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JEE Main Physics Class 12 Electronic Devices Part 2 Questions

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Question : 8

Total: 111

A potential divider circuit is connected with a dc source of 20V, a light emitting diode of glow in voltage 1.8V and a zener diode of breakdown voltage of 3.2V. The length (PR) of the resistive wire is 20‌cm. The minimum length of PQ to just glow the LED is ............. cm.

[8 Apr 2024 Shift 2]

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