The waveform given below when applied to the following circuit will produce which of the following output waveform? Assume ideal diode configuration and R1=R2
A
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B
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C
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D
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Solution
The correct option is D The p-n junction will conduct only when it is forward biased i.e when -negative input voltage is fed to it. So it will conduct only for 3rd quarter part of signal shown and when it conducts, potential drop of 5 volt will be across both the resistors, so output voltage across R2 is 2.5 V. ∵Vo=−2.5V