B B3804 Pages: 3

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7
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L ப்பு ஸ்ப 1௦3 10 3 ध
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oS +¢ ತೌ 1 \ ஆ 0
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Figure 3

Figure 2

11 (a) Draw the Norton’s equivalent circuit and Thevenin’s equivalentcircuit of (5)

Fig. 4.
(b) Obtain basic cutset matrix for the oriented graph shown in Fig. 5. Take 1,2,3 25 (5)
twigs.
40
A
21 10൨
B
Figure 4 Figure 5
PART C
Answer any two full questions, each carries 10 marks
12 For the circuit shown in Fig.6 , the DPDT switch at position 2 for 8 long time. (10)

At t=0 sec. contact is moved from position 2 to | andat t= 10 sec. the contact is
moved from 1 to 2, Derive a expression for the 100) and vc(t) in both cases.

Plot variation of ic(t) and 7).

1140 4 0.5MQ

10V 0.೫೧

Figure 6

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