Explore topic-wise MCQs in Network Theory.

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.

101.

The power absorbed by 2 resistor

A. 450W
B. 4W
C. 225W
D. None of these
Answer» B. 4W
Discussion
102.

Power delivered by 6A current source

A. 6W
B. 6W
C. 24W
D. 24W
Answer» C. 24W
Discussion
103.

The power delivered by 8A current source

A. 208W
B. 240W
C. 208W
D. None of these
Answer» B. 240W
Discussion
104.

Power absorbed by element F

A. 20W
B. 25W
C. 20W
D. 25W
Answer» D. 25W
Discussion
105.

For the circuit shown below, V

A. 40V
B. 30V
C. 20V
D. 10V
Answer» B. 30V
Discussion
106.

Norton s current in the circuit shown below is

A. 2/5 i
B. Zero
C. Infinite
D. None
Answer» C. Infinite
Discussion
107.

Thevenin voltage in the circuit shown below is

A. 3V
B. 2 5V
C. 2V
D. 4V
Answer» E.
Discussion
108.

The circuit shown in the figure above

A. is reciprocal but not symmetrical
B. is not reciprocal but symmetrical
C. is both reciprocal and symmetrical
D. is neither reciprocal nor symmetrical
Answer» B. is not reciprocal but symmetrical
Discussion
109.

The voltage V for the network shown below is

A. 10V
B. 15V
C. 5V
D. None of these
Answer» B. 15V
Discussion
110.

The average power delivered by the dependent current source for the circuit shown below

A. 4 107W
B. 7 107W
C. 4 107W
D. 7 107W
Answer» E.
Discussion
111.

Two AC sources feed a common variable resistive load as shown in figure. Under the maximum power transfer condition, the power absorbed by the load resistance R

A. 2200W
B. 1250W
C. 500W
D. 625W
Answer» D. 625W
Discussion
112.

In the AC network shown in the figure, the phasor voltage V

A. 0
B. 5 30
C. 12 5 30
D. 17 30
Answer» E.
Discussion
113.

The value of Z in figure which is most appropriate to cause parallel resonance at 500 Hz is

A. 125 00 mH
B. 304 20 F
C. 2 0 F
D. 0 05 F
Answer» E.
Discussion
114.

If a resistance R of 1 is connected across the terminals AB as shown in the given figure then the current flowing through R will be

A. 1A
B. 0 5A
C. 0 25A
D. 0 125A
Answer» D. 0 125A
Discussion
115.

For the circuit shown below, the value of I

A. 2A
B. 1A
C. 3 6A
D. None of these
Answer» D. None of these
Discussion
116.

The impedance matrices of two, two-port networks are given by

A. <table><tr><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-obracket-h1.gif"></td><td><center>3</center></td><td><center>5</center></td><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-cbracket-h1.gif"></td></tr><tr><td style="text-align: center;">2</td><td style="text-align: center;">25</td></tr></table>
B. <table><tr><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-obracket-h1.gif"></td><td><center>18</center></td><td><center>7</center></td><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-cbracket-h1.gif"></td></tr><tr><td style="text-align: center;">7</td><td style="text-align: center;">28</td></tr></table>
C. <table><tr><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-obracket-h1.gif"></td><td><center>15</center></td><td><center>2</center></td><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-cbracket-h1.gif"></td></tr><tr><td style="text-align: center;">5</td><td style="text-align: center;">3</td></tr></table>
D. Intermediate
Answer» C. <table><tr><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-obracket-h1.gif"></td><td><center>15</center></td><td><center>2</center></td><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-cbracket-h1.gif"></td></tr><tr><td style="text-align: center;">5</td><td style="text-align: center;">3</td></tr></table>
Discussion
117.

If the transmission parameters of the network shown below are A = C = 1, B = 2 and D = 3, then the value of Z

A. 12/13
B. 13/12
C. 3
D. 4
Answer» B. 13/12
Discussion
118.

A linear resistive circuit has two inputs V

A. 30V
B. -30V
C. 12V
D. None of these
Answer» B. -30V
Discussion
119.

The circuit shown in figure 1 is replaced by that in figure 2. If current I remains the same, then R

A. Zero
B. R
C. 2R
D. 4R
Answer» E.
Discussion
120.

The effective resistance between terminals A and B in the circuit shown below is

A. R
B. R 1
C. R/2
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>6</center></td><td rowspan="2">R</td></tr><tr><td style="text-align: center;">11</td></tr></table>
E.
Answer» D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>6</center></td><td rowspan="2">R</td></tr><tr><td style="text-align: center;">11</td></tr></table>
Discussion
121.

