FEE PYQ 2025-26 AKTU Question Paper

AKTU · BTECH · Semester 1, 2 · Fundamentals of Electronics Engineering · Session 2025-26 · PYQ

AKTU Fundamentals of Electronics Engineering previous year question paper 2025-26 for B.Tech Semester 1/2. Covers Semiconductor Diode and Applications…

Open the interactive reader to study this resource on AcademicArk.

Fundamentals of Electronics Engineering AKTU syllabus

  1. Unit 1: Semiconductor Diode and Applications
  2. Unit 2: Transistors — BJT and FET
  3. Unit 3: Operational Amplifiers
  4. Unit 4: Digital Electronics
  5. Unit 5: Fundamentals of Communication Engineering

Questions in Fundamentals of Electronics Engineering AKTU PYQ 2025-26

  1. Q1a. What do you mean by Doping? Compare between Clipper and Clamper Circuit. (2 marks, 2025-26)
  2. Q1b. Derive relation between current gain in CB and CE configuration of transistor. For a transistor IE = 10mA and α= 0.987. find value of IC. (2 marks, 2025-26)
  3. Q1c. Define CMRR, Slew Rate, and PSRR of Operational Amplifier. (2 marks, 2025-26)
  4. Q1d. What are the basic laws and theorems of Boolean algebra? (2 marks, 2025-26)
  5. Q1e. Determine base of the following: (i) (211)X = (152)8 (ii) (193)X = (623)8. (2 marks, 2025-26)
  6. Q1f. Define modulation index for AM wave. State the concept of over, under modulation. (2 marks, 2025-26)
  7. Q1g. A 320W carrier is simultaneously modulated by two audio waves with percentage modulation of 45 and 60 respectively. What is the sideband power radiated? (2 marks, 2025-26)
  8. Q2a. (i) Explain the working of p-n junction diode and draw its V-I Characteristics. (ii) Sketch the output voltage waveform for the given circuit. Assume ideal diode used. (7 marks, 2025-26)
  9. Q2b. (i) Explain the input and output characteristics of a transistor in CE configuration. (ii) A JFET has parameters of VGS (off) is equal to -20V and IDSS equal to 12 mA. Plot the transconductance curve for the device using VGS values of 0V, -5V, -10V, -15V, and -20V. (7 marks, 2025-26)
  10. Q2c. Describe the structure of an operational amplifier using a block diagram and explain each stage in detail? Draw the circuit diagram of differential amplifier using op-amp and find out the expression for output voltage. (7 marks, 2025-26)
  11. Q2d. Simplify the function F= ∑m(0,3,5,7,8,9,10,12,13) + ∑d(1,6,11,14) using K-map and also implement the simplified expression using Basic gates only. (7 marks, 2025-26)
  12. Q2e. (i) Define Modulation and also Listed the need of modulation in communication. (ii) When an AM broadcast transmitter is 60% modulated then its antenna current is 10A.what will be the antenna current when the modulation depth is Increased by 70%. (7 marks, 2025-26)
  13. Q3a. Write difference between half wave and Full wave (Centre tap) rectifiers. Draw a neat circuit diagram of bridge rectifier and explain its operation with output waveforms. Drive the average value of current. (7 marks, 2025-26)
  14. Q3b. (i) What is voltage multiplier circuit? Draw the circuit diagram of voltage tripler circuit. (ii) Explain the working and V-I characteristics of LED with the help of suitable diagram. (7 marks, 2025-26)
  15. Q4a. Describe the construction and working of N-Channel depletion type MOSFET along with their transfer characteristics. (7 marks, 2025-26)
  16. Q4b. Write the only 5 differences between BJT and JFET. Draw and explain the construction and working of N-Channel JFET with suitable diagram and also draw its characteristic graphs. (7 marks, 2025-26)
  17. Q5a. (i) Write the comparison between Inverting and Non-inverting Op-Amp. (ii) Describe the Differentiator and Integrator operation of amplifier and also formulate its overall output voltage. (7 marks, 2025-26)
  18. Q5b. Determine the output voltage of the given following networks. (for figure-1 V1=0.2v and V2=0.5v) (for figure-2 V1=10v and V2=15v) (7 marks, 2025-26)
  19. Q6a. Perform following operation as indicated:- (i) Convert (472.254)8 to its decimal value (ii) Subtract using 1's complement: (10111)2 - (110011)2. (iii) Calculate the 1's and 2's complement of binary number 1010101. (iv) Subtract using 2's complement: (1010)2 – (0101)2. (v) Convert (5678)10 into BCD. (7 marks, 2025-26)
  20. Q6b. (i) Define universal logic Gates. Realize XOR, XNOR gates using NAND and NOR gate only. (ii) Prove the following Boolean functions: AB+ABC+AB̄=A and AB̄+ĀB+AB+ĀB̄=1 (7 marks, 2025-26)
  21. Q7a. Derive an expression for Amplitude Modulated wave. An audio frequency signal 20sin (2π ×500t) is used to amplitude modulated a carrier of 40sin (2π ×105t). Calculate (i) Modulation index (ii) Amplitude and frequency of each side band (iii) Bandwidth. (7 marks, 2025-26)
  22. Q7b. What is Wireless Communication? Explain the basic principles of Satellite Communication system with the help of block diagram. Also state the advantages and disadvantages of Wireless Communication. (7 marks, 2025-26)

AKTU paper codes: BEC101, BEC201, KEC101, KEC201

Fundamentals of Electronics Engineering previous year papers

More Fundamentals of Electronics Engineering resources

Browse all notes · Semester 1 notes