RE-NEET2026Physics-Semiconductors
RE-NEET 2026 Physics Diodes MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Three identical p-n junction diodes D₁, D₂ and D₃ are connected across a battery as shown in the figure. If the width of the depletion regions of D₁, D₂ and D₃ are W₁, W₂ and W₃, respectively, then the correct option is:

A
W₃ = W₁ > W₂
B
W₃ > W₂ > W₁
C
W₂ > W₁ = W₃
D
W₁ > W₂ > W₃
Correct Answer
Option A
Detailed Explanation
Diodes D₁ and D₃ are forward biased, reducing their depletion width, while D₂ is reverse biased, increasing its width.
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