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Question

If in a pn junction, a square input signal of 10 V is applied, as shown, then the output across RL will be


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 A
When the voltage is 5 V, the diode is reverse biased and the voltage across the resistor will be zero as current will be zero.

And when the voltage is 5 V, the diode is forward biased, the voltage across will be the same as the input voltage.

Hence, (A) is the correct answer.

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