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Semiconductor PYQs - Last 5 Years

JEE Main / Physics / Modern Physics / 117 recent questions

PhysicsModern Physics2022-2026
All Semiconductor PYQsLast 10 YearsCreate chapter test

Practice 117 JEE Main Physics questions from Semiconductor. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.

117
PYQs on Page
Physics / Modern Physics
2022-2026
Year Range
Based on indexed question metadata
117
Last 5 Years
2022-2026
117
Last 10 Years
2017-2026

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Question Types

117PYQs
MCQ83.8%
INTEGER16.2%

Difficulty Mix

#1 Easy86
#2 Medium31
117 in last 5 years117 in last 10 years

Last 5 Years Semiconductor Questions

Showing 17 of 117 filtered questions.

1Electronic Devices
The cut-off voltage of the diodes (shown in figure) in forward bias is 0.6 V. The current through the resister of 40 \(\Omega\) is __________ mA.
INTEGER+4 / -12022
2Electronic Devices
For a transistor to act as a switch, it must be operated in
MCQ+4 / -12022
3Electronic Devices
A logic gate circuit has two inputs A and B and output Y. The voltage waveforms of A, B and Y are shown below.

The logic gate circuit is :
MCQ+4 / -12022
4Electronic Devices
For a constant collector-emitter voltage of \(8 \mathrm{~V}\), the collector current of a transistor reached to the value of \(6 \mathrm{~mA}\) from \(4 \mathrm{~mA}\), whereas base current changed from \(20 \,\mu \mathrm{A}\) to $$25 \,\mu...
MCQ+4 / -12022
5Electronic Devices
As per the given circuit, the value of current through the battery will be ____________ A.
INTEGER+4 / -12022
6Electronic Devices
The I-V characteristics of a p-n junction diode in forward bias is shown in the figure. The ratio of dynamic resistance, corresponding to forward bias voltage of 2 V and 4 V respectively, is :
MCQ+4 / -12022
7Electronic Devices
The positive feedback is required by an amplifier to act an oscillator. The feedback here means :
MCQ+4 / -12022
8Electronic Devices
In the circuit shown below, maximum zener diode current will be _________ \(\mathrm{mA}\).
INTEGER+4 / -12022
9Electronic Devices
The typical transfer characteristics of a transistor in CE configuration is shown in figure. A load resistor of \(2 \,k \Omega\) is connected in the collector branch of the circuit used. The input resistance of the transistor is $$0.50 \,\m...
INTEGER+4 / -12022
10Electronic Devices
The photodiode is used to detect the optical signals. These diodes are preferably operated in reverse biased mode because :
MCQ+4 / -12022
11Electronic Devices
In an experiment of CE configuration of n-p-n transistor, the transfer characteristics are observed as given in figure.
If the input resistance is 200 \(\Omega\) and output resistance is 60 \(\Omega\), the voltage gain in this experiment wi...
INTEGER+4 / -12022
12Electronic Devices
Identify the logic operation performed by the given circuit:
MCQ+4 / -12022
13Electronic Devices
The energy band gap of semiconducting material to produce violet (wavelength = 4000\(\mathop A\limits^o\) ) LED is ______________ \(\mathrm{eV}\). (Round off to the nearest integer).
INTEGER+4 / -12022
14Electronic Devices
In the circuit, the logical value of \(A=1\) or \(B=1\) when potential at \(A\) or \(B\) is \(5 \mathrm{~V}\) and the logical value of \(A=0\) or \(B=0\) when potential at \(A\) or \(B\) is \(0 \mathrm{~V}\).

The truth table of the given c...
MCQ+4 / -12022
15Electronic Devices
Two ideal diodes are connected in the network as shown in figure. The equivalent resistance between A and B is __________ \(\Omega\).
INTEGER+4 / -12022
16Electronic Devices
A transistor is used in common-emitter mode in an amplifier circuit. When a signal of 10 mV is added to the base-emitter voltage, the base current changes by 10 \(\mu\)A and the collector current changes by 1.5 mA. The load resistance is 5 ...
INTEGER+4 / -12022
17Electronic Devices
In the given circuit, the value of current IL will be ____________ mA. (When RL = 1k\(\Omega\))
INTEGER+4 / -12022