Physics Current Electricity Resistance, Voltage, Potential Deffirence, Current MCQ (Single Correct)

In the circuit given below, V(t) is the sinusoidal voltage source, voltage drop V AB (t) across the resistance R is

A
Is half wave rectified
B
Is full wave rectified
C
Has the same peak value in the positive and negative half cycles
D
Has different peak values during positive and negative half cycle

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The correct answer is:
D

In positive half cycle one diode is in forward biasing and other is in reverse biasing while in negative half cycle their polarity reverses, and direction of current is opposite through R for positive and negative half cycles so out put is not rectified. Since R 1 and R 2 are different hence the peaks during positive half and negative half of the input signal will be different.

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