Network Theory And Analysis MCQ Questions & Answers

81

In the Thevenin equivalent circuit, V_th equals

A) short-circuit terminal voltage B) open-circuit terminal voltage C) net voltage available in the circuit D) voltage of the source

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Answer & Solution

Answer: Option B

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82

The unit of electrical conductivity is

A) mho/meter B) mho/m² C) ohm/m D) ohm/m²

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Answer & Solution

Answer: Option A

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83

A series LCR circuit consisting of R = 10 Ω, |X_L| = 20 Ω and |X_C| = 20 Ω is connected across an a.c. supply of 200 V rms. The rms voltage across the capacitor is

A) 200∠-90° V B) 200∠+90° V C) 400∠+90° V D) 400∠-90° V

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Answer & Solution

Answer: Option D

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84

A polynomial must satisfy the condition that

A) Z(s) is a real function B) All the roots of P(s) have zero real parts or negative real parts C) Both A and B D) None of the above

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Answer & Solution

Answer: Option C

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85

Which of the following pairs are correctly matched?
1. Brune's realization ⟺ Realization with ideal transformer
2. Couer realization ⟺ Ladder realization
3. Bott-Duffin realization ⟺ Realization with non-ideal transformer⟺ Select the correct answer using the options given below:

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

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Answer & Solution

Answer: Option D

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86

The V-I characteristics of an element is shown in the below figure. The element is
Network Theory and Analysis mcq question image

A) Non-linear, active, non-bilateral B) Linear, active, non-bilateral C) Non-linear, passive, non-bilateral D) Non-linear, active, bilateral

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Answer & Solution

Answer: Option A

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87

The average value of the periodic function v(t) of the given figure is
Network Theory and Analysis mcq question image

A) $$\frac{{V\cos \phi }}{\pi }$$ B) $$\frac{{V\sin \phi }}{\pi }$$ C) $$\frac{{2V\sin \phi }}{\pi }$$ D) $$\frac{V}{\pi }$$

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Answer & Solution

Answer: Option A

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88

Which one of the following impedance values of load will cause maximum power to be transferred to the load for the network shown in the given figure?
Network Theory and Analysis mcq question image

A) (2 + j2) Ω B) (2 - j2) Ω C) -j2 Ω D) 2 Ω

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Answer & Solution

Answer: Option D

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89

The unit of inductance is

A) Ohm B) Mho C) Farad D) Henry

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Answer & Solution

Answer: Option D

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90

Match List-I with List-II and select the correct answer using the options given below:

List-I (Form)	List-II (Networks)
a. Couer I	1. L in series arms and C in shunt arms of a ladder
b. Couer II	2. C in series arms and L in shunt arms of a ladder
c. Foster I	3. Series combination of L and C in parallel
d. Foster II	4. Parallel combination of L and C in series

A) a-1, b-2, c-3, d-4 B) a-1, b-2, c-4, d-3 C) a-2, b-1, c-4, d-3 D) a-2, b-1, c-3, d-4

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Answer & Solution

Answer: Option A

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Network Theory And Analysis MCQ Questions & Answers | ECE