JEE Main 2022 · PhysicsNumerical answerNumerical valueEasyCalculation

JEE Main 29 June 2022, Shift 1, Physics Q58

Question 58 of 90 in this shift, Physics question 28 of 30, Section B.

A transistor is used in an amplifier circuit in common emitter mode. If the base current changes by 100

\mu

A, it brings a change of 10 mA in collector current. If the load resistance is 2 k

\Omega

and input resistance is 1 k

\Omega

, the value of power gain is

x \times 10^4

. The value of

x

is ____________.

Official answer

NTA final key (2022 Session 1).

Chapter: Semiconductor Electronics: Materials, Devices and Simple Circuits
Topic: Transistors
Idea tested: CE Power Gain Formula

Same topic in other shifts

All Transistors questions

8 Apr 2023, Shift 2 · Q43For a given transistor amplifier circuit in CE configuration $V_{CC} = 1$ V, $R_C = 1$ k $\Omega$ , $R_b = 100$ k $\Omega$ and $\beta = 100$ .…EasySingle correctHas a figure
24 Jun 2022, Shift 1 · Q53A 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…EasyNumerical value
18 Mar 2021, Shift 1 · Q21An npn transistor operates as a common emitter amplifier with a power gain of $10^6$ . The input circuit resistance is 100 $\Omega$ and the…MediumNumerical value
6 Sep 2020, Shift 2 · Q25The output characteristics of a transistor is shown in the figure. When $V_{CE}$ is 10 V and $I_C = 4.0$ mA, then value of $\beta_{ac}$ is…MediumNumerical valueHas a figure
2 Apr 2017 (offline) · Q27In a common emitter amplifier circuit using an n-p-n transistor, the phase difference between the input and the output voltages will be :EasySingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.