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
12 Apr 2023, Shift 1 · Q49In an n-p-n common emitter (CE) transistor the collector current changes from 5 mA to 16 mA for the change in base current from 100 $\mu$ A…EasySingle correct
13 Apr 2023, Shift 1 · Q59From the given transfer characteristic of a transistor in CE configuration, the value of power gain of this configuration is $10^x$ , for…MediumNumerical valueHas a figure
26 Jul 2022, Shift 2 · Q56The typical transfer characteristics of a transistor in CE configuration is shown in figure. A load resistor of 2 $k\Omega$ is connected…MediumNumerical valueHas a figure
27 Jul 2022, Shift 2 · Q49For a constant collector-emitter voltage of 8 V, the collector current of a transistor reached to the value of 6 mA from 4 mA, whereas…EasySingle correct
28 Jul 2022, Shift 2 · Q19An n.p.n transistor with current gain $\beta$ = 100 in common emitter configuration is shown in figure. The output voltage of the…MediumSingle correctHas a figure

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 108 of the 174 JEE Main shifts held from 2017 to 2026.