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Semiconductor Electronics Questions

Practice 18 Semiconductor Electronics questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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18
Total Questions
๐ŸŸข
10
Easy
๐ŸŸก
7
Medium
๐Ÿ”ด
1
Hard
Practice by Exam:Physics(16)PHYSICS(2)

About Semiconductor Electronics โ€” practice questions, PYQs & concepts

Semiconductor Electronics is a frequently-tested topic on Physics, PHYSICS. ExamTest.live currently lists 18 Semiconductor Electronics 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.

Semiconductor Electronics weight in competitive exams

Across our Semiconductor Electronics question bank, the largest sources are Physics (16) and PHYSICS (2). Click any exam chip above to drill down to that exam-specific question set.

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  • Start easy: 10 easy Semiconductor Electronics questions are available โ€” build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
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All Semiconductor Electronics Questions(1โ€“18 of 18)

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Q1easymcqPhysicsNEET (UG) 20172026
0% accuracy
Two NOT gates are connected to the inputs of a NOR gate. The given electrical network is equivalent to:
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Q2easymcqPhysicsNEET (UG) 20172026
0% accuracy
Which one of the following represents forward bias diode?
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Q3mediummcqPhysicsNEET (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:
Q4mediummcqPhysicsAIEEE 20062026
0% accuracy
The circuit has two oppositely connected ideal diodes in parallel. What is the current flowing in the circuit?
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Q5easymcqPhysicsAIEEE 20062026
0% accuracy
In the following, which one of the diodes is reverse biased?
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Q6mediummcqPhysicsAIEEE 20062026
0% accuracy
If the lattice constant of a semiconductor is decreased, then which of the following is correct?
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Q7mediummcqPhysicsAIEEE 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:
Q8hardmcqPhysicsAIEEE 20062026
0% accuracy
If the ratio of the concentration of electrons to that of holes in a semiconductor is and the ratio of currents is , then what is the ratio of their drift velocities?
Q9easymcqPhysicsAIEEE 20062026
0% accuracy
A solid which is transparent to visible light and whose conductivity increases with temperature is formed by:
Q10mediummcqPhysicsAIEEE 20092026
A p-n junction () shown in the figure can act as a rectifier. An alternating current source () is connected in the circuit.ShutterstockThe output voltage across the resistor is best represented by:
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Q11easymcqPhysicsNEET 2020 E12026
For the logic circuit shown (two NAND gates), the truth table is:
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Q12easymcqPhysicsNEET 2020 E12026
For transistor action, which of the following statements is correct?
Q13easymcqPhysicsNEET 2020 E12026
The increase in the width of the depletion region in a p-n junction diode is due to:
Q14mediummcqPHYSICSNEET 20192026
An LED is constructed from a p-n junction diode using . The energy gap is . The wavelength of the light emitted will be equal to:
Q15easymcqPHYSICSNEET 20192026
The circuit diagram shown here corresponds to the logic gate:
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Q16easymcqPhysicsNEET (UG) 20182026
In the combination of logic gates, where inputs and are fed into two NAND gates whose outputs are then fed into a third NAND gate, the output can be written as:
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Q17easymcqPhysicsNEET (UG) 20182026
In a p-n junction diode, change in temperature due to heating:
Q18mediummcqPhysicsNEET (UG) 20182026
In the circuit shown in the figure, the input voltage is , and . If and , the values of and are given by:
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Frequently Asked Questions

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We have 18 Semiconductor Electronics questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
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Which exams include Semiconductor Electronics questions?โ–ผ
Semiconductor Electronics questions are commonly asked in Physics, PHYSICS. You can filter by exam using the links above.
How do I practice Semiconductor Electronics 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.