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Fundamental of Basic Electrical — Major (End Semester) 2021 question paper

MMMUT Computer Science and Engineering previous year question paper for Fundamental of Basic Electrical (BEE-101), semester 1, Major (End Semester) 2021. All 24 questions are listed below, each with a written answer on Nexsus.

Paper details

  • Subject: Fundamental of Basic Electrical (BEE-101)
  • Branch: Computer Science and Engineering
  • Semester: 1
  • Exam: Major (End Semester) 2021
  • Questions: 24

Questions asked in Fundamental of Basic Electrical Major (End Semester) 2021

  1. Q1. Attempt any five parts pf the following
  2. Q1(a). State and explain Kirchoff's laws. [2 marks]
  3. Q1(b). State Ohm's Law. Mention one limitation. [2 marks]
  4. Q1(c). Define RMS value and average value. [2 marks]
  5. Q1(d). Calculate the form factor and peak factor of square wave. [2 marks]
  6. Q1(e). Define open circuit test of single phase transformer. [2 marks]
  7. Q1(f). A 4 pole, 50 Hz, 3 phase Induction motor operates on 1440 rpm. Calculate its percentage slip? [2 marks]
  8. Q1(g). Draw the phasor diagram of single phase transformer for lagging load. [2 marks]
  9. Q2. Attempt any Two parts of the following.
  10. Q2(a). Derive maximum power transfer theorem for resistive load and determine efficiency in case of maximum power transfer. [5 marks]
  11. Q2(b). State superposition theorem and calculate Ix from the Fig.l given below using superposition. All values of resistances are in ohm. [5 marks]
  12. Q2(c). State Norton's theorem and draw equivalent circuit. Differentiate between Thevenin's theorem and Norton's theorem.
  13. Q3. Attempt any Two parts of the following.
  14. Q3(a). The voltage across the load is v(t) = 60 sin(ωt) and the current through the load in the direction of voltage drop is i(t) = 1.5 sin(ωt +60) then, I) Find the complex and apparent power II) Find real and reactive power. [5 marks]
  15. Q3(b). In an R-L-C parallel circuit the current through the resistor, inductor (pure) and capacitor (pure) are 20A, 15A and 40A respectively. What is the Current from the supple? Draw the phasor diagram. [5 marks]
  16. Q3(c). Define following terms in case of R-L-C series circuit: I) Resonance frequency II)Band-width III)Quality factor [5 marks]
  17. Q4. Attempt any Two parts of the following.
  18. Q4(a). Define following terms: I) Magnetic flux density II) MMF III) Reluctance [5 marks]
  19. Q4(b). Explain B-H curve. Also define Hysteresis and eddy current loss with their expressions. [5 marks]
  20. Q4(c). Explain working principle of Auto transformer. And also explain its advantages over two winding transformer. [5 marks]
  21. Q5. Attempt any Two parts of the following.
  22. Q5(a). Explain the working principle of DC generator. And also explain its construction with neat diagram. [5 marks]
  23. Q5(b). Explain the working principle of single phase induction motor. And explain its classification. [5 marks]
  24. Q5(c). Explain classification of the DC motor with their required equations and neat circuit diagrams. [5 marks]