Loading...

Loading, please wait...

Back to Topics

Network Analysis
Network Basics

Practice questions from Network Basics.

56
Total
0
Attempted
0%
0
Correct
0%
0
Incorrect
0%
Q#1 Network Basics GATE EC 2024 (Set 1) NAT +1 mark -0 marks

In the given circuit, the current  (in mA) is _________.

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#2 Network Basics GATE EC 2023 (Set 1) NAT +1 mark -0 marks

In the circuit shown below, the current I flowing through 200 Ω resistor is ________ mA.

(rounded off to two decimal places).

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#3 Network Basics GATE EC 2022 (Set 1) MCQ +1 mark -0.33 marks

The minimum number of equations required to analyse the circuit shown in Figure is         

3

4

6

7

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#4 Network Basics GATE EC 2022 (Set 1) MCQ +1 mark -0.33 marks

The current I in the circuit shown is ________.         

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#5 Network Basics GATE EC 2022 (Set 1) MCQ +1 mark -0.33 marks

Consider the circuit shown in the figure. The current I flowing through the 10Ω resistor is ________.         

1 A

0 A

0.1 A

0.1 A

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#6 Network Basics GATE EC 2021 (Set 1) NAT +1 mark -0 marks

Consider the circuit shown in the figure.

The current I flowing through the 7Ω resistor between P and Q (rounded off to one decimal place) is ________ A.

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#7 Network Basics GATE EC 2018 (Set 1) NAT +2 marks -0 marks

Consider the network shown below with,and . The network is connected to a constant voltage source of 11V.

Untitled-24.png

The magnitude of the current (in amperes. accurate

to two decimal places) through the source is _______

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#8 Network Basics GATE EC 2017 (Set 1) NAT +2 marks -0 marks

A periodic variable x is shown in the figure as a function of time. The root-mean-square (rms) value of x is _________.        

D:\ECE Typed papers\ECE-Gate- 2014\EC01_2014\EC01_2014\EC01_2014 pics\Q32-1.jpg

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#9 Network Basics GATE EC 2017 (Set 2) NAT +1 mark -0 marks

A connection is made consisting of resistance A in series with a parallel combination of resistances B and C. Three resistors of value  are provided. Consider all possible permutations of the given resistors into the positions A, B, C, and identify the configurations with maximum possible overall resistance, and also the ones with minimum possible overall resistance. The ratio of maximum to minimum values of the resistances (up to second decimal place) is ______________.

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#10 Network Basics GATE EC 2017 (Set 2) NAT +2 marks -0 marks

Consider the circuit shown in the figure.

Z:\PY\ECE PY\All Updated figure\Network analysis\1-49.jpg

The Thevenin equivalent resistance across P-Q is _______________.[

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#11 Network Basics GATE EC 2016 (Set 2) MCQ +2 marks -0.66 marks

In the given circuit, each resistor has a value equal to 1Ω.

C:\Users\admin\Desktop\FREELANCER\kreatryx project 1\Project images\Q30-1.jpg

What is the equivalent resistance across the terminals a and b?

1/6 Ω

1/3 Ω

9/20 Ω

8/15 Ω  

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#12 Network Basics GATE EC 2016 (Set 1) NAT +2 marks -0 marks

In the figure shown, the current i (in ampere) is ____.

21.jpg

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#13 Network Basics GATE EC 2015 (Set 1) NAT +1 mark -0 marks

In the network shown in the figure, all resistors are identical with R = 300 Ω. The resistance  (in Ω) of the network is ______.

Q7-1.jpg

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#14 Network Basics GATE EC 2015 (Set 1) MCQ +1 mark -0.33 marks

In the given circuit, the values of  and  respectively are

5 V, 25 V

10 V, 30 V

15 V, 35 V

0 V, 20 V

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#15 Network Basics GATE EC 2014 (Set 1) MCQ +1 mark -0.33 marks

Consider the following figure

The current in the  resistor in Amps is        

2

3.33

10

12

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#16 Network Basics GATE EC 2014 (Set 1) MCQ +1 mark -0.33 marks

Consider the configuration shown in the figure which is a portion of a larger electrical network

        

For  and currents, , , which of the following is TRUE

Data is sufficient to conclude that the supposed currents  are impossible

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#17 Network Basics GATE EC 2014 (Set 1) NAT +2 marks -0.66 marks

A Y-network has resistances of 10Ω each in two of its arms, while the third arm has a resistance of 11Ω. In the equivalent -network, the lowest value (in Ω) among the three resistances is ________.

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#18 Network Basics GATE EC 2014 (Set 3) NAT +1 mark -0 marks

In the figure shown, the value of the current I (in Amperes) is__________.        

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#19 Network Basics GATE EC 2014 (Set 3) NAT +2 marks -0 marks

For the Y-network shown in the figure, the value of R1 (in Ω) in the equivalent ∆-network is ____.

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#20 Network Basics GATE EC 2014 (Set 4) MCQ +1 mark -0.33 marks

The circuit shown in the figure represents a

Voltage controlled voltage source

Voltage controlled current source

Current controlled current source

Current controlled voltage source

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#21 Network Basics GATE EC 2014 (Set 4) NAT +2 marks -0 marks

The equivalent resistance in the infinite ladder network shown in the figure, is . The value of /R is ________.

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#22 Network Basics GATE EC 2014 (Set 3) NAT +1 mark -0 marks

In the circuit shown, the voltage  (in Volts) is ___________.        

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#23 Network Basics GATE EC 2013 (Set 1) MCQ +1 mark -0.33 marks

Consider a delta connection of resistors and its equivalent star connection as shown below. If all elements of the delta connection are scaled by a factor, , the elements of the corresponding star equivalent will be scaled by a factor of

Q45

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#24 Network Basics GATE EC 2013 (Set 1) MCQ +2 marks -0.66 marks

The following arrangement consists of an ideal transformer and an attenuator which attenuates by a factor of 0.8. An ac voltage  is applied across WX to get an open circuit voltage  across YZ. Next, an ac voltage  is applied across YZ to get an open circuit voltage  across WX. Then, ,  are respectively,

 and

 and

 and

 and

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#25 Network Basics GATE EC 2013 (Set 1) MCQ +2 marks -0.66 marks

Three capacitors ,  and  whose values are ,  and  respectively, have breakdown voltages of 10V, 5V and 2V respectively. For the interconnection shown below, the maximum safe voltage in Volts that can be applied across the combination, and the corresponding total charge in  stored in the effective capacitance across the terminals are respectively,         

17.jpg

2.8 and 36

7 and 119

2.8 and 32

7 and 80

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#26 Network Basics GATE EC 2013 (Set 1) MCQ +2 marks -0.66 marks

Consider the following figure

The current  in Amps in the voltage source and voltage  in Volts across the current source respectively, are

13, -20

8, -10

-8, 20

-13, 20

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#27 Network Basics GATE EC 2012 (Set 1) MCQ +1 mark -0.33 marks

In the following figure,  and  are ideal capacitors.  has been charged to 12V before the ideal switch S is closed at t = 0. The current i(t) for all t is

Q9

Zero

A step function

An exponentially decaying function

An impulse function

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#28 Network Basics GATE EC 2012 (Set 1) MCQ +2 marks -0.66 marks

If  V, then  is

–5 V

2 V

3 V

6 V

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#29 Network Basics GATE EC 2010 (Set 1) MCQ +2 marks -0.66 marks

In the circuit shown, the power supplied by the voltage source is         

0 W

5 W

10 W

100 W

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#30 Network Basics GATE EC 2009 (Set 1) MCQ +1 mark -0.33 marks

A fully charged mobile phone with a 12 V battery is good for a 10 minute talk-time. Assume that, during the talk-time, the battery delivers a constant current of 2 A and its voltage drops linearly from 12 V to 10 V as shown in the figure. How much energy does the battery deliver during this talk-time?

1.jpg

220 J

12 kJ

13.2 kJ

14.4 kJ

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#31 Network Basics GATE EC 2009 (Set 1) MