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InsemMar 20262019 patternFE

Basic Electronics Engineering (BXE) SPPU Insem Question Paper Mar 2026

All 4 questions from this SPPU insem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated BXE questions
Subject code
104010
Pattern
2019 pattern
Exam
Insem
Session
Mar 2026
Max. marks
30
Time
1 Hour
Semester
II
Paper code
APR-26/FE/Insem-5

Printed for: F.E. (Insem)

Instructions to the candidates

  1. Answer Q.1 or Q.2 and Q.3 or Q.4.
  2. Figures to the right indicates full marks.
  3. Neat diagrams must be drawn wherever necessary.
  4. Assume suitable data, if necessary.

Questions

  1. Q1

    1. a)

      Define the following: i) Intrinsic Semi-conductor ii) Extrinsic Semi-conductor iii) Doping iv) Drift Current in Semi-conductor v) Diffusion current in Semi-conductor

      [5]
    2. b)

      For full wave bridge rectifier applied input voltage is 4sin  t. Calculate average output voltage, RMS voltage & PIV rating of the diode used.

      Also asked:Mar 2025 ·Sep 2024

      [5]
    3. c)

      Compare LED & Photo diode.

      [5]

  2. Q2

    1. a)

      Differentiate between Active & Passive components.

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

      [5]
    2. b)

      Determine the current through zener diode for the circuit shown in figure is: (Given: zener diode break down voltage Vz = 5.6V)

      [5]
    3. c)

      Draw the circuit diagram of center tap rectifier and explain its operation with suitable waveforms. PP.T.O. 2 APR-26/FE/Insem-5

      Also asked:Mar 2025

      [5]

  3. Q3

    1. a)

      Draw the circuit diagram of CE amplifier and explain the function of each component.

      Also asked:Mar 2024

      [5]
    2. b)

      For N Channel E MOSFET i) Draw the drain characteristics and mark the various operating regions. ii) Draw the transfer characteristics and define threshold voltage V th .

      Also asked:Mar 2025

      [5]
    3. c)

      Draw the circuit diagram of : i) Non-inverting amplifier and write the expression for Vo. ii) Voltage follower and write the expression for Vo.

      Also asked:Mar 2025

      [5]

  4. Q4

    1. a)

      Draw the circuit diagram of BJT as switch and explain its operation in detail.

      Also asked:Oct 2025

      [5]
    2. b)

      Explain construction of N channel E MOSFET with suitable diagram and draw its symbol.

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

      [5]
    3. c)

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

      [5]