JEE MAIN - Physics (2021 - 26th February Evening Shift - No. 23)

The zener diode has a Vz = 30V. The current passing through the diode for the following circuit is ________ mA.

JEE Main 2021 (Online) 26th February Evening Shift Physics - Semiconductor Question 118 English
Answer
9

Explanation

JEE Main 2021 (Online) 26th February Evening Shift Physics - Semiconductor Question 118 English Explanation

$$I = {{90 - 30} \over 4} = 15mA$$

$${I_1} = {{30} \over {5K\Omega }} = 6mA$$

$${I_2} = 15mA - 6mA = 9mA$$

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