Top 20 Questions of SCP (B-TECH 1st-2nd)
Most Repeated Questions
Top 20 Questions of Semi-Conductor and Physics
Previous year question paper with solutions for Top repeated questions of Semi-Conductor and Physics
PTU • B-TECH • 1st-2nd
Browse Top 20 questions of SCP (B-TECH 1st-2nd) previous year question papers for Top repeated questions of Semi-Conductor and Physics. This page helps SCP students find semester-wise papers for revision, exam practice, and understanding previous exam patterns. These are the top twenty repeated questions identified from previous year papers for SCP (B-TECH 1st-2nd), helping students focus on the most frequently asked topics.
Top repeated questions
Top 20-
1.
Derive an expression for the densities of electrons and holes in the conduction and valence bands respectively of an intrinsic semiconductor.
Appeared 4 times
Appeared in: May 2023, May 2020, Dec 2020, May 2019
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2.
How does a semiconductor laser differ from other laser? Explain main features of the semiconductor laser and its applications.
Appeared 4 times
Appeared in: May 2023, May 2020, Dec 2020, May 2019
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3.
Derive an expression for Fermi energy in an intrinsic semiconductor. What is the effect of temperature on Fermi level in an intrinsic semiconductor?
Appeared 4 times
Appeared in: May 2025, Dec 2024, Dec 2023
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4.
What is meant by the free-electrons gas model of metals?
Appeared 4 times
Appeared in: Dec 2024, Dec 2023, May 2019
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5.
What are the special features of Classical free electron theory of metals? Derive an expression for the electrical conductivity of a metal.
Appeared 4 times
Appeared in: May 2025, May 2024, Dec 2024
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