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  4. In the circuit shown below, maximum zener diode current will be Ma

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Q. In the circuit shown below, maximum zener diode current will be ______$Ma$Physics Question Image

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

Solution:

Consider input $120\,V$
image
$I=\frac{(120-60) V }{4000 \Omega}=0.015\, A$
Thus $ I _2= I - I _{ L }$
$=0.015-0.006=0.009\, A =9 \,mA$