B.TechSemester 32022-23Electronics EngineeringKOE-038

Electronics Engineering (KOE-038) - AKTU Question Paper 2022-23

B.Tech · Semester 3 · Free PDF Download

This is the official AKTU Electronics Engineering Previous Year Question Paper for B.Tech Semester 3, academic session 2022-23. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech

Semester:Semester 3

Session:2022-23

University:AKTU / UPTU

Rate this paper

Questions Asked in 2022-23

Electronics Engineering (KOE-038) — complete question paper

Section AAttempt all questions in brief. 2 x 10 = 20

a
What is doping? Why it is needed
b
What is diode capacitance
c
What is dark current in tunnel diode
d
Can Zener diode operate in forward biased? If no why
e
For an N-channel JFET, if IDSS ൌ 9 mA and VP ൌ െ6 V, calculate ID at VGS ൌ െ4 V
f
How op-amp can work as voltage follower circuit
g
In which mode can BJT work as a switch
h
What is CMRR in op-amp? What does it determine (i) What is advantage of Digital meter over analog meter (j) What is Lissajous pattern in CRO? Why it is used

Section BAttempt any three of the following: 10x3=30

a
Draw V-I characteristic of conventional P-N diode and show the e f f e c t o f temperature on this curve
b
With a neat circuit diagram and waveforms, explain the working of center- tapped full-wave rectifier. Show that efficiency of full-wave rectifier is 81%
c
Draw CE transistor characteristic curve? Why CE is most popula r configuration technique list it comparison
d
Derive output voltages for Integrator, Differentiator and Subt ractor along with the circuit diagram using op-amp
e
Explain construction and workin g of DMM with proper block diagram

Section CAttempt any one part of the following: 10x1=10

a
For the circuit shown calculate the output voltage, for red led the voltage drop is
b
Explain Voltage Doubler Circuit and their types with a neat sk etch? What is Diode current equation?
a
Explain what is tunnel diode and varactor diode along with thei r V-I characteristics curve. List application of both
b
For the circuit shown determine the output voltage
a
Determine Q point value if β=200,Vce=8V, RB=320K, RC=4K
b
Explain construction and working of N channel depletion MOSFET? D r a w t h e drain characteristic curve?
a
Design an adder circuit using op-amp to obtain an output volta ge of Vo = −[0.1V1 + 0.5V2 + 2V3], where V1, V2 and V3 are input voltages. Draw the circuit diagram
b
For the op-amp shown determine Vo1 and Vo2.Also write the func tion of each op-amp
a
Explain in brief along with block diagram of Ramp type digital voltmeter using waveform?
b
E x p l a i n C R O w i t h a n e a t s k e t c h ? H o w i t c a n b e u s e d t o m e a s u r e frequency and phase determine?

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.

Electronics Engineering — Other Year Papers

AKTU Electronics Engineering PYQs from other sessions

Electronics Engineering2021-22 Electronics Engineering2023-24 Electronics Engineering2021-22 Electronics Engineering2022-23 Electronics Engineering2023-24 Electronics Engineering2024-25

More B.Tech Semester 3 (2022-23) Papers

Other subjects from same semester and session

Computer Organization And Architecture2022-23 Fluid Mechanics And Fluid Machines2022-23 Energy Science And Engineering2022-23 Fluid Mechanics2022-23 Electronic Devices2022-23 Mathematics Iv2022-23 Computer System Security2022-23 Engineering Mechanics2022-23

View all B.Tech Semester 3 2022-23 papers →

Syllabus & More PYQs

Paper solve karne se pehle unit-wise syllabus dekh lo

AKTU 2nd Year PYQs — All Branches