B.TechSemester 12021-22Emerging Domain In Electronics EngineeringKEC-101T

Emerging Domain In Electronics Engineering (KEC-101T) - AKTU Question Paper 2021-22

B.Tech · Semester 1 · Free PDF Download

This is the official AKTU Emerging Domain In Electronics Engineering Previous Year Question Paper for B.Tech Semester 1, academic session 2021-22. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech

Semester:Semester 1

Session:2021-22

University:AKTU / UPTU

Rate this paper

Questions Asked in 2021-22

Emerging Domain In Electronics Engineering (KEC-101T) — complete question paper

Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 10 = 20

a
What do you mean by the term doping? Why it is required? 2 1
b
List any two advantages of modulation. 2 3
c
Evaluate: (637) 9 = (?)5 2 2
d
Draw the VI characteristics of an ideal diode in forward and r everse bias conditions
e
State two differences between mic roprocessor and microcontroller. 2 3
f
Why bridge type full wave rectifier is preferred over center t apped full wave rectifier. State two reasons
g
State two differences between FET and BJT. 2 4
h
Differentiate between avala nche and zener breakdown. 2 1 i. Find 1’s and 2’s comp lement of : 1101001 2 2 j. State the basic difference betw een Bluetooth and Wi-Fi technology. 2 2

Section BAttempt any three o f t h e f o l l o w i n g :

a
(i) With help of neat circuit diagrams, explain the working of a full wave bridge rectifier. (ii) Define the term ripple factor. What is the value of the ri pple factor for a half wave rectifie r and a full wave rectifier?
b
(i) With help of a neat diagram, explain the working of a vo ltage doubler circuit. (ii) Write a short note on varactor diode
c
For the circuit shown below, determine the value of maximum and minimum zener diode current
d
(i) What are liquid crystal displays? Explain their working with help of a neat diagram. (ii) Determine the output waveform of the followin
g
circuit, 3+7 4 AKTU_ AKTU_
e
(i) Determine the output wavef orm of the following circuit, by presenting all the necessary calculations which have been done to determine this output. (ii) Derive the relationship between current amplification fact or for Common Emitter and Common Base c onfiguration of a bipolar junct ion transistor

Section CAttempt any one p a r t o f t h e f o l l o w i n g :

a
Describe the construction of a npn bipolar junction transistor. Draw well labeled input and output charact eristics of a npn transistor in Common Emitter Configuration. Also mark all the regions of operation
b
Give the basic difference between an enhancement and depleti on type MOSFET. Discuss the construction of a n channel depletion type MOSFET. Also draw its transfer and drain characteristics
a
(i) What is an operational amplifier? Draw its block diagram . Write the characteristics of an ideal operational amplifier. (ii) With help of the circuit di agram, explain the working of O PAMP as differentiator
b
(i) What do you mean by IOT? Di scuss its various components. (ii) Define the following terms: (1) CMRR (2) Peak Inverse Voltage
a
Simplify the followi ng function using K map Also implement the simplified function using basic gates only
b
By showing all the calc ulations, do as directed: (i) For a boolean function of 4 variables, ∑(3,7,11,14,15) = Π(?) 10 2 AKTU_ AKTU_ (iii) (231.36)10 = (?)2
a
(i) What do you mean by ampl itude modulation? Explain with h elp of proper waveforms. (ii) AM radio transmitter radi ates 6 KW power when modulation percenta ge is 70 %. Determine the carrier power
b
(i) Write a short note on sa tellite communication system. (ii) Differentiate between CDMA and GSM?
a
(i) What are universal gate s? Why are they called so? (ii) Implement XOR gate using NAND gate only
b
Determine the output for the following circuits: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

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.

Emerging Domain In Electronics Engineering — Other Year Papers

AKTU Emerging Domain In Electronics Engineering PYQs from other sessions

Emerging Domain In Electronics Engineering2021-22

More B.Tech Semester 1 (2021-22) Papers

Other subjects from same semester and session

Programming For Problem Solving2021-22 Basic Of Electrical Engineering2021-22 Artificial Intelligence For Engineers2021-22 Engineering Physics2021-22 Fundamentals Of Mechanical Engineering Mechatronics2021-22 Engineering Mathematics I2021-22 Engineering Chemistry2021-22 Soft Skills I2021-22

View all B.Tech Semester 1 2021-22 papers →

Syllabus & More PYQs

Paper solve karne se pehle unit-wise syllabus dekh lo

AKTU 1st Year PYQs — All Branches