EE PYQ 2024-25 AKTU (BEE101) Question Paper

AKTU · BTECH · Semester 1, 2 · Fundamentals of Electrical Engineering · Session 2024-25 · PYQ

AKTU Fundamentals of Electrical Engineering (BEE101) previous year question paper 2024-25 for B.Tech Semester 1/2. Covers DC Circuits, Steady State Analysis…

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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 2024-25

  1. Q1a. Define bilateral and unilateral element. (2 marks, 2024-25)
  2. Q1b. Define the RMS value and write the formula. (2 marks, 2024-25)
  3. Q1c. A resistance of 15Ω, choke coil of 0.05 H and the capacitor of 0.03 F are connected in series. Find the impedance of the circuit if frequency is 50 Hz. (2 marks, 2024-25)
  4. Q1d. Draw the phasor diagram of practical transformer at no load condition. (2 marks, 2024-25)
  5. Q1e. Write the condition for maximum efficiency of transformer. (2 marks, 2024-25)
  6. Q1f. Define the commutator in DC machine. (2 marks, 2024-25)
  7. Q1g. What is Switch fuse unit (SFU)? (2 marks, 2024-25)
  8. Q2a. Find the current I1 and I2 using the Mesh analysis. (7 marks, 2024-25)
  9. Q2b. What is resonance curve and prove the bandwidth of resonant frequency is f₂ - f₁ = R/2πL. (7 marks, 2024-25)
  10. Q2c. Derive series resonance frequency in R-L-C circuit. A series R-L-C circuit has R=20 Ω, L=0.1H and C=0.09F. Determine (i) Resonant frequency (ii) Q factor of the circuit at resonance. (iii) Bandwidth (7 marks, 2024-25)
  11. Q2d. A three phase 50Hz, 2 pole induction motor has a full speed of 2860 rpm. What is the (i) synchronous speed (ii) slip of the induction motor and (iii) rotor emf frequency? (7 marks, 2024-25)
  12. Q2e. Explain construction of underground cable? Explain each layer of cable with neat diagram. Why used of bedding in cable? (7 marks, 2024-25)
  13. Q3a. Find the voltage V1 and V2 using nodal analysis. (7 marks, 2024-25)
  14. Q3b. Find the value of the currents I1, I2 and I3 flowing clockwise in the first, second and third mesh respectively. (7 marks, 2024-25)
  15. Q4a. Explain the phenomenon of parallel resonance circuit. Also derive the formula for resonant frequency of the circuit with a pure capacitor in parallel with a coil having resistance and inductance as shown figure. (7 marks, 2024-25)
  16. Q4b. A series RLC circuit containing a resistance of 12Ω, an inductance of 0.15H and a capacitor of 100uF are connected in series across a 100V, 50Hz supply. Calculate the total circuit impedance, the circuits current, power factor and draw the voltage phasor diagram. (7 marks, 2024-25)
  17. Q5a. The primary and secondary windings of a 600 kVA transformer have resistance of 0.4 Ω and 0.001 Ω respectively. The primary and secondary voltages are 6000 V and 200 V respectively. The iron loss is 3200 W. Calculate the efficiency on full load at the load power factor being 0.8. (7 marks, 2024-25)
  18. Q5b. Why does not use of transformer in DC supply and derive the EMF equation? (7 marks, 2024-25)
  19. Q6a. Explain the working principle of DC generator and also Derive the EMF equation of DC generator. (7 marks, 2024-25)
  20. Q6b. Calculate the emf generated by a 6 pole DC generator having 480 conductors and driven at a speed of 1200 rpm. The flux per pole is 0.012 Wb. Assume the generator to be (a) Lap wound, (b) Wave wound. (7 marks, 2024-25)
  21. Q7a. What is Bus-bars in power system? Write the type of Bus-bars. Explain the single Bus-bars system. (7 marks, 2024-25)
  22. Q7b. What is ELCB and why it is used? Explain the Voltage type of ELCB with suitable diagram. (7 marks, 2024-25)

AKTU paper codes: BEE101, BEE201, KEE101, KEE201

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