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  4. If in a p-n junction diode, a square input signal of 10 V is applied as shown <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-4pvlp9rfi3y9zqoz.jpg /> Then the output signal across RL will be

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Q. If in a $p-n$ junction diode, a square input signal of $10 \, V$ is applied as shown
Question
Then the output signal across $R_{L}$ will be

NTA AbhyasNTA Abhyas 2022

Solution:

We know that, an ideal diode operates only in forward bias condition and does not conduct any current in reverse biased condition.
So, the current will flow only for the upper half cycle of input voltage and the output signal will be as shown:
Solution
The current will flow through $R_{L}$ when the diode is forward biased.