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EndsemFeb 20262024 patternFE

Basic Electronics Engineering (BXE) SPPU Endsem Question Paper Feb 2026

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

Pattern
2024 pattern
Exam
Endsem
Session
Feb 2026
Max. marks
70
Time
2½ Hours
Semester
I/II
Paper code
[6581]-2406

Printed for: F.E.

Instructions to the candidates

  1. Answer Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8 and Q.9 or Q.10.
  2. Neat diagrams must be drawn wherever necessary.
  3. Figures to the right indicate full marks.
  4. Assume suitable data, if necessary.
  5. Use of electronic pocket calculator is allowed.

Questions

  1. Q1

    1. a)

      Draw V- I characteristics of P-N Junction Diode and define these parameters. i) Cut-in Voltage ii) Reverse saturation current iii) Reverse Breakdown Voltage

      Also asked:Mar 2024 ·Oct 2022

      [5]
    2. b)

      Draw circuit diagram and explain operation of half Wave Rectifier with the help of neat waveforms?

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

      [5]
    3. c)

      Compare P-N Junction Diode and LED in detail.

      [4]
  2. Q2

    1. a)

      Draw circuit diagram and explain operation of Full-Wave Bridge Rectifier with the help of neat waveforms?

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

      [5]
    2. b)

      Recognize the Impact of Electronics on industry and society?

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

      [5]
    3. c)

      Compare Active and Passive Components in detail.

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

      [4]
  3. Q3

    1. a)

      What is N-Well method of VLSI CMOS manufacturing, Explain in detail.

      Also asked:Apr 2025 ·Nov 2024

      [5]
    2. b)

      Draw the construction diagram and explain the operation of Enhancement type N-channel MOSFET in detail?

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

      [5]
    3. c)

      Compare BJT and MOSFET in detail.

      [4]
  4. Q4

    1. a)

      Draw the construction diagram and explain the operation of Enhancement type P-channel MOSFET in detail?

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

      [5]
    2. b)

      Draw the V-I Characteristics of BJT in common emitter configuration and explain in detail?

      Also asked:Nov 2024 ·Sep 2024

      [5]
    3. c)

      Define transistor. Determine the dc current gain  (Beta) and the emitter current IE for a transistor where I B 40  A and I c 3.4 mA. P.T.O. SPPU QUESTION PAPER www.mysppu.in Page 1 MySPPU · Basic Electronics Engineering Page 1 of 2 4

      [4]
  5. Q5

    1. a)

      Classify the different types of Logic Gates? Draw and explain any two Logic gates with its truth table & logic equation.

      Also asked:Nov 2024

      [5]
    2. b)

      Draw the block diagram of Microprocessor and explain the functions of each block in detail.

      Also asked:Nov 2024 ·May 2023

      [5]
    3. c)

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

      [4]
  6. Q6

    1. a)

      State and Prove De-Morgan's Theorem.

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

      [5]
    2. b)

      Draw & Explain Full adder Circuit using basic logic gates with truth table.

      [5]
    3. c)

      Compare Microprocessor and Microcontroller in detail.

      [4]
  7. Q7

    1. a)

      Draw the Functional block diagram of operational amplifier and explain in detail.

      Also asked:Apr 2025 ·Nov 2024 ·Mar 2024 ·Oct 2022

      [5]
    2. b)

      Draw the block diagram of Digital Multi-meter. Explain the function of each block.

      Also asked:Nov 2025 ·Nov 2023

      [5]
    3. c)

      Summarize an Ideal characteristic of Op-Amp.

      [4]
  8. Q8

    1. a)

      Draw the block diagram of Function Generator. Explain the function of each block.

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

      [5]
    2. b)

      Draw the block diagram of Regulated DC power supply and explain in detail.

      Also asked:Nov 2023

      [5]
    3. c)

      For Non-inverting amplifier using op-amp, If R1 = 1k  and Rf = 10k  with Vec = + 12 V applied, Calculate Close loop Gain and Output Voltage, if Vin = 100 mV.

      [4]
  9. Q9

    1. a)

      What is the different Selection criteria used while selecting the sensors for particular application?

      Also asked:Nov 2024

      [5]
    2. b)

      Provide a table of Electromagnetic Frequency spectrum with their applications.

      Also asked:Nov 2024

      [5]
    3. c)

      Give detail comparison of Active Sensors and Passive Sensors.

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

      [4]
  10. Q10

    1. a)

      Describe the Basic block diagram of Communication System.

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

      [5]
    2. b)

      Describe the Block diagram of GSM.

      [5]
    3. c)

      Describe the Block diagram of IoT based Data Acquisition and Automation System. ♦♦♦ SPPU QUESTION PAPER www.mysppu.in Page 2 MySPPU · Basic Electronics Engineering Page 2 of 2

      Also asked:Apr 2025 ·Nov 2024

      [4]