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Networks Analysis and Synthesis - Section 1 (4)

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Directions to Solve

Networks Analysis and Synthesis - Section 1

25. 

C = (2) (energy)/V2

A. True
B. False

Answer: Option A

Explanation:

175-1248-1

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26. 

The synthesis of minimum function was suggested by

A. O'Brune
B. R. Richards
C. Bott and Duffin
D. none of the above

Answer: Option A

Explanation:

The procedure is called Brune's synthesis.

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27. 

Which of the following pairs are correctly matched?

1.Brune's realisation : realisation with ideal transformer.

2.Cauer realisation : ladder realisation.

3.Bott Duffin realisation : with non ideal transformer.

Select the answer using the following codes:

A. 1, 2 and 3
B. 2 and 3
C. 1 and 3
D. 1 and 2

Answer: Option D

Explanation:

Bott Duffins realisation does not use transformer.

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28. 

In the figure shown, A1, A2, A3 are identical Ammeters. If A1 and A3 read 5 and 13 A respectively, reading of A2 will be

133-847-1

 

A. 8
B. 13 A
C. 18
D. 12 A

Answer: Option D

Explanation:

A2 = √132 - 25 1-sym-imp 12 A.

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29. 

109-494-1

 

A. 3e-4t - e-5t
B. 3e-4t - 2e-3t
C. 2e-4t - 5e-2t
D. 3e-4t - e-t

Answer: Option B

Explanation:

164-494-1

i(t) = 3e-4t - 2e-3t

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30. 

A cable has an insulation resistance of 1010 ohms. If the length is doubled, the insulation resistance will be

 

A. 2 x 10 10 Ω
B. 0.5 x 10 10 Ω
C. 10 10 Ω
D. 4 x 10 10 Ω

Answer: Option B

Explanation:

Insulation resistance of cable is inversely proportional to length.

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31. 

In the circuit of figure, the switch is closed at t = 0. At t = 0+ the current through C is

94-178-1

A. 4 A
B. 2.5 A
C. 3.1 A
D. 0

Answer: Option A

Explanation:

Capacitor behaves as a short-circuit at t = 0.

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32. 

For node 1 in figure, KCL equation is

107-448-1

A. 107-448-2
B. 107-448-3
C. 107-448-4
D. none of the above

Answer: Option C

Explanation:

i(t) is the incoming current. The currents leaving node 1 are 163-448-1

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