# Network Theorems Objective Questions and Answers

In this article, we shared the network theorems objective questions and answers for electrical and electronics engineers.

## Network Theorems Objective Questions

The below list provides all the multiple-choice questions related to the network theorems.

Answers are available at the bottom of the article.

1. Kirchhoff’s current law states that

2. The superposition theorem is applicable to

3. A capacitor is generally a

4. Which of the following is not a nonlinear element?

5. The number of independent equations to solve a network is equal to

6. Kirchhoff’s current law is applicable to only

7. What is the number of chords of a connected graph G of n vertices and e edges?

8. An ideal voltage source should have

9. In a delta network each element has the value R. The value of each element in the equivalent star network will be

10. A linear resistor having 0 < R < ∞ is a

11. A circuit having neither any energy source nor emf source is called the____ circuit.

12. A closed path made by several branches of the network is known as

13. A network having one or more than one source of emf is known as ____ network.

14. Superposition theorem is applicable for:

15. Which of the following theorems is applicable for both linear and nonlinear circuits?

16. The superposition theorem is applicable to

17. A connected network of N > 2 nodes has at most one branch directly connecting any pair of nodes. The graph of the network

18. A passive network is one that contains

19. Millman’s theorem yields

20. Constant voltage source is

21. The first and last critical frequency of an RC-driving point impedance function must respectively be

22. The elements which are not capable of delivering energy by its own are known as

23. Which of the following statements is/are correct?

24. In Thevenin’s theorem, to find Z

25. For a voltage source

26. Which of the following is not bilateral element?

27. A pole of driving point admittance function implies

28. For maximum transfer of power, the internal resistance of the source should be

29. An electric circuit with 10 branches and 7 nodes will have

30. A dependent source

31. If the number of branches in a network is ‘B’, the number of nodes is ‘N’ and the number of dependent loops is ‘L’ then the number of independent node equations will be

32. Choose the incorrect statement.

33. Ideal voltage sources have

34. A, B, C and D represent the transmission parameters of a two-port network. When is the network reciprocal?

35. A network has 4 nodes and 3 independent loops. What is the number of branches in the network?

36. The circuit whose properties are the same in either direction is known as

37. A network that contains one or more than one source of e.m.f. is known as

38. For high efficiency of transfer of power, the internal resistance of the source should be

39. According to Kirchhoff’s voltage law, the algebraic sum of all IR drops and e.m.fs. in any closed loop of a network is always

40. If a circuit does not contain any source of energy or e.m.f. it is known as

41. there are b branches and n nodes the number of equations will be

42. In a balanced Wheatstone bridge, if the positions of detector and source are interchanged, the bridge will still remain balanced. This inference can be drawn from

43. Which of the following is an active element in a circuit?

44. Which of the following is the passive element?

45. Kirchhoff’ s laws are valid for

46. A practical current source is represented by

47. A voltage source having an open-circuit voltage of 100 V and internal resistance of 50 ω is equivalent to a current source

48. To neglect a voltage source, the terminals across the source are

49. If the energy is supplied from a source, whose resistance is i ohm, to a load of loo ohms the source will be

50. “In any network containing more than one sources of e.m.f. the current in any branch is the algebraic sum of a number of individual fictitious currents (the number being equal to the number of sources of e.m.f.), each of which is due to separate action of each source of e.m.f., taken in order, when the remaining sources of e.m.f. are replaced by conductors, the resistances of which are equal to the internal resistances of the respective sources”.​

The above statement is associated with

51. Kirchhoff’s voltage law is concerned with

52. Superposition theorem is not applicable for

53. A delta circuit has each element of value R/2. The equivalent elements of star circuit with be

54. Which of the following theorems can be applied to any network linear or nonlinear, active or passive, time-variant or time-invariant?

55. The poles and zeroes of an all-pass network are located in which part of the s-plane?

56. Kirchhof’s voltage law applies to circuits with

57. When the power transferred to the load is maximum, the efficiency of power transfer is

58. Kirchhoff’s laws are not applicable to circuits with

59. The theorem that enables a number of voltage (or current) sources to be combined directly into a single voltage (or current) source is the____ theorem.

60. In nodal analysis, if there are N nodes in the circuit, then how many equations will be written to solve the network?

61. Thevenin resistance RTH ​​is found

62. Pole of a network is a frequency at which

63. Maxwell’s loop current method of solving electrical networks

64. Which of the following is a non-linear circuit parameter?

65. Ideal current sources have

66. The number of possible ordered trees with 3 nodes A, B, C is

67. While calculating RTH ​​in Thevenin’s theorem and Norton equivalent

68. Superposition theorem can be applied only to circuits having

69. A human nerve cell has an open-circuit voltage of 80 mV and it can deliver a current of 5 nA through a 6 M ohm load. What is the maximum power available from the cell?

70. In a series-parallel circuit, any two resistances in the same current path must be in

71. A terminal where three on more branches meet is known as

72. Efficiency of power transfer when the maximum transfer of power occurs is

73. “In any linear bilateral network, if a source of e.m.f. E in any branch produces a current I in any other branch, then same e.m.f. acting in the second branch would produce the same current I in the first branch”.

The above statement is associated with

74. While determining​ ​the RTH of a circuit

75. “Maximum power output is obtained from a network when the load resistance is equal to the output resistance of the network as seen from the terminals of the load”.

The above statement is associated with

76. An ideal voltage source should have

77. A star circuit has an element of resistance R/2. The equivalent delta elements will be

78. The lowest and the highest critical frequencies of an R-L driving point impedance are, respectively

79. The first and the last critical frequencies (singularities) of a driving point impedance function of a passive network having two kinds of elements, are a pole and a zero respectively.

The above property will be satisfied by

80. While Thevenizing a circuit between two terminals, VTH ​​is equal to

81. Between the branch voltages of a loop the Kirchhoffs voltage law imposes

82. To determine the polarity of the voltage drop across a resistor, it is necessary to know

83. Which of the following is a bilateral element?

84. Application of Norton’s theorem to a circuit yields

85. Kirchhoff’s voltage law is related to

86. A passive 2-port network is in a steady state. Compared to its input, the steady-state output can never offer

87. The superposition theorem requires as many circuits to be solved as there are

88. The concept on which the Superposition theorem is based is

89. “Any number of current sources in parallel may be replaced by a single current source whose current is the algebraic sum of individual source currents and source resistance is the parallel combination of individual source resistances”.

The above statement is associated with

90. Nodal analysis is based on

91. An ideal voltage source has

92. The graph of an electrical network has N nodes and B branches. The number of links, L, with respect to the choice of a tree, is given by

93. Millman’s theorem yields equivalent

94. The circuit has resistors, capacitors, and semiconductor diodes. The circuit will be known as

95. The circuit having the same properties in either direction is known as____circuit.

96. For a linear network containing generators and impedances, the ratio of the voltage to the current produced in other loop is the same as the ratio of voltage and current obtained if the positions of the voltage source and the ammeter measuring the current are interchanged.

The network theorem is known as

97. A constant current source supplies a current of 300 mA to a load of 1 kω. When the load is changed to 100 ω, the load current will be

98. A network has 10 nodes and 17 branches. The number of different node pair voltage would be

99. For a voltage source

100. Which of the following is a linear and bilateral parameter?

101. For a two-port symmetrical bilateral network, if A = 3 and B = 1 ω, the value of parameter C will be

102. The terminals across the source are ____ if a current source is to be neglected.

103. A non-linear network does not satisfy