected to a diode and resistor 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

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a

2002

b

100

c

280

d

200

answer is B.

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Detailed Solution

Vrms=Vo2=2002=100 V

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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