MCQOPTIONS
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MCQOPTIONS
This section includes 137 Mcqs, each offering curated multiple-choice questions to sharpen your Network Theory knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
In the circuit shown in the figure, the value of the current i will be given by |
| A. | 0 5A |
| B. | 1 25A |
| C. | 1 75A |
| D. | 2 5A |
| Answer» B. 1 25A | |
| 52. |
Assuming ideal elements in the circuit shown below, the voltage V |
| A. | 3V |
| B. | 0V |
| C. | 3V |
| D. | 5V |
| Answer» B. 0V | |
| 53. |
Consider the circuit shown below. What is the power delivered by the 24V source? |
| A. | 96W |
| B. | 144W |
| C. | 192W |
| D. | 288W |
| Answer» E. | |
| 54. |
In figure, the value of R is |
| A. | 10 |
| B. | 18 |
| C. | 24 |
| D. | 12 |
| Answer» B. 18 | |
| 55. |
In figure, the value of the source voltage is |
| A. | 12V |
| B. | 24V |
| C. | 50V |
| D. | 44V |
| Answer» D. 44V | |
| 56. |
The voltage V for the network shown below is always equal to |
| A. | 9V |
| B. | 5V |
| C. | 1V |
| D. | None of these |
| Answer» B. 5V | |
| 57. |
In the circuit shown below, what is the voltage across 5 resistor i.e. (V |
| A. | 30V |
| B. | 30V |
| C. | 1250V |
| D. | 1250V |
| Answer» C. 1250V | |
| 58. |
In the circuit shown in the figure below, for what value of C will the current I be in phase with the sinusoidal source voltage V |
| A. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 1</center></td><td rowspan="2">F</td></tr><tr><td style="text-align: center;">4</td></tr></table> |
| B. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 1</center></td><td rowspan="2">F</td></tr><tr><td style="text-align: center;">2</td></tr></table> |
| C. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 1</center></td><td rowspan="2">F</td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">2</span></td></tr></table> |
| D. | 1F |
| Answer» C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 1</center></td><td rowspan="2">F</td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">2</span></td></tr></table> | |
| 59. |
The laplace transform of the waveform shown in the figure is |
| A. | 0 5 |
| B. | 1 5 |
| C. | 0 5 |
| D. | 2 0 |
| Answer» D. 2 0 | |
| 60. |
Which one of the following is the transfer function of an electrical low pass filter using R and C elements? |
| A. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>RCS</center></td></tr><tr><td style="text-align: center;">(1 + RCS)</td></tr></table> |
| B. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 1</center></td></tr><tr><td style="text-align: center;">(1 + RCS)</td></tr></table> |
| C. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> RC</center></td></tr><tr><td style="text-align: center;">(1 + RCS)</td></tr></table> |
| D. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> S</center></td></tr><tr><td style="text-align: center;">(1 + RCS)</td></tr></table> |
| Answer» C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> RC</center></td></tr><tr><td style="text-align: center;">(1 + RCS)</td></tr></table> | |
| 61. |
Consider the circuit as shown below which has a current dependent current source. The value V |
| A. | 1 |
| B. | 2 |
| C. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 1 + </center></td></tr><tr><td style="text-align: center;">2 + </td></tr></table> |
| D. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> </center></td></tr><tr><td style="text-align: center;">2 + </td></tr></table> |
| Answer» D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> </center></td></tr><tr><td style="text-align: center;">2 + </td></tr></table> | |
| 62. |
In the circuit shown below, RL will absorb maximum power when its value is |
| A. | 2 75 |
| B. | 7 5 |
| C. | 25 |
| D. | 27 |
| Answer» D. 27 | |
| 63. |
What is the value of Z |
| A. | 2 |
| B. | 1/2 |
| C. | 1 |
| D. | 2 |
| Answer» C. 1 | |
| 64. |
What is the open circuit impedance Z |
| A. | 10 + 2s |
