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Electronic Devices question

2024 · 8 Apr · Shift 2 · Q84
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Electronic Devices question

2024 · 8 Apr · Shift 2 · Q84

JEE MainPhysicsElectronic DevicesNumerical+4 / −1
A potential divider circuit is connected with a dc source of 20 V20 \mathrm{~V}20 V, a light emitting diode of glow in voltage 1.8 V1.8 \mathrm{~V}1.8 V and a zener diode of breakdown voltage of 3.2 V3.2 \mathrm{~V}3.2 V. The length (PR) of the resistive wire is 20 cm20 \mathrm{~cm}20 cm. The minimum length of PQ to just glow the LED is ‾cm\underline{\hspace{2cm}}\mathrm{cm}​cm. JEE Main 2024 (Online) 8th April Evening Shift Physics - Semiconductor Question 24 English
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