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Basic Electrical Engineering — Major (End Semester) 2025 question paper

MMMUT Information Technology previous year question paper for Basic Electrical Engineering (BEE-), semester 2, Major (End Semester) 2025. All 24 questions are listed below, each with a written answer on Nexsus.

Paper details

  • Subject: Basic Electrical Engineering (BEE-)
  • Branch: Information Technology
  • Semester: 2
  • Exam: Major (End Semester) 2025
  • Questions: 24

Questions asked in Basic Electrical Engineering Major (End Semester) 2025

  1. Q1(a). a) Explain the principle of Moving Iron Type voltmeter. [2 marks]
  2. Q1(b). b) Differentiate between the loop and nodal method. [2 marks]
  3. Q1(c). c) Explain about the parallel resonance with phasor diagrams. [2 marks]
  4. Q1(d). d) Explain the Maximum Power Transfer Theorem. [2 marks]
  5. Q1(e). e) Derive an expression for the current and impedance for a series RLC circuit excited by a Sinusoidally alternating voltage. [2 marks]
  6. Q1(f). Explain the working of a transformer. [2 marks]
  7. Q1(g). g) Find i_LOAD through R_LOAD using Superposition's theorem. [2 marks]
  8. Q2(a). a) Explain the following Term: i. Active and passive elements ii. Voltage and current source iii. Unilateral elements iv. Bilateral elements v. Concept of linear elements [5 marks]
  9. Q2(b). b) Explain and need of the conversion formula for Star to Delta and Delta to Star transformation with proper notation. [5 marks]
  10. Q2(c). c) Find I_0 using Thevenin's theorem. [5 marks]
  11. Q3(a). (a) Explain about the series resonance with phasor diagrams. Derive an expression for resonant frequency RLC parallel circuit. [5 marks]
  12. Q3(b). (b) In two wattmeter method of measuring 3 phase power, discuss the nature and value of power factor when (i) two wattmeter method read equal and positive values (ii) the two wattmeter's read equal and opposite value (iii) one wattmeter reads zero value. (Justify your answer) [5 marks]
  13. Q3(c). (c) A series RLC circuit of R = 40ohm , L = 50.07mH and a capacitor is connected across a 400V, 50Hz, A.C supply. This RLC combination draws a current of 10 A. Calculate, (i) Power factor of the circuit. (ii) Capacitor value. [5 marks]
  14. Q4(a). (a) Explain the construction and working principle of PMMC type voltmeter. [5 marks]
  15. Q4(b). (b) The meter element of PMMC instrument has a resistance of 5 ohms and requires 15mA for full scale deflection. Calculate the resistance to be connected (i) in parallel to enable the instrument to read up to 1A (ii) in series to enable it to read up to 15V. [5 marks]
  16. Q4(c). (c) Explain the deflecting torque, controlling Torque and damping torque for Moving Iron type voltmeter. [5 marks]
  17. Q5(a). (a) An ideal 25kVA transformer has 500turns on the primary winding and 40turns on the secondary winding. The primary is connected to 3000 V, 50 Hz supply. Calculate (i) primary and secondary currents on full load (ii) secondary emf and (iii) the maximum core flux. [5 marks]
  18. Q5(b). (b) What is the operation auto transformer. [5 marks]
  19. Q5(c). (c) What is the purpose of conducting the open circuit and short circuit tests in transformers? [5 marks]
  20. QQ1.. Attempt any five parts of the following: (5 * 2 = 10)
  21. QQ2.. Attempt any two parts of the following: (2 *5 = 10)
  22. QQ3.. Attempt any two parts of the following: (2 5 = 10)
  23. QQ4.. Attempt any two parts of the following: (2*5 = 10)
  24. QQ5.. Attempt any two parts of the following: (2 * 5 = 10)