Fundamentals Of Electronics Engineering (BEC201) - AKTU Question Paper 2024-25
B.Tech · Semester 2 · Free PDF Download
This is the official AKTU Fundamentals Of Electronics Engineering Previous Year Question Paper for B.Tech Semester 2, academic session 2024-25. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.
Course:B.Tech
Semester:Semester 2
Session:2024-25
University:AKTU / UPTU
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Questions Asked in 2024-25
Fundamentals Of Electronics Engineering (BEC201) — extracted question text · 70 marks · 3 Hours
Section AAttempt all questions in brief. 02 x 7 = 14
- aCompare Avalanche and Zener breakdown
- bWhat is the physical significance of the pinch -off voltage in a JFET, and how does it affect drain current?
- cWhy is a differential amplifier configuration preferred as the input stage of an op-amp?
- dWhat do you mean by CMRR and Why is the Common -Mode Rejection Ratio (CMRR) critical in instrumentation applications using Op-Amps?
- eWhy is NAND gate called a 'universal gate'? Realize NOT gate using NAND gate only
- fFind 1’s and 2’s complement of 10011010
- gIn digital wireless systems, ho w does frequency reuse improve spectral efficiency?
Section BAttempt any three of the following: 07 x 3 = 21
- aExplain the formation of a PN junction and derive the expression for the width of the depletion region. Discuss how biasing affects the junction width
- bExplain the construction and working of a BJT. Draw the input and output characteristics of Common Emitter configuration
- cDraw and explain the Op -Amp IC-741. Also draw equivalent circuit of Op-Amp
- dDistinguish between POS & SOP. Convert the given expression in standard SOP form
- eDraw the block diagram of a communication system and explain the function of each block
Section CAttempt any one part of the following: 07 x 1 = 07
- aCompare and analyze the operation and w aveforms of half-wave and full- wave rectifiers. Include derivations for average and RMS current
- bA full -wave bridge rectifier is supplied with 220V AC, 50Hz. It uses a transformer with turns ratio 10:1 and a filter capacitor of 470 μF. Calculate: • Peak output voltage • Average DC output voltage • Ripple voltage for a load of 1 kΩ
- aDiscuss the working of JFET and also discuss input and output characteristics of JFET
- bDrive the relation between Calculate IC and IE for a transistor that and I C =100 . Determine the value of for the transistor
- aExplain the working of integrator and differentiator Op -Amp circuits. Include waveform examples and applications
- bDesign and explain the working of an inverting and non -inverting amplifier. Also derive the gain expressions
- aMinimize the four variable logic function using k-map
- bProve the following using the Boolean algebraic theorems (iii)AB+ (iii)AB+
- aWhat is need of modulation? Define AM (Amplitude modulation) with wave forms and derive expiration for modulation index of AM
- bExplain basic elements of Satellite communication system with help of suitable diagrams
Question text is extracted from the official AKTU question paper PDF above. Check the original PDF for equations, diagrams and complete wording. Extracted: 2026-08-23.
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