EE PYQ 2025-26 AKTU Question Paper

AKTU · BTECH · Semester 1, 2 · Fundamentals of Electrical Engineering · Session 2025-26 · PYQ

AKTU Fundamentals of Electrical Engineering previous year question paper 2025-26 for B.Tech Semester 1/2. Covers DC Circuits, Steady State Analysis of…

Open the interactive reader to study this resource on AcademicArk.

Fundamentals of Electrical Engineering AKTU syllabus

  1. Unit 1: DC Circuits
  2. Unit 2: Steady State Analysis of Single Phase AC Circuits
  3. Unit 3: Transformers
  4. Unit 4: Electrical Machines
  5. Unit 5: Electrical Installations

Questions in Fundamentals of Electrical Engineering AKTU PYQ 2025-26

  1. Q1a. Define the following (i) dependent source (ii) linear element (iii) inductance (2 marks, 2025-26)
  2. Q1b. State the Kirchhoff's Current Law (KCL) and Kirchhoff's Voltage Law (KVL). (2 marks, 2025-26)
  3. Q1c. Define the expression for form factor and peak factor. (2 marks, 2025-26)
  4. Q1d. What is the condition for series resonance? What happens to the impedance of a series RLC circuit at resonance? (2 marks, 2025-26)
  5. Q1e. What are the main parts of a transformer and how does it work? (2 marks, 2025-26)
  6. Q1f. What is the basic principle of a DC motor? What is Back EMF Eb? (2 marks, 2025-26)
  7. Q1g. A three phase induction motor has 6 poles and runs at 960 r.p.m. on full load, it is supplied from an alternator having 4 poles and running at 1500 rpm. Calculate the Full load Slip of the induction motor. (2 marks, 2025-26)
  8. Q2a. Determine the node voltages V1 and V2 for the network shown in figure. (7 marks, 2025-26)
  9. Q2b. A resistance of 75Ω, an inductance of 0.35H and a capacitance of 150μF are connected in series across a 230V, 50Hz supply. Calculate (i) the resultant current (ii) the phase angle between the resultant current and the supply voltage (iii) power factor of the circuit. (7 marks, 2025-26)
  10. Q2c. The following results were obtained on a 5 kVA, 2400/120V transformer: Open circuit test 120V, 9.65A, 396W instrument on l.v. side. Short circuit test 92V, 20.8A, 810W instrument on h.v. side. Determine: (i) the circuit constants (ii) efficiency at half load, 0.8 p.f. lagging (iii) regulation at… (7 marks, 2025-26)
  11. Q2d. How is a rotating magnetic field produced in a three phase induction motor? (7 marks, 2025-26)
  12. Q2e. Describe the importance of earthing in ensuring electrical safety and protecting equipment. (7 marks, 2025-26)
  13. Q3a. Use nodal analysis to determine the voltage across BC and the current in the 12 V source in figure. (7 marks, 2025-26)
  14. Q3b. Determine the current in the 2 Ω resistor of the circuit by Mesh Analysis as shown in figure. [Circuit Diagram: A resistor network with a 60V source, 5Ω, 2Ω, 3Ω, 4Ω, 6Ω resistors, and a 20V source.] (7 marks, 2025-26)
  15. Q4a. What is meant by bandwidth of a resonant circuit? Draw the resonance curve of a series RLC circuit and prove the bandwidth is ω₂ - ω₁ = R/L. (7 marks, 2025-26)
  16. Q4b. Derive the relation between Phase Voltage & Line voltage for Star connected three phase supply system. A 3 phase, 400-volt supply is connected to a 3 phase star connected balanced load. The line current is 20 amps and the power consumed by the load is 12 KW. Calculate the phase impedance of the… (7 marks, 2025-26)
  17. Q5a. Explain operating principle of transformer and derive the equation for induced emf in a two-winding transformer. Also discuss the term regulation and efficiency w.r.t. transformer. (7 marks, 2025-26)
  18. Q5b. The efficiency of a 400 kVA 1-ϕ transformer is 98.77%, when delivering full load at 0.8 p.f. and 99.13% at half of the full load and unity power factor. Calculate (i) Iron loss (ii) Full load copper loss. (7 marks, 2025-26)
  19. Q6a. What are the applications of a DC motor? Discuss the factors influencing the selection of a DC motor. A 8 pole lap-wound DC generator has useful flux per pole 0.05 Wb, if the no load voltage at 400 rpm is 300V. Find the number of conductors on the armature periphery. (7 marks, 2025-26)
  20. Q6b. (i) Why Single Phase Induction Motor is not Self Starting? (ii) What is Synchronous Machine? Also discuss the basic principle of synchronous machine. (7 marks, 2025-26)
  21. Q7a. How does a fuse protect an electrical circuit? Also discuss the working of following: (i) ELCB (ii) MCCB (7 marks, 2025-26)
  22. Q7b. (i) What is the fundamental difference between a wire and a cable? What is Bus-bar? (ii) What is a battery's fundamental principle? Also specific types of battery types. (7 marks, 2025-26)

AKTU paper codes: BEE101, BEE201, KEE101, KEE201

Fundamentals of Electrical Engineering previous year papers

More Fundamentals of Electrical Engineering resources

Browse all notes · Semester 1 notes