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  4. The zener diode has a Vz=30V. The current passing through the diode for the following ciruit is mA . <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-zzcefw5srmzb6p4o.jpg />

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Q. The zener diode has a $V_{z}=30V.$ The current passing through the diode for the following ciruit is __________ $mA$ .
Question

NTA AbhyasNTA Abhyas 2022

Solution:

Solution
$I=\frac{90 - 30}{4}=15mA$
$I_{I}=\frac{30}{5 K \Omega}=6mA$
$I_{2}=15mA-6mA=9mA$