Explore topic-wise MCQs in Network Theory.

This section includes 289 Mcqs, each offering curated multiple-choice questions to sharpen your Network Theory knowledge and support exam preparation. Choose a topic below to get started.

251.

The current flowing through the voltage source in the below circuit is

A. 1.0 A
B. 0.75 A
C. 0.5 A
D. 0.25 A
Answer» B. 0.75 A
Discussion
252.

In the circuit shown below, the voltage across 2 resistor is 20V. The 5 resistor connected between the terminals A and B can be replaced by an ideal

A. Voltage source of 25 V with + terminal upward
B. Voltage source of 25 V with + terminal downward
C. Current source of 2 A upward
D. Current source of 2 A downward
Answer» B. Voltage source of 25 V with + terminal downward
Discussion
253.

The given symbol represents

A. Practical battery
B. Ideal battery
C. Both (A) and (B)
D. None of these
Answer» C. Both (A) and (B)
Discussion
254.

The wall socket of a typical home represents

A. Practical current source
B. Practical voltage source
C. Both (A) and (B)
D. None of these
Answer» C. Both (A) and (B)
Discussion
255.

Kirchoff s laws fail in case of

A. Non-linear networks
B. Linear networks
C. Dual networks
D. Distributed parameter networks
Answer» B. Linear networks
Discussion
256.

The total power consumed in the circuit shown in the figure is

A. 10 W
B. 12 W
C. 16 W
D. 20 W
Answer» C. 16 W
Discussion
257.

The power delivered by element 3 in figure shown below is

A. 28W
B. 50W
C. 42W
D. None of these
Answer» C. 42W
Discussion
258.

For the circuit arrangement shown below. Calculate the value of R under maximum power transfer condition

A. 9
B. 25
C. 0
D. None of these
Answer» D. None of these
Discussion
259.

Calculate the value of R in ohms under maximum power transfer condition for the circuit shown below

A. 80
B. 0
C. 40
D. 10
Answer» C. 40
Discussion
260.

For the circuit shown below. Calculate the value of load impedance when the load is pure resistive, under maximum power transfer condition

A. (60 j80)
B. (60 + j80)
C. 100
D. None of these
Answer» D. None of these
Discussion
261.

Calculate the Y parameter for the given network

A. <table><tr><td rowspan="2"></td><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-obracket-h1.gif"></td><td><center>2.5</center></td><td rowspan="2"></td><td><center>3.5</center></td><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-cbracket-h1.gif"></td><td rowspan="2"></td></tr><tr><td align="center">1.5</td><td align="center">4.5</td></tr></table>
B. <table><tr><td rowspan="2"></td><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-obracket-h1.gif"></td><td><center>2.5</center></td><td rowspan="2"></td><td><center>3.5</center></td><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-cbracket-h1.gif"></td><td rowspan="2"></td></tr><tr><td align="center">0.5</td><td align="center">3.5 </td></tr></table>
C. <table><tr><td rowspan="2"></td><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-obracket-h1.gif"></td><td><center>1.5</center></td><td rowspan="2"></td><td><center>3.0</center></td><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-cbracket-h1.gif"></td><td rowspan="2"></td></tr><tr><td align="center">1.0</td><td align="center">4.5</td></tr></table>
D. None of these
Answer» C. <table><tr><td rowspan="2"></td><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-obracket-h1.gif"></td><td><center>1.5</center></td><td rowspan="2"></td><td><center>3.0</center></td><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-cbracket-h1.gif"></td><td rowspan="2"></td></tr><tr><td align="center">1.0</td><td align="center">4.5</td></tr></table>
Discussion
262.

Calculate Z parameter for the circuit given below

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>14</center></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>8</center></td></tr><tr><td align="center">13</td><td align="center">13</td></tr><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>216</center></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>314</center></td></tr><tr><td align="center">117</td><td align="center">117</td></tr></table>
B.
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>13</center></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>13</center></td></tr><tr><td align="center">14</td><td align="center">8</td></tr><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>117</center></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>117</center></td></tr><tr><td align="center">216</td><td align="center">314</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>12</center></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>9</center></td></tr><tr><td align="center">13</td><td align="center">13</td></tr><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>116</center></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>114</center></td></tr><tr><td align="center">117</td><td align="center">117</td></tr></table>
E. None of these
Answer» C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>13</center></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>13</center></td></tr><tr><td align="center">14</td><td align="center">8</td></tr><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>117</center></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>117</center></td></tr><tr><td align="center">216</td><td align="center">314</td></tr></table>
Discussion
263.

For the circuit shown below. The dependent source

A. Supplies 40 W
B. Absorbs 50 W
C. Supplies 50 W
D. Absorbs 40 W
Answer» C. Supplies 50 W
Discussion
264.

For the circuit shown below. Power is delivered by

A. Dependent source of 192 W
B. Dependent source of 368 W
C. Independent source of 192 W
D. Independent source of 436 W
Answer» E.
Discussion
265.

The power factor seen by the voltage source

A. 0.8 lagging
B. 0.8 leading
C. 0.6 lagging
D. 0.6 leading
Answer» C. 0.6 lagging
Discussion
266.

The average power by the dependent source is

A. Supplied by 59.4 W
B. Absorbed by 59.4 W
C. Supplied by 118.8 W
D. Absorbed by 118.8 W
Answer» B. Absorbed by 59.4 W
Discussion
267.