For the circuit shown below, the current delivered by 24V source

A. 1 142A
B. 1 142A
C. 2 200A
D. 2 284A
Answer» D. 2 284A
Discussion
122.

For the circuit shown below, the power absorbed by the 4 resistor is

A. 2500W
B. 2578W
C. 156 25W
D. None of these
Answer» E.
Discussion
123.

Figure shown below is described by equation

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>dv</center></td><td rowspan="2">+</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>v</center></td><td rowspan="2">+</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>i</center></td><td rowspan="2">= 0</td></tr><tr><td style="text-align: center;">4</td><td style="text-align: center;">dt</td><td style="text-align: center;">4</td><td style="text-align: center;">2</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>dv</center></td><td rowspan="2">+</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>v</center></td><td rowspan="2">-</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>i</center></td><td rowspan="2">= 0</td></tr><tr><td style="text-align: center;">4</td><td style="text-align: center;">dt</td><td style="text-align: center;">4</td><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>4</center></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>dv</center></td><td rowspan="2">+</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>v</center></td><td rowspan="2">+</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>i</center></td><td rowspan="2">= 0</td></tr><tr><td style="text-align: center;">3</td><td style="text-align: center;">dt</td><td style="text-align: center;">4</td><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>4</center></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>dv</center></td><td rowspan="2">+</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>v</center></td><td rowspan="2">-</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>i</center></td><td rowspan="2">= 0</td></tr><tr><td style="text-align: center;">3</td><td style="text-align: center;">dt</td><td style="text-align: center;">4</td><td style="text-align: center;">2</td></tr></table>
Answer» C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4</center></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>dv</center></td><td rowspan="2">+</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>v</center></td><td rowspan="2">+</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>i</center></td><td rowspan="2">= 0</td></tr><tr><td style="text-align: center;">3</td><td style="text-align: center;">dt</td><td style="text-align: center;">4</td><td style="text-align: center;">2</td></tr></table>
Discussion
124.

The circuit shown in figure below is equivalent to a load of

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4</center></td><td rowspan="2"> </td></tr><tr><td style="text-align: center;">3</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>8</center></td><td rowspan="2"> </td></tr><tr><td style="text-align: center;">3</td></tr></table>
C. 4
D. 2
Answer» C. 4
Discussion
125.

In a two element series network, the voltage and current respectively given as,

A. 0 9
B. 0 6
C. 0 3
D. 0 1
Answer» C. 0 3
Discussion
126.

For the circuit shown in the figure, the Thevenin voltage and resistance looking into X Y are

A. 4/3V, 2
B. 4V, 3/2
C. 4/3V, 2/3
D. 4V, 2
Answer» E.
Discussion
127.

The reading of high impedance voltmeter V in the bridge circuit shown in the given figure

A. Zero
B. 3 33V
C. 4 20V
D. 6 66V
Answer» C. 4 20V
Discussion
128.

For the circuit shown below, the V

A. 6V
B. 6V
C. 4V
D. 4V
Answer» B. 6V
Discussion
129.

For the circuit shown below, the current I

A. 0 4A, 16W
B. 0 4A, 16W
C. 4A, 160W
D. 4A, 160W
Answer» C. 4A, 160W
Discussion
130.

Two coils having self-inductances of 0 09H and 0 1H and a mutual inductance of 0 015H. The coefficient of coupling between the coils is

A. 0 06
B. 0 5
C. 1 0
D. 0 05
Answer» C. 1 0
Discussion
131.

Calculate total current I

A. 0 24 33
B. 2 4 33
C. 24 30
D. None of these
Answer» B. 2 4 33
Discussion
132.

The effective inductance of the circuit shown below

A. 12H
B. 26H
C. 20H
D. None of these
Answer» C. 20H
Discussion
133.

The value of VA in the circuit shown in the given figure is

A. 1V
B. 2V
C. 3V
D. 4V
Answer» D. 4V
Discussion
134.

The phasor combination of resistive power and reactive power is called

A. true power
B. apparent power
C. reactive power
D. average power
Answer» C. reactive power
Discussion
135.

The phase angle between voltage and current

A. 20 5
B. 20 5
C. 22 5
D. None of these
Answer» B. 20 5
Discussion
136.

Current I?

A. 0 77 20 5
B. 0 77 20 5
C. 2 77 20 5
D. 1 77 20 5
Answer» B. 0 77 20 5
Discussion
137.

The equivalent impedance?

A. 15 82 20
B. 25 87 20 5
C. 25 87 20 5
D. None of these
Answer» C. 25 87 20 5
Discussion