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EndsemMay 20252019 patternFE

Basic Electronics Engineering (BXE) SPPU Endsem Question Paper May 2025

All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated BXE questions
Subject code
104010
Pattern
2019 pattern
Exam
Endsem
Session
May 2025
Max. marks
70
Time
2½ Hours
Semester
I/II
Paper code
[6401]-1906

Printed for: F.E.

Instructions to the candidates

  1. Solve Q.1 or Q.2, Q.3 or Q.4., Q. 5 or Q.6, Q.7 or Q.8.
  2. Neat diagrams must be drawn wherever necessary.
  3. Figures to the right indicate full marks.
  4. Assume suitable data, if necessary.

Questions

  1. Q1

    1. a)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]
    2. b)

      Define Universal Logic Gates. Why they known as Universal Logic Gates?

      Also asked:May 2023

      [6]
    3. c)

      Compare Microprocessor and Microcontroller.

      [6]

  2. Q2

    1. a)

      State and prove De-Morgan’s Theorems.

      Also asked:Feb 2026 ·Nov 2025 ·Apr 2025 ·Nov 2024 ·Nov 2024 ·Nov 2023 ·May 2023

      [6]
    2. b)

      Explain in detail the working of a full adder with the help of a truth table, logic equations and diagram.

      [6]
    3. c)

      Explain different types of flip-flops and state one application of each.

      [6]

  3. Q3

    1. a)

      Explain Digital Multimeter with block diagram.

      Also asked:Apr 2025 ·Nov 2024 ·Nov 2024 ·May 2023 ·May 2022

      [6]
    2. b)

      Explain Digital Storage Oscilloscope with block diagram.

      Also asked:Apr 2025 ·Nov 2024 ·May 2022

      [6]
    3. c)

      Explain Auto Transformer and list its applications. 2

      Also asked:Nov 2025 ·Nov 2024 ·May 2023 ·May 2022

      [5]

  4. Q4

    1. a)

      Explain Function Generator with block diagram.

      Also asked:Feb 2026 ·Nov 2025 ·Nov 2024 ·Nov 2024 ·Nov 2023 ·May 2023 ·May 2022

      [6]
    2. b)

      Explain working of DC Power Supply with block diagram and waveforms.

      [6]
    3. c)

      Explain how to convert Galvanometer to Analog Ammeter and how to use it as multi-range Ammeter?

      Also asked:Nov 2023 ·May 2023

      [5]

  5. Q5

    1. a)

      With the help of diagram, explain operation of LVDT. Write its advantages, disadvantages and applications.

      Also asked:Nov 2025 ·Nov 2023 ·May 2023 ·May 2022

      [6]
    2. b)

      Explain RTD with its construction, working, advantages, disadvantages and applications.

      Also asked:Nov 2025 ·Nov 2023 ·May 2023 ·May 2022

      [6]
    3. c)

      Explain working principle of strain gauge. Explain load cell.

      Also asked:Nov 2025 ·Nov 2023 ·May 2023 ·May 2022

      [5]

  6. Q6

    1. a)

      Explain selection criteria of transducers.

      Also asked:May 2023

      [6]
    2. b)

      Explain Thermocouple with its construction, working, advantages, disadvantages and applications.

      Also asked:Nov 2025 ·Nov 2023 ·May 2023 ·May 2022

      [6]
    3. c)

      Explain operation of Bio-sensor with one application.

      Also asked:Nov 2025 ·May 2022

      [5]

  7. Q7

    1. a)

      With the help of block diagram, explain basic communication system.

      Also asked:Feb 2026 ·Nov 2025 ·Apr 2025 ·Nov 2024 ·May 2023 ·May 2022

      [6]
    2. b)

      Draw Block Diagram of AM Transmitter and explain.

      Also asked:Nov 2025 ·Nov 2024

      [6]
    3. c)

      Draw diagram explain GSM architecture.

      [6]

  8. Q8

    1. a)

      Explain need of modulation. What are the different techniques of modulation.

      Also asked:Nov 2024

      [6]
    2. b)

      Explain IEEE electromagnetic frequency spectrum and state allotment of frequency bands for different applications.

      Also asked:Nov 2025 ·Nov 2023 ·May 2023 ·May 2022

      [6]
    3. c)

      Explain cellular communication system. 

      Also asked:Nov 2024 ·May 2023

      [6]