B.Tech I Year I Semester (R20) Supplementary Examinations August-2023

BASIC ELECTRICAL ENGINEERING

(Common to CSE, CSE(AI), CSE(DS), CSE(Networks), AI&DS & IT)

Time: 3 hours

Max. Marks: 70

Note: 1. Question paper consists of two parts A and B

2. Part A is compulsory, which carries 20 marks

3. Answer any five questions from Part B. Each question carries 10 marks

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PART – A (10 * 2 = 20 Marks)

1. Answer all the following questions briefly:

   1. Define Ohm’s law.
   2. Define RMS value.
   3. Define Power factor.
   4. Define Mutual Inductance.

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   5. List applications of DC motor.
   6. List different types of DC generators.
   7. Define slip of an induction motor.
   8. What are the losses in a transformer?
   9. Mention the applications of solar PV system.

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   10. What are the advantages of non-conventional energy sources?

PART – B (5 * 10 = 50 Marks)

2. a) State and explain Kirchhoff’s laws.

   b) Find the equivalent resistance between A and B in the circuit given below.

   (OR)

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3. a) Explain star to delta transformation.

   b) For the circuit shown in below figure, find the current through 6Ω resistor using nodal analysis.