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NEET Exam  >  NEET Test  >  NCERT Based Tests  >  Test: Applications of Transistors - NEET MCQ

Applications of Transistors - Free MCQ Practice Test with solutions, NEET


MCQ Practice Test & Solutions: Test: Applications of Transistors (10 Questions)

You can prepare effectively for NEET NCERT Based Tests for NEET with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Applications of Transistors". These 10 questions have been designed by the experts with the latest curriculum of NEET 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 10 minutes
  • - Number of Questions: 10

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Test: Applications of Transistors - Question 1
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Which of the following is not an ac parameter of a transistor?

Detailed Solution: Question 1

Input resistance, Output resistance and Current amplification factor are ac parameters of a transistor.

Test: Applications of Transistors - Question 2
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What is the voltage gain in a common emitter, where input resistance is 3Ω and the load resistance is 24Ω, β = 0.6​

Detailed Solution: Question 2

Voltage gain   =β× (Rc​​/Rb​)
Or,   Voltage gain =0.6×(24/3)​=4.8

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Test: Applications of Transistors - Question 3
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An oscillator is nothing but an amplifier with:

Detailed Solution: Question 3

An oscillator is an electronic circuit that converts DC from a power supply to an AC signal. An oscillator produces a periodic and oscillating signal. An oscillator is like an amplifier that gives positive feedback to the circuit. Positive feedback means that a portion of output is combined in phase with the input.

Test: Applications of Transistors - Question 4
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The output characteristic for a common emitter transistor is shown in the given figure.

Use the graph to find out the current amplification factor for the transistor when VCE = 2 V.​

Detailed Solution: Question 4

Test: Applications of Transistors - Question 5
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The power amplification for a common emitter (CE) amplifier is 22110. Its current gain is 67 and internal resistance is 200 ohm. What is the value of the of the output resistance?​

Detailed Solution: Question 5

Test: Applications of Transistors - Question 6
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A common emitter (CE) amplifier has a current gain of 49. The voltage drop across the collector terminal is 1.8 V. The collector resistance is 2.2 kilo-ohm. What is the base current in the CE amplifier?​

Detailed Solution: Question 6

Given,
Current gain(B)=4g
Voltage drop across terminal
Collector=1.8v
Collector resistance=2.2kΩ
Collector current=1.8/2.2x103
Current gain=△IC/△IB
△IB=1.8/2.2x103x4g
(D)△IB=1.67x10-5 A

Test: Applications of Transistors - Question 7
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Which of the following relations correctly shows the value of current amplification factor at a constant collector-emitter voltage?

Test: Applications of Transistors - Question 8
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Transistors are useful in equipments such as hearing aids and small radio receivers because transistors :

Detailed Solution: Question 8

Transistors consume very less energy and are therefore used in these equipment because these equipment don't have space for big power source.

Test: Applications of Transistors - Question 9
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The input voltage applied to a cascaded amplifier (consisting of two amplifiers) is 0.02 V and the output voltage is 6 V. The voltage gain of one of the two amplifiers is 10. What is the voltage gain of the other amplifier?​

Detailed Solution: Question 9

Test: Applications of Transistors - Question 10
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In a common base transistor circuit, the current gain is 0.98. On changing emitter current by 5 mA, the change in collector current is​

Detailed Solution: Question 10

Given, That the current gain is 0.98
The change in emitter current is Ie​=5mA
Therefore, the change in collector current is Ic​=0.98×Ie​=0.98×5=4.9mA
Therefore, the correct option is C.

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About this NEET Practice Test

This test contains 10 MCQs on Applications of Transistors with detailed solutions for each question. It is part of the NCERT Based Tests for NEET course on EduRev, designed to align with the current NEET syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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