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B3B041S Pages: 4

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
THIRD SEMESTER B.TECH DEGREE EXAMINATION, JULY 2017

Course Code: EE201
Course Name: CIRCUITS AND NETWORKS (EE)

Max. Marks: 100 Duration: 3 Hours
PARTA
Answer all questions. Each question carries 5 marks.

1. Apply Superposition theorem to determine the current I in the circuit shown in figure

(1). (5)

Figure (1) Figure (2)

2. For the graph shown in figure (2), select (4,5, 6] ೩5 tree and hence determine the

fundamental cut-set matrix Q and tie-set matrix B. Also prove that Q and B are

orthogonal. (5)
3. In the circuit shown in figure (1), steady state exists when switch is in position 1. At |

= 0, it is moved to position 2. Determine the expression for current i(t) through the

inductance for t > 0. (5)

Figure (3)

4. The current through a 4F capacitance is given by the following s-domain equation

24(s +2)

7 . Find voltage across the capacitance v(t). (5)
(s+1)(s+3)

I(s)

5. Determine the h-parameters of the network shown in figure (4) and hence check

whether the network is symmetrical. (5)

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