| B. | <table><tr><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-oparen-h1.gif"></td><td rowspan="2">10 -</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 4</center></td><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-cparen-h1.gif"></td></tr><tr><td style="text-align: center;">s</td></tr></table> |
| C. | |
| D. | <table><tr><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-oparen-h1.gif"></td><td rowspan="2">10 +</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 4</center></td><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-cparen-h1.gif"></td></tr><tr><td style="text-align: center;">s</td></tr></table> |
| E. | 10 2s |
| Answer» B. <table><tr><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-oparen-h1.gif"></td><td rowspan="2">10 -</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 4</center></td><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-cparen-h1.gif"></td></tr><tr><td style="text-align: center;">s</td></tr></table> | |
| 65. |
Which of the following are the conditions for a two port passive network to be a reciprocal one? |
| A. | Only 1 and 2 |
| B. | Only 2 and 3 |
| C. | Only 1 and 3 |
| D. | 1, 2 and 3 |
| Answer» E. | |
| 66. |
The given circuit is a combination of |
| A. | resistance of 2 4 in series with capacitive reactance 2 8 |
| B. | resistance of 2 4 in series with capacitive reactance 2 4 |
| C. | resistance of 2 8 in series with capacitive reactance 2 4 |
| D. | resistance of 2 4 in parallel with capacitive reactance 2 8 |
| Answer» B. resistance of 2 4 in series with capacitive reactance 2 4 | |
| 67. |
The total impedance of the circuit |
| A. | 83 3 33 |
| B. | 83 3 33 |
| C. | 38 3 33 |
| D. | None of these |
| Answer» C. 38 3 33 | |
| 68. |
The phase angle for the circuit shown below is |
| A. | 47 7 |
| B. | 47 7 |
| C. | 37 8 |
| D. | 38 8 |
| Answer» B. 47 7 | |
| 69. |
The phase angle of the circuit |
| A. | 33 |
| B. | 33 |
| C. | 33 6 |
| D. | None of these |
| Answer» B. 33 | |
| 70. |
In the circuit shown below, viewed from AB, the circuit can be reduced to an equivalent circuit as |
| A. | 5V source in series with 10 resistor |
| B. | 7V source in series with 2 4 resistor |
| C. | 15V source in series with 2 4 resistor |
| D. | 1V source in series with 10 resistor |
| Answer» C. 15V source in series with 2 4 resistor | |
| 71. |
In the circuit shown in the given figure, power dissipated in the 5 resistor is |
| A. | Zero |
| B. | 80W |
| C. | 125W |
| D. | 405W |
| Answer» B. 80W | |
| 72. |
The two electrical subnetworks N |
| A. | 105V |
| B. | + 105V |
| C. | 15V |
| D. | + 15V |
| Answer» B. + 105V | |
| 73. |
Which one of the following parameters does not exist for the two-port network shown in the given figure |
| A. | ABCD |
| B. | Y |
| C. | h |
| D. | Z |
| Answer» E. | |
| 74. |
A dc circuit shown below has a voltage V, a current source I and several resistors. A particular resistor R dissipates a power of 4W when V alone is active. The same resistor dissipates a power of 9W when I alone is active. The power dissipated by R when both sources are active will be |
| A. | 1W |
| B. | 5W |
| C. | 13W |
| D. | 25W |
| Answer» E. | |
| 75. |
For the given network, the current I is |
| A. | 2A |
| B. | 5A |
| C. | 7A |
| D. | 9A |
| Answer» D. 9A | |
| 76. |
A network contains only independent current sources and resistors. If the values of all resistors are doubled, the values of node voltage |
| A. | will become half |
| B. | will remain unchanged |
| C. | will become double |
| D. | cannot be determined unless the circuit configuration and the values of the resistors are known |
| Answer» D. cannot be determined unless the circuit configuration and the values of the resistors are known | |
| 77. |
What are the source voltage and source resistance, respectively for the Thevenin s equivalent circuit as seen from the terminals indicated in the circuit given above? |
| A. | 2 0 V, 24 |
| B. | 20V, 48 |
| C. | 20V, 4 8 |
