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JEE Main 2022 · 26 Jul · Shift 1, Physics question 60

In the circuit shown below, maximum zener diode current will be ______ mA.

Variable source (100 to 120) V in series with 4 kΩ, feeding a 60 V zener in parallel with a 10 kΩ load.
Answer and worked solution

Official answer: 9

At 120 V. I=120−604=15I=\frac{120-60}4=15 mA, load 6010=6\frac{60}{10}=6 mA, so Iz=9I_z=9 mA.

Answer: 9

Topics:Special diodes (LED, Zener, photodiode, solar cell)
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