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InsemOct 20252019 patternSE Electrical

Electrical Measurements & Instrumentation (EMI) SPPU Insem Question Paper Oct 2025

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

Open the PDFMost repeated EMI questions
Subject code
203144
Pattern
2019 pattern
Exam
Insem
Session
Oct 2025
Max. marks
30
Time
1 Hour
Semester
III
Paper code
[6578]-9

Printed for: S.E. (Electrical Engineering) (Insem.)

Instructions to the candidates

  1. Solve Q.1 or Q.2, Q.3 or Q.4.
  2. Figures to the right side indicate full marks.
  3. Assume suitable data if necessary.

Questions

  1. Q1

    1. a)

      Explain the following terms related to instrument transformer: i) Transformation ratio ii) Nominal ratio iii) Turns ratio iv) Burden

      [8]
    2. b)

      Draw a neat schematic diagram of attraction type moving iron instrument and explain deflecting, controlling, and damping system used in it.

      [7]

  2. Q2

    1. a)

      With a suitable diagram explain construction and working of PMMC instrument.

      [8]
    2. b)

      Explain in brief static and dynamic characteristics of instrument.

      [7]

  3. Q3

    1. a)

      With a circuit diagram derive the equation for balance in the case of Maxwell’s inductance bridge. Draw the phasor diagram for balance condition.

      [7]
    2. b)

      With neat diagram, derive the expression for unknown resistance in Wheatstone bridge.

      [8]

  4. Q4

    1. a)

      With suitable circuit diagram explain ammeter and voltmeter method for measurement of resistance. State two disadvantages of this method.

      [7]
    2. b)

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

      [8]