Advance Semiconductor Device (KEC056) - AKTU Question Paper 2023-24
B.Tech · Semester 5 · Free PDF Download
This is the official AKTU Advance Semiconductor Device Previous Year Question Paper for B.Tech Semester 5, academic session 2023-24. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.
Course:B.Tech
Semester:Semester 5
Session:2023-24
University:AKTU / UPTU
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Questions Asked in 2023-24
Advance Semiconductor Device (KEC056) — complete question paper · 100 marks · 3 Hours
Section AAttempt all q u e s t i o n s i n b r i e f .
- aWhat is Non-uniform Doping? 2 1
- bExplain Depletion Region 2 1
- cEnumerate the special features of MESFETs. 2 2
- dWhat is the pinch-off voltage in a JFET? 2 2
- eWhat is meant by resonant tunneling? 2 3
- fWhat do you mean by tunneling? 2 3
- gWrite the differences between Transistor and Thyristor. 2 4
- hList the advantages of Laser devices 2 4 i. Define Chemical Sensors. 2 5 j. What is the photodiode? 2 5
Section BAttempt any three o f t h e f o l l o w i n g :
- aDiscuss the operation of SCR with latching and holding current in detail. Also discuss the operation, application and symbol of tunnel and zener diode
- bDiscuss the operation of N channel JFET with the condition of p inch-off. Deduce the result of transconductance of this amplifier
- cDraw and explain the working principle of TRAPATT diode. 10 3
- dExplain Radioactive Transitions. What is the difference between power devices and conventional semiconductor devices?
- eExplain the working principle of photo detector. And also expla in the solar cell with input output characteristics
Section CAttempt any one p a r t o f t h e f o l l o w i n g :
- aExplain n-type and p-type semiconductor with example. Define an d derive the expression for minority carrier life time
- bDerive the expression for Conductivity and Mobility and the exp ression for Diffusion of carriers in semiconductors
- aExplain Basic Structures and the Operating Principle with I-V C haracteristics of MOSFET
- bDefine and derive the expression for the threshold voltage for MOS transistor. What are the factors which affect it?
- aExplain IMPATT Diode and it’s working. What is Transferred electron Mechanism? 10 3
- bWhat is tunneling phenomenon? Explain the V-I characteristics o f Tunnel diode. Discuss the semiconductor materia l required for its fabrication . How do they differ from conventional semiconductor?
- aWhat do you understand by thyristors? Draw and explain the V-I characteristics of a thyristor
- bWhat is Light emitting diode? Explain its working principle. Wh at are the materials used in LED? Explain its uses
- aDiscuss the phenomenon of photoconductivity in detail with its examples and applications
- bExplain the principle of operation, storage, and transfer of ch arge in basic charge coupled device (CCD)
Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.
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