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  4. In the given circuit the input voltage V text in is shown in figure. The cut-in voltage of p - n junction diode ( D 1. or D 2 ) is 0.6 V. Which of the following output voltage ( V 0) waveform across the diode is correct?

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Q. In the given circuit the input voltage $V_{\text {in }}$ is shown in figure. The cut-in voltage of $p - n$ junction diode $\left( D _{1}\right.$ or $D _{2}$ ) is $0.6 \,V$. Which of the following output voltage $\left( V _{0}\right)$ waveform across the diode is correct?Physics Question Image

JEE MainJEE Main 2022Semiconductor Electronics: Materials Devices and Simple Circuits

Solution:

In +ve half cycle
$D _{1} \rightarrow \text { F.B.; } D _{2} \rightarrow \text { R.B. } $
$0-0.6\, V $
$V _{\text {out }} $ same as $V _{\text {in }} $
In -ve half cycle
$ D _{2} \rightarrow \text { F.B.; } D _{1} \rightarrow \text { R.B. }$