| D. | 20V, 12 |
| Answer» C. 20V, 4 8 | |
| 78. |
In figure, the admittance values of the elements in siemens are Y |
| A. | 1 5 + j0 5 |
| B. | 5 j18 |
| C. | 0 5 + j1 8 |
| D. | 5 j12 |
| Answer» E. | |
| 79. |
For the circuit shown below, the potential difference between points P and Q is |
| A. | 12V |
| B. | 10V |
| C. | 6V |
| D. | 8V |
| Answer» D. 8V | |
| 80. |
In the given figure, the Thevenin s equivalent pair (voltage, impedance), as seen at the terminals P Q, is given by |
| A. | (2V, 5 ) |
| B. | (2V, 7 5 ) |
| C. | (4V, 5 ) |
| D. | (4V, 7 5 ) |
| Answer» B. (2V, 7 5 ) | |
| 81. |
The circuit shown below, will act as an ideal current source with respect to terminals A and B, when frequency is |
| A. | Zero |
| B. | 1 rad/sec |
| C. | 4 rad/sec |
| D. | 16 rad/sec |
| Answer» D. 16 rad/sec | |
| 82. |
For the circuit shown below, the power absorbed by 2 resistor and power delivered by 10V source will be |
| A. | 2W, 10W |
| B. | 2W, 10W |
| C. | 2W, 10W |
| D. | 2W, 10W |
| Answer» D. 2W, 10W | |
| 83. |
For the circuit shown below, the current supplied by the sinusoidal current source I is |
| A. | 28A |
| B. | 4A |
| C. | 20A |
| D. | Not determinable from the given data |
| Answer» D. Not determinable from the given data | |
| 84. |
For the network shown below, the power consumed in the resistance R is measured when one source is acting at a time, these values are 18W, 50W and 98W. When all the sources are acting simultaneously, the possible maximum and minimum values of power in R will be |
| A. | 98W and 18W |
| B. | 166W and 18W |
| C. | 450W and 2W |
| D. | 166W and 2W |
| Answer» D. 166W and 2W | |
| 85. |
What is the value of the parameter h |
| A. | 0 125 |
| B. | 0 167 |
| C. | 0 250 |
| D. | 0 625 |
| Answer» D. 0 625 | |
| 86. |
The circuit shown in the above figure |
| A. | 1 and 3 |
| B. | 1 and 2 |
| C. | 1 and 4 |
| D. | 3 only |
| Answer» B. 1 and 2 | |
| 87. |
What is the value of R required for maximum power transfer in the network shown above? |
| A. | 2 |
| B. | 4 |
| C. | 8 |
| D. | 16 |
| Answer» D. 16 | |
| 88. |
What is the Thevenin resistance seen from the terminals AB of the circuit shown above in the figure? |
| A. | 2 |
| B. | 4 |
| C. | 8 |
| D. | 12 |
| Answer» B. 4 | |
| 89. |
If element A generates 20W of power, find V |
| A. | 40V |
| B. | 5V |
| C. | 10V |
| D. | None of these |
| Answer» C. 10V | |
| 90. |
For the a.c. circuit given below, what is the value of I? |
| A. | 1 + j 1 |
| B. | 1 + j 0 |
| C. | 0 j 1 |
| D. | 0 j 0 |
| Answer» E. | |
| 91. |
The value of voltage V |
| A. | 7V |
| B. | 6V |
| C. | 6V |
| D. | 7V |
| Answer» B. 6V | |
| 92. |
The power absorbed by 5 resistor |
| A. | 5W |
| B. | 25W |
| C. | 30W |
| D. | None of these |
| Answer» B. 25W | |
| 93. |
The power delivered by 4V source |
| A. | 36W |
| B. | 36W |
| C. | 60W |
| D. | 60W |
| Answer» B. 36W | |
| 94. |
The power delivered by 7A current source |
| A. | 217W |
| B. | 217W |
| C. | 35W |
| D. | None of these |
| Answer» C. 35W | |
| 95. |
For the circuit shown below, V = 30V. Find R |
| A. | 600 |
| B. | 300 |
| C. | 900 |
| D. | None of these Statement for |
| Answer» C. 900 | |
| 96. |
The average power delivered by the 500 0 voltage source and dependent source for the circuit shown below |
| A. | 5 432 kW, 2 833 kW |
| B. | 54 32 kW, 2 833 kW |
| C. | 28 33 kW, 5 432 kW |
| D. | 2 833 kW, 5 432 kW |
| Answer» B. 54 32 kW, 2 833 kW | |
| 97. |
For the circuit shown below, the voltage across 30 resistor is 45 volts. The reading of ammeter A will be |
| A. | 10A |
| B. | 3 5A |
| C. | 22 4A |
| D. | 28A |
| Answer» C. 22 4A | |
| 98. |
The power absorbed by element B |
| A. | 14W |
| B. | 20W |
| C. | 10W |
| D. | None of these |
| Answer» B. 20W | |
| 99. |
RL = ? |
| A. | 12 |
| B. | 8 |
| C. | 10 |
| D. | None of these |
| Answer» B. 8 | |
| 100. |
The time constant for the given circuit will be |
| A. | 1/9 s |
| B. | 1/4 s |
| C. | 4s |
| D. | 9s |
| Answer» D. 9s | |