B C192008 Pages:4

Reg No.: Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
THIRD SEMESTER B.TECH DEGREE EXAMINATION(R&S), DECEMBER 2019

Course Code: EE201
Course Name: CIRCUITS AND NETWORKS
Max. Marks: 100 Duration: 3 Hours
PARTA
Answer all questions, each carries5 marks. Marks
1 State and prove maximum power transfer theorem as applied to ac circuits. (5)
2 Find the possible number of trees of the given bus incidence. Also draw the (5)
oriented graph
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a= | -1 1 1 al

3 A series RL circuit has R = 25 Q, and L= 5 H. A de voltage of 100 V is applied (5)

at t= 0. Determine a) the time at which the voltage across resistor and inductor

are equal and b) the current through the inductor at t= 0.5 5.

5s+3
4 The current through 2 Q resistor is I(s) = —*"-_ Find the voltage across the (5)

52+55+6
resistor, v(t).
5 Determine the transmission parameters of the network shown in figure. (5)
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ന്നത്‌

6 Check for symmetry and reciprocity of a two port network in z parameter (5)

representation shown in figure

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meen Tees ೧
7 Explain the properties of a positive real function. (5)
8 Check whether the polynomial s* + 7s? + 4s? + 18s + 6 is Hurwitz. (5)

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