B 02000EE201092003 Pages: 3
Reg No.: Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
Third Semester B.Tech Degree (S,FE) Examination December 2020
Course Code: EE201
Course Name: CIRCUITS AND NETWORKS
Max. Marks: 100 Duration: 3 Hours
PARTA
Answer all questions, each carries 5 marks. Marks
1 State and explain maximum power transfer theorem as applicable to AC networks (5)
with load ൧5-20.
2 List any three properties of incidence matrix associated with graph theory. (5)
3 Define time constant and explain its significance. (5)
4 Explain the terms magnetic coupling and dot convention. (5)
5 Explain open circuit parameters of a 2 port network. (5)
6 State the conditions a 2 port network to be reciprocal with respect to 7, 9, 1, ABCD (5)
parameters.
7 State the conditions for a polynomial to be Hurwitz . (5)
8 Write any five properties of impedance function of RL network. (5)
PART B
Answer any two full questions, each carries 10 marks.
9 Determine the load current I, by using Norton’s theorem. (10)
130 -j2Q
¢ 590%
‏ھا‎ ٤
10 a) State and explain superposition theorem. (5)
b) A reduced incidence matrix of a graph is given by (5)
Obtain number of possible trees.
1 1 00 0 1
[4] = | 0 ‏رہ‎ 1 -1 0 0
-1 0 -1 0 ‏رہ‎ 0
11 For the graph shown below, select a tree with |1, 2, 3, 4] as twigs and [5, 6, 7] ೩% (10)

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