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APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

Third Semester B.Tech Degree Examination December 2020 (2019 Scheme)

Course Code: ECT205
Course Name: NETWORK THEORY

Max. Marks: 100 Duration: 3 Hours
PARTA
Answer all questions. Each question carries 3 marks Marks
1 Explain super mesh analysis (3)
2 Differentiate ideal and practical voltage sources. (3)
3 State Reciprocity theorem (3)
4 Whatis the significance of Superposition theorem? (3)
5 State initial value and final value theorem (3)
6 Find expression for current when an unit impulse is given to a series RC circuit. (3)
7 15 ५12 = உப a valid function? Justify. (3)

8 What do you mean by open circuit natural frequency and short circuit natural frequency? (3)

9 What are image parameters? (3)
10 The impedance parameters of a two-port network are (8 „| Find its admittance 3)
parameters.
PART B
Answer any one full question from each module. Each question carries 14 marks
Module 1
11 a) Find 1 in the network shown using nodal analysis (7)

4A
‏وج‎

b) Find voltage across 60 resistor using mesh analysis

(7)