NEET UG · Physics · Semiconductor Electronics: Materials, Devices and Simple Circuits

Intrinsic and Extrinsic Semiconductors

NEET asked Intrinsic and Extrinsic Semiconductors twice, in 2019 and 2021: 2 of the 1,875 questions in the 10 papers from 2017–2026. It belongs to Semiconductor Devices, in Semiconductor Electronics: Materials, Devices and Simple Circuits (Physics). The longest wait between two papers asking it was 2 years.

Updated 2026-10-08

Times asked: 2; in 2017–2026
Papers: 2; of 10
First asked: 2019; last in 2021
Chance next paper: 6%; calibrated historical rate

Questions on this idea, by paper

2017–2026. 2019 and 2021.

How NEET framed it

One-line MCQ is the usual form. Skill tested: concept.

Compare currents in n-type and p-type
True statement selection on p-type semiconductor

Chance asked next paper 6%

Every question

All 2 questions

From the official NEET UG papers, newest first. Open one for the full question, the options and the official answer.

2021 Q 21 The electron concentration in an n-type semiconductor is the same as hole concentration in a p-type semiconductor. An external field\dots One-line MCQ \cdot Medium 2019 Q 18 For a p-type semiconductor, which of the following statements is true ? One-line MCQ \cdot Easy

Papers: NEET 2019, NEET 2021.

Same topic

Other ideas in Semiconductor Devices

Semiconductor Devices has 7 ideas NEET has asked; 6 of them came up in more than one question.

p-n Junction: Depletion Region and Biasing4× · 2026
Rectifiers and Filters3× · 2025
Bipolar Junction Transistor3× · 2020
Zener Diode as Voltage Regulator2× · 2026
Photodiodes, LEDs and Solar Cells2× · 2024
p-n Junction V-I Characteristicsonce · 2018

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