For the circuit given below, the power absorbed by the load R

A. 4W
B. 8W
C. 2W
D. None of these
Answer» C. 2W
Discussion
268.

Dependent source

A. Delivers 80W
B. Delivers 45W
C. Absorbs 80W
D. Absorbs 75W
Answer» C. Absorbs 80W
Discussion
269.

Voltage across the terminal a and b

A. 3V
B. 3V
C. 5V
D. 5.5V
Answer» E.
Discussion
270.

For the circuit shown below

A. Power absorbed by the dependent source is 80W
B. Power delivered by the dependent source is 80W
C. Power absorbed by the Independent source is 80W
D. Power delivered by the Independent source is 80W
Answer» C. Power absorbed by the Independent source is 80W
Discussion
271.

The equivalent circuit across a-b will be

A. <img src="http://images.interviewmania.com/wp-content/uploads/2019/05/232a.png">
B.
C. <img src="http://images.interviewmania.com/wp-content/uploads/2019/05/232b.png">
D. <img src="http://images.interviewmania.com/wp-content/uploads/2019/05/232c.png">
E. <img src="http://images.interviewmania.com/wp-content/uploads/2019/05/232d.png">
Answer» B.
Discussion
272.

The T-parameters of a 2-port network are

A. <img src="http://images.interviewmania.com/wp-content/uploads/2019/05/231a.png">
B. <img src="http://images.interviewmania.com/wp-content/uploads/2019/05/231b.png">
C. <img src="http://images.interviewmania.com/wp-content/uploads/2019/05/231c.png">
D. <img src="http://images.interviewmania.com/wp-content/uploads/2019/05/231d.png">
Answer» D. <img src="http://images.interviewmania.com/wp-content/uploads/2019/05/231d.png">
Discussion
273.

The energy required to move 50 coulomb through 3 V is

A. 125 mJ
B. 150 J
C. 400 J
D. 2.78 J
Answer» C. 400 J
Discussion
274.

If 120 C of charge passes through an electric conduction in 30 sec, the current in the conductor is

A. 0.5 A
B. 2 A
C. 8 A
D. 4 A
Answer» E.
Discussion
275.

In the circuit of fig. below power is absorbed by

A. dependent source of 6 W
B. dependent source of 60 W
C. independent source of 6 W
D. independent source of 60 W
Answer» B. dependent source of 60 W
Discussion
276.

D.C. component of the waveform shown below is

A. 0.4 A
B. 0.4 A
C. 0.8 A
D. 0.8 A
Answer» C. 0.8 A
Discussion
277.

The voltage V

A. 11 V
B. 8 V
C. 21 V
D. None of these
Answer» E.
Discussion
278.

Calculate the value of V

A. 3 V
B. 19 V
C. 9 V
D. 19 V
Answer» B. 19 V
Discussion
279.

The each branch of circuit graph shown below represent a circuit element. The value of voltage V

A. 30 V
B. 25 V
C. 20 V
D. 15 V
Answer» E.
Discussion
280.

Calculate the value of current i

A. 5 A
B. 2 A
C. 3 A
D. 8 A
Answer» B. 2 A
Discussion
281.

Let i(t) = 3 te

A. 18.4 W
B. 9.2 W
C. 16.6 W
D. 8.3 W
Answer» D. 8.3 W
Discussion
282.

Two elements are connected in series as shown below element-1 supplies 36 W of power. Element-2

A. supplies 24 W
B. absorbs 24 W
C. supplies 32 W
D. absorb 32 W
Answer» C. supplies 32 W
Discussion
283.

Find V

A. 10 V
B. 15 V
C. 20 V
D. None of these
Answer» C. 20 V
Discussion
284.

If a resistor of 10 is placed in parallel with voltage source in the circuit shown below, the current i will be

A. increased
B. decreased
C. constant
D. It is not possible to say
Answer» D. It is not possible to say
Discussion
285.

The current in a 100 F capacitor is shown below. If capacitor is initially uncharged, then the waveform for the voltage across it is

A. <img src="http://images.interviewmania.com/wp-content/uploads/2019/05/223a.png">
B. <img src="http://images.interviewmania.com/wp-content/uploads/2019/05/223b.png">
C. <img src="http://images.interviewmania.com/wp-content/uploads/2019/05/223c.png">
D. <img src="http://images.interviewmania.com/wp-content/uploads/2019/05/223d.png">
Answer» E.
Discussion
286.

Calculate the equivalent resistance at terminal A and B

A. 100
B. 22.5
C. 60
D. 28.75
Answer» C. 60
Discussion
287.

In the circuit of fig. shown below dependent source

A. supplies 16 W
B. absorbs 16 W
C. supplies 32 W
D. absorbs 32 W
Answer» E.
Discussion
288.

The dependent source in fig. shown below

A. delivers 80 W
B. delivers 40 W
C. absorbs 40 W
D. absorbs 80 W
Answer» B. delivers 40 W
Discussion
289.

Calculate the voltage between terminal ab for figure shown below

A. 2.4 V
B. 2.6 V
C. 2.6 V
D. 2.4 V
Answer» E.
Discussion