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Transistors Questions

Practice 16 Transistors questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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16
Total Questions
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4
Easy
๐ŸŸก
11
Medium
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1
Hard
Practice by Exam:Physics(16)

About transistors โ€” practice questions, PYQs & concepts

transistors is a frequently-tested topic on Physics. ExamTest.live currently lists 16 transistors questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year โ€” every answer key is free, no sign-up required.

transistors weight in competitive exams

Across our transistors question bank, the largest sources are Physics (16). Click any exam chip above to drill down to that exam-specific question set.

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  • Start easy: 4 easy transistors questions are available โ€” build fluency before moving up.
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All Transistors Questions(1โ€“16 of 16)

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Q1mediummcqPhysicsNEET (UG) 20172026
0% accuracy
In a common emitter transistor amplifier the audio signal voltage across the collector is . The resistance of collector is . If current gain is and the base resistance is , the voltage and power gain of the amplifier is:
Q2mediummcqPhysicsAIEEE 20062026
0% accuracy
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:
Q3mediummcqPhysicsNEET 20172026
In a common emitter transistor amplifier the audio signal voltage across the collector is . The resistance of collector is . If current gain is and the base resistance is , the voltage and power gain of the amplifier is:
Q4mediummcqPhysicsNEET (UG) 20182026
In the circuit shown in the figure, the input voltage is , and . If and , the values of and are given by:
image
Q5easymcqPhysicsNEET 2020 E12026
For transistor action, which of the following statements is correct?
Q6easymcqPhysicsAIEEE2026
In a common base amplifier, the phase difference between the input signal voltage and output voltage is:
Q7mediummcqPhysicsPhysics
0% accuracy
A transistor is operated in common emitter configuration at such that a change in the base current from to produces a change in the collector current from to . The current gain is:
Q8mediummcqPhysicsPhysics
Consider an - - transistor amplifier in common-emitter configuration. The current gain of the transistor is . If the collector current changes by , what will be the change in emitter current?
Q9easymcqPhysicsPhysics
A transistor is operated in common-emitter configuration at such that a change in the base current from to produces a change in the collector current from to . The current gain is:
Q10mediummcqPhysicsPhysics
A common emitter amplifier has a voltage gain of , an input impedance of and an output impedance of . The power gain of the amplifier is:
Q11mediummcqPhysicsPhysics
In a CE (Common Emitter) transistor amplifier, the audio signal voltage across the collector resistance of is . If the base resistance is and the current amplification of the transistor is , the input signal voltage is:
Q12easymcqPhysicsPhysics
Transfer characteristics [output voltage() vs input voltage ()] for a base biased transistor in CE configuration is as shown in the figure. For using transistor as a switch, it is used:
image
Q13mediummcqPhysicsPhysics
In a CE amplifier, the transistor used has transconductance . If replaced with another having transconductance , the voltage gain becomes:
Q14mediummcqPhysicsPhysics
The input signal given to a CE amplifier having a voltage gain of is . The corresponding output signal will be:
Q15mediummcqPhysicsPhysics
A transistor is connected in common emitter configuration in a given amplifier. A load resistance of is connected in the collector circuit and the voltage drop across it is . If the current amplification factor is and the input resistance of the circuit is , the voltage gain and the power gain of the amplifier will respectively be:
Q16hardmcqPhysicsPhysics
For CE transistor amplifier, the audio signal voltage across the collector resistance of is . If the current amplification factor of the transistor is and the base resistance is , then the input signal voltage is:

Frequently Asked Questions

How many Transistors questions are on ExamTest.live?โ–ผ
We have 16 Transistors questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Transistors MCQs free?โ–ผ
Yes. All Transistors questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Transistors questions?โ–ผ
Transistors questions are commonly asked in Physics. You can filter by exam using the links above.
How do I practice Transistors questions effectively?โ–ผ
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.