B B7071
Total Pages: 3

Reg No.: Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
THIRD SEMESTER B.TECH DEGREE EXAMINATION, DECEMBER 2017
Course Code: EC201
Course Name: NETWORK THEORY (EC, AE)
Duration: 3 Hours

Max. Marks: 100
PART A
Answer any two full questions, each carries 15 marks. Marks
(7)
(8)

1 a) State and prove final value theorem and initial value theorems.
b) Find the current in each resistor using the superposition theorem.

اس سرت ‎ह्व‏

8 1 -j5

10 4

| |
ˆ 4 ४ ~ 50020

| |
(5)

2 a) For the circuit shown in figure, find the current through 3 Q using Millmann’s

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theorem
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2 | 1 | By
3 1 4vL ௮2ம்‌ |
∣ T T
b) Use mesh analysis to find Vx in the circuit shown in figure (10)
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இ ലിനി
16.67 33.33 |
| 25
30V नर | 0 2Vx
ட... 0
−−∎∣
(10)

0
3 9) Use Thevenin’s theorem to find the current through 5Q resistor

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1 15

100 =

400 ४५. 35
| १ 8 9 -
A

62 28
(5)

Find the Laplace transform of the square wave shown in figure

A

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