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Q.
In the given circuit the current through Zener Diode is close to
NTA AbhyasNTA Abhyas 2020
Solution:
If we consider break down in zener diode, then potential across $R_{2}$ will be $10V$ and $R_{1}$ will be $2V.$
So current in $R_{2}$ will be $i_{2}=\frac{10}{1500}=\frac{2}{300}A$
and current in $R_{1}$ will be $i_{3}=\frac{2}{500}A$
$\Rightarrow i_{1} < i_{3},$ which is not possible
$\Rightarrow $ Potential difference across zener diode does not reach to break down voltage. So no current will flow through reverse biased zener diode.
