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F
10024
Reg No.: Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
FIRST/SECOND SEMESTER B.TECH DEGREE EXAMINATION, JULY 2016
EE100 BASICS OF ELECTICAL ENGINEERING
Max. Marks: 100 Duration: 3 Hours
PART A

Answer all questions, each question carries 4 marks

1. A 50 Q resistor is in parallel with a 100 Q resistor. Current in 50 Q is 7.2൧. What is the
value of third resistance to be added in parallel to this circuit to make the total current
12.1 A.

Three resistors of 30Q each are connected in delta. Obtain the equivalent star network.
Define MMF, magnetizing force, flux density, reluctance.

Define active, reactive & apparent power in an ac circuit with the help of power triangle.
Derive the relation between line and phase current in three phase delta connected system.
List the need for high voltage transmission system.

Explain the principle of operation of 3 phase induction motor.

Derive the emf equation of the transformer.

wean ಛಾ ಟ್‌ ಭಾ YS ಓತಿ

With neat sketch explain the working of fluorescent lamp.

5

Differentiate between simple and differential tariff.

PART B
MODULE (1-4)
Answer any four questions, each question carries 10 marks

11. a) State & Explain Kirchhoff’s laws. (4)
b) For the circuit shown below, find current through 8Q and 12Q resistors. (6)

3 142

352 4८२
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॥ { 77] ப்‌ 8८2 =

= 12. 6%
= 12.2

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