NEET UG 2019 · Physics · Question 18
NEET 2019 Physics, question 18
Question 18 of the NEET 2019 paper (code P1) is a Physics question from Semiconductor Electronics: Materials, Devices and Simple Circuits. Its idea, Intrinsic and Extrinsic Semiconductors, was asked twice, in 2019 and 2021, across NEET 2017–2026. The NTA final answer key gives option 2.
Updated 2026-10-08
Q18 · Physics
For a p-type semiconductor, which of the following statements is true ?
- 1Electrons are the majority carriers and trivalent atoms are the dopants.
- 2Holes are the majority carriers and trivalent atoms are the dopants.Official answer
- 3Holes are the majority carriers and pentavalent atoms are the dopants.
- 4Electrons are the majority carriers and pentavalent atoms are the dopants.
Official answer: option 2 · NTA final answer key
Same idea
Intrinsic and Extrinsic Semiconductors, in other papers
NEET asked this idea twice, in 2019 and 2021. The other question below.
- 2021 Q21The electron concentration in an n-type semiconductor is the same as hole concentration in a p-type semiconductor. An external field…One-line MCQ · Medium
Intrinsic and Extrinsic Semiconductors: 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.