JEE-MAIN SERIES Physics
Transistors
4 previous year questions.
Volume: 4 Ques
Yield: Medium
High-Yield Trend
2
2023 2
2022 Chapter Questions 4 MCQs
01
PYQ 2022
medium
physics ID: jee-main
For a transistor to act as a switch, it must be operated in
1
Active region
2
Saturation state only
3
Cut-off state only
4
Saturation and cut-off state
02
PYQ 2022
medium
physics ID: jee-main
The typical transfer characteristics of a transistor in CE configuration is shown in figure. A load resistor of is connected in the collector branch of the circuit used. The input resistance of the transistor is . The voltage gain of the transistor is ________.
03
PYQ 2023
medium
physics ID: jee-main
Given below are two statements :
Statement I : In a typical transistor, all three regions emitter, base and collector have same doping level.
Statement II : In a transistor, collector is the thickest and base is the thinnest segment.
In the light of the above statements, choose the most appropriate answer from the options given below.
1
Both Statement I and Statement II are incorrect
2
Statement I is correct but Statement II is incorrect
3
Both Statement I and Statement II are correct
4
Statement I is incorrect but Statement II is correct
04
PYQ 2023
hard
physics ID: jee-main
In an n-p-n common emitter (CE) transistor the collector current changes from 5 m A to 16 mA for the change in base current from 100 Ξ A and 200 ΞA , respectively. The current gain of transistor is Options 1. 110 2. 0.9 3. 210 4. 9
1
0.9
2
9
3
110
4
210