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EndsemApr 20252024 patternFE

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

All 10 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated BXE questions
Pattern
2024 pattern
Exam
Endsem
Session
Apr 2025
Max. marks
70
Time
2½ Hours
Semester
I
Paper code
[6401]-2404

Instructions to the candidates

  1. Neat diagrams must be drawn wherever necessary.
  2. Figures to the right indicate full marks.
  3. Assume suitable data, if necessary.
  4. Use of electronic pocket calculator is allowed.

Questions

  1. Q1

    1. a)

      Draw and Explain V-I Characteristics of PN junction Diode.

      Also asked:Nov 2024 ·Sep 2024

      [5]
    2. b)

      Explain Impact of Electronics on Industry and Society.

      Also asked:Feb 2026 ·Oct 2025 ·Nov 2024 ·Mar 2024 ·Oct 2023 ·Oct 2022

      [5]
    3. c)

      Write a short note on Active and Passive Components.

      Also asked:Mar 2026 ·Feb 2026 ·Oct 2025 ·Mar 2025 ·Nov 2024 ·Mar 2024 ·Oct 2023

      [4]

  2. Q2

    1. a)

      Draw & Explain Circuit diagram of Half Wave Rectifier with waveforms.

      Also asked:Feb 2026 ·Nov 2024 ·Mar 2024 ·Oct 2023

      [5]
    2. b)

      Explain construction & operation of Light Emitting Diode (LED).

      [5]
    3. c)

      Draw and explain Diode as a Switch.

      [4]

  3. Q3

    1. a)

      Draw and explain operation of Enhancement Type N channel MOSFET.

      Also asked:Mar 2026 ·Feb 2026 ·Oct 2025 ·Mar 2025 ·Nov 2024 ·Sep 2024 ·Mar 2024 ·Oct 2023 ·Oct 2022

      [5]
    2. b)

      Draw and Explain Output Characteristics of common emitter mode.

      [5]
    3. c)

      Explain N-well method of VLSI CMOS manufacturing.

      Also asked:Feb 2026 ·Nov 2024

      [4]

  4. Q4

    1. a)

      Explain with a circuit diagram a Single Stage Common Emitter Amplifier.

      Also asked:Oct 2022

      [5]
    2. b)

      Compare BJT and MOSFET.

      [5]
    3. c)

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

      [4]

  5. Q5

    1. a)

      Draw and Explain D flip flop with the help of Truth Table.

      [5]
    2. b)

      State and prove De-Morgan’s Theorem.

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

      [5]
    3. c)

      Solve i) Convert (1101.101) 2 into Decimal ii) Convert (35.567) 10 into Binary

      [4]

  6. Q6

    1. a)

      Explain the full Adder with the help of Block Diagram, Truth Table & Logic Expression.

      [5]
    2. b)

      Draw and explain block diagram of Microprocessor.

      [5]
    3. c)

      Draw and Explain JK flip flop with the help of Truth Table.

      [4]

  7. Q7

    1. a)

      Draw and explain the functional block diagram of an Operational amplifier (OP-AMP)?

      Also asked:Feb 2026 ·Nov 2024 ·Mar 2024 ·Oct 2022

      [5]
    2. b)

      Draw and Explain Block Diagram of Digital Storage Oscilloscope (DSO).

      Also asked:May 2025 ·Nov 2024 ·May 2022

      [5]
    3. c)

      Define with typical & ideal values for IC 741, the following Operational amplifier (OP-AMP) parameters? i) CMRR ii) Bandwidth

      Also asked:Mar 2024

      [4]

  8. Q8

    1. a)

      Draw & Explain Block Diagram of Digital Multimeter (DMM).

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

      [5]
    2. b)

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

      [5]
    3. c)

      Explain Op amp application as an Inverting amplifier with the help of waveform.

      [4]

  9. Q9

    1. a)

      Draw & Explain block diagram of IoT based Data Acquisition System.

      Also asked:Nov 2024

      [5]
    2. b)

      With the help of block diagram, explain operation of Electronic Communication System.

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

      [5]
    3. c)

      Compare Thermocouple and RTD.

      [4]

  10. Q10

    1. a)

      Explain wired and wireless communication media.

      [5]
    2. b)

      Explain the principle of operation, construction and working of LVDT.

      Also asked:Nov 2024

      [5]
    3. c)

      Draw and Explain detail architecture of GSM system. JJJ SPPU QUESTION PAPER www.mysppu.in Page 2 MySPPU · Basic Electronics Engineering Page 2 of 2

      Also asked:Feb 2026 ·Nov 2024

      [4]