NEET UG 2022 · Physics · Question 23
NEET 2022 Physics, question 23
Question 23 of the NEET 2022 paper (code R1) is a Physics question from Semiconductor Electronics: Materials, Devices and Simple Circuits. Its idea, p-n Junction: Depletion Region and Biasing, was asked 4 times, in 2017, 2020, 2022 and 2026, across NEET 2017–2026. The NTA final answer key gives option 1.
Updated 2026-10-08
Q23 · Physics
[Figure: circuits (a), (b), (c)]
In the given circuits (a), (b) and (c), the potential drop across the two p-n junctions are equal in :
The figure, described in words
Three circuits, each with two p-n junction diodes in series across a battery: (a) PN ... PN, (b) PN ... NP, (c) NP ... NP.
- 1Both circuits (a) and (c)Official answer
- 2Circuit (a) only
- 3Circuit (b) only
- 4Circuit (c) only
Official answer: option 1 · NTA final answer key
Same idea
p-n Junction: Depletion Region and Biasing, in other papers
NEET asked this idea 4 times, in 2017, 2020, 2022 and 2026. The other 3 questions below.
- 2026 Q42Three identical p-n junction diodes , and are connected across a battery as shown in the figure. If the width of the…Figure-based · Medium
- 2020 Q153The increase in the width of the depletion region in a p-n junction diode is due to :One-line MCQ · Easy
- 2017 Q22Which one of the following represents forward bias diode ?Figure-based · Easy
p-n Junction: Depletion Region and Biasing: every question and how it was framed
The chapter
Semiconductor Electronics: Materials, Devices and Simple Circuits in ten years of NEET
27 questions from 2017–2026, asked in 10 of 10 papers, about 2.6 a paper. Semiconductor Devices alone had 17.