FEE PYQ 2022-23 AKTU (BEC101) Question Paper

AKTU · BTECH · Semester 1, 2 · Fundamentals of Electronics Engineering · Session 2022-23 · PYQ

AKTU Fundamentals of Electronics Engineering (BEC101) previous year question paper 2022-23 for B.Tech Semester 1/2. Covers Semiconductor Diode and…

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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 2022-23

  1. Q1a. Compare between Avalanche breakdown and Zener breakdown. (2 marks, 2022-23)
  2. Q1b. Why Varactor diode is also called Varicap? Explain. (2 marks, 2022-23)
  3. Q1c. Define Pinch-off voltage for JFET. (2 marks, 2022-23)
  4. Q1d. For a transistor IE = 10 mA and α = 0.987. Find IC and IB. (2 marks, 2022-23)
  5. Q1e. Define CMRR and Slew rate of Op-Amp. (2 marks, 2022-23)
  6. Q1f. Explain Voltage Follower circuit using Op-Amp. (2 marks, 2022-23)
  7. Q1g. 500 watt carrier power is modulated to depth of 90%, calculate the total power in the modulated wave. (2 marks, 2022-23)
  8. Q2a. Explain the working of p-n junction diode and draw its V-I Characteristics. (7 marks, 2022-23)
  9. Q2b. Draw a neat circuit diagram of bridge rectifier and explain its operation with output waveforms. Derive the average value of current and voltage. (7 marks, 2022-23)
  10. Q2c. Calculate the output voltage Vo of the circuit shown in fig 1. (Op-Amp circuit with multiple inputs) (7 marks, 2022-23)
  11. Q2d. Define Universal Gates. Implement AND, OR, NOR by using NAND gates only. (7 marks, 2022-23)
  12. Q2e. An audio frequency signal 20 Sin 2π × 500t is used to amplitude modulate a carrier of 40 Sin 2π × 10⁵t. Calculate: (i) Modulation Index (ii) Sideband Frequency (iii) Amplitude of each sideband (iv) Bandwidth required (v) Total power delivered to the load of 2KΩ. (7 marks, 2022-23)
  13. Q3a. (i) Draw the circuit diagram of voltage tripler circuit. (ii) Explain Zener diode as a voltage regulator. (7 marks, 2022-23)
  14. Q3b. Explain the working of the following with the help of suitable diagram. (i) LED (ii) Photodiodes. (7 marks, 2022-23)
  15. Q4a. Draw the circuit of NPN transistor in common base configuration and discuss its working. Draw input-output characteristic. (7 marks, 2022-23)
  16. Q4b. Explain working principle of Depletion type MOSFET (n-channel). Draw and Explain its characteristics. (7 marks, 2022-23)
  17. Q5a. Draw the block diagram of Op-Amp and list all the ideal characteristics of op-amp. (7 marks, 2022-23)
  18. Q5b. Explain the working of op-amp as a Integrator and derive its output equation. (7 marks, 2022-23)
  19. Q6a. Minimize using K-map and realize output using gates. F (A, B, C, D) = Σm (1, 4, 8, 12, 13, 15) + d (3, 14) (7 marks, 2022-23)
  20. Q6b. Convert the following: (i) (53.625)10 to (?)2 (ii) Find the base x if (211)x = (152)8 (iii) Subtract using 1's complement: (10111)2 – (110011)2 (iv) Find the 1's and 2's complement of (010100)2. (7 marks, 2022-23)
  21. Q7a. (i) Describe AM modulator with adequate diagram. (ii) Explain the elements of communication system with the help of block diagram. (7 marks, 2022-23)
  22. Q7b. Explain the satellite and radar system using proper block diagram. (7 marks, 2022-23)

AKTU paper codes: BEC101, BEC201, KEC101, KEC201

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