JEE Main - Previous Year Papers JEE MAIN 2026 JEE Mains 22 January 2026 Paper Shift -1 Single Correct MCQ
Published on: August 14, 2026

Find the correct combination of A, B, C and D inputs which can cause the LED to glow.

A
0100
B
0011
C
1000
D
1101

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Text Solution

Verified by Experts
The correct answer is:
D

LED will glow in forward biasing :
P higher potential - 1
Q lower potential - 0

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