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VITEEE SERIES
Physics

Transistors

20 previous year questions.

Volume: 20 Ques
Yield: Medium

High-Yield Trend

9
2023
8
2022
1
2019
1
2018
1
2012

Chapter Questions
20 MCQs

01
PYQ 2012
easy
physics ID: viteee-2
In a common emitter amplifier the input signal is applied across
1
anywhere
2
emitter-collector
3
collector-base
4
base-emitter
02
PYQ 2018
medium
physics ID: viteee-2
In a common emitter transistor amplifier and internal resistance of a transistor is Voltage amplification. The voltage amplification of amplifier will be
1
500
2
460
3
600
4
560
03
PYQ 2019
medium
physics ID: viteee-2
In a common base mode of a transistor, the collector current is for an emitter current of . The value of the base current amplification factor will be
1
2
3
4
04
PYQ 2022
hard
physics ID: viteee-2

A Carnot engine has an efficiency of 50%. If the temperature of the sink is reduced by , its efficiency increases by 30%. The temperature of the source will be:

1
166.7K
2
255.1K
3
266.7K
4
367.7K
05
PYQ 2022
easy
physics ID: viteee-2
The de Broglie wavelength of a proton and -particle are equal. The ratio of their velocities is:
06
PYQ 2022
easy
physics ID: viteee-2
If and represent the intensity of electric field and magnetizing field respectively, then the unit of will be:
07
PYQ 2022
easy
physics ID: viteee-2
If two soap bubbles of different radii are connected by a tube:
08
PYQ 2022
medium
physics ID: viteee-2
For a transistor, and are given as and . Then the correct relation between and will be:
1

2

3

4
09
PYQ 2022
medium
physics ID: viteee-2
An ideal gas is expanding such that . The coefficient of volume expansion of the gas is:
1

2

3

4
10
PYQ 2022
easy
physics ID: viteee-2

A particle of mass originally at rest is subjected to a force whose direction is constant but magnitude varies with time according to the relation
where and are constants. The force acts only for the time interval . The velocity of the particle after time is:

11
PYQ 2022
medium
physics ID: viteee-2

In the circuit shown in the figure, the total charge is and the voltage across capacitor is . Then the charge on capacitor is:
 

1

2

3

4
12
PYQ 2023
medium
physics ID: viteee-2

A square frame of side cm and a long straight wire carrying current are in the plane of the paper. Starting from close to the wire, the frame moves towards the right with a constant speed of m/s (see figure). The induced EMF at the time the left arm of the frame is at cm from the wire is: 
 

1

2

3

4

13
PYQ 2023
medium
physics ID: viteee-2
In YDSE, how many maximas can be obtained on a screen, including central maxima, on both sides of the central fringe if Å, Å?
1
2
2
5
3
3
4
1
14
PYQ 2023
medium
physics ID: viteee-2
A force is acting at a point . The value of for which angular momentum about the origin is conserved is:
1

2

3

4

15
PYQ 2023
hard
physics ID: viteee-2

Equipotential surfaces are shown in the figure. The electric field strength will be: 
 

1
V/m along X-axis
2
V/m along Y-axis
3
V/m at an angle with X-axis
4
V/m at an angle with X-axis
16
PYQ 2023
medium
physics ID: viteee-2
An -particle of 10 MeV collides head-on with a copper nucleus ( ) and is deflected back. The minimum distance of approach between the centers of the two is:
1
cm
2
m
3
m
4
cm
17
PYQ 2023
medium
physics ID: viteee-2
An electron (mass = kg, charge = C) moving with a velocity of m/s enters a magnetic field. If it describes a circle of radius m, then the strength of the magnetic field must be:
1
T
2
T
3
T
4
T
18
PYQ 2023
medium
physics ID: viteee-2
A given ray of light suffers minimum deviation in an equilateral prism . Additional prisms and of identical shape and of the same material as are now added as shown in the figure. The ray will now suffer:
\includegraphics[width=0.5\linewidth]{31.png}
1
Greater deviation
2
No deviation
3
Same deviation as before
4
Total internal reflection
19
PYQ 2023
medium
physics ID: viteee-2
The force between two short bar magnets with magnetic moments and whose centers are meters apart is 8 N when their axes are in the same line. If the separation is increased to , the force between them is reduced to:
1

2

3

4

20
PYQ 2023
medium
physics ID: viteee-2
A parallel plate air capacitor of capacitance is connected to a cell of emf and then disconnected from it. A dielectric slab of dielectric constant , which can just fill the air gap of the capacitor, is now inserted in it. Which of the following is incorrect?
1
The energy stored in the capacitor decreases times.
2
The change in energy stored is .
3
The charge on the capacitor is not conserved.
4
The potential difference between the plates decreases times.

About Transistors - VITEEE

Transistors is a vital chapter for VITEEE aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

Frequently Asked Questions

Why focus on Transistors PYQs?

Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.

How to best use this analysis?

Review the topic breakdown to see which sub-topics within Transistors carry the most weight. Then, tackle the questions iteratively to solidify your understanding.