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

200

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100

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280

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Solution

The correct option is C
If half wave rectifier the output voltage is the RMS voltage
$= \frac{V_{o}}{\sqrt{2}} = \frac{200}{\sqrt{2}}$

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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