B.TechSemester 12023-24Fundamentals Of Electronics EngineeringBEC101

Fundamentals Of Electronics Engineering (BEC101) - AKTU Question Paper 2023-24

B.Tech · Semester 1 · Free PDF Download

This is the official AKTU Fundamentals Of Electronics Engineering Previous Year Question Paper for B.Tech Semester 1, 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 1

Session:2023-24

University:AKTU / UPTU

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Questions Asked in 2023-24

Fundamentals Of Electronics Engineering (BEC101) — complete question paper · 70 marks · 3 Hours

Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 7 = 14

a
Explain the difference between the P-N junction diode and Light-Emitting diode
b
Why BJT is called a current controlled device? 2 2
c
What is the basic difference between JFET and MOSFET? 2 2
d
Add binary numbers (1110 .10 + 1011.11)2. 2 4
e
S i m p l i f y t h e B o o l e a n f u n c t i o n F = X Y + X Y/Z +YZ / using Boolean algebra
f
Explain the concept of vir tual ground in OP-Amp. 2 3
g
Write the two applications of S atellite communication. 2 5

Section BAttempt any three o f t h e f o l l o w i n g : 7 x 3 = 21

a
Define the static and dynamic r esistance of the Diode. Also differentiate between Transition and Diffusion capacitance
b
Draw and explain the working of the P-N-P Transistor in comm on-base (CB) configuration with its characteristic graphs
c
Define the common mode rejection ratio. Determine the output voltage of a differential ampl ifier for the input voltages of 300μV and 240μV. The differential gain is 5000 and the value of CMRR is 100
d
Perform the following as mentioned: (i) Convert (63.250)10 to binary number. (ii) Convert (10010.101)2 to decimal number. (iii) Convert (A6B.0F) 16 to octal number. (iv) Perform subtraction using 2s complement (111-1010)2. (v) Design AND, OR, and NOT gates using only NOR gates
e
Explain the need of modulati on in the communication system. 7 5

Section CAttempt any one p a r t o f t h e f o l l o w i n g : 7 x 1 = 7

a
Draw and explain the construction and working of N-channel J FET with characteristic graphs
b
Draw and explain the construction and working of P-channel D epletion MOSFET with characteristic graphs
a
Determine and draw the out put voltage of given network
b
Determine and draw the out put voltage of given network
a
Draw the circuit diagram and explain the working of the Subt ractor using OP-Amp. Also, derive the expression for the output voltage
b
Determine the output volta ge of the given network
a
Simplify the function F= m(0,3,5,7,8,9,10,12,13)൅d(1,6,11,14) using K-map and implement the simplified expression using NAND gates only
b
Simplify the function F= M (0, 2, 10, 11, 12, 14, 15)• d (5,13)using K-map and implement the simplifi ed expression using NOR gates only
a
In an amplitude-modulated wav e, derive the expression for (i) Amplitude of sidebands (ii) Sideband frequencies (iii) Modulation Index (iv) Modulation Efficiency
b
Write short notes on (i) Amplitude Modulation technique (ii) Radar Communication

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.

Repeated Questions — BEC101

Questions that appeared in more than one session, found by comparing 4 years of Fundamentals Of Electronics Engineering papers (2022-23, 2023-24, 2024-25, 2025-26)

Draw and explain the construction and working of P-channel D epletion MOSFET with characteristic graphs

Appeared in: 2023-24 · 2025-26

Determine the output volta ge of the given network

Appeared in: 2023-24 · 2024-25

Simplify the function F= m(0,3,5,7,8,9,10,12,13)൅d(1,6,11,14) using K-map and implement the simplified expression using NAND gates only

Appeared in: 2023-24 · 2025-26

Simplify the function F= M (0, 2, 10, 11, 12, 14, 15)• d (5,13)using K-map and implement the simplifi ed expression using NOR gates only

Appeared in: 2023-24 · 2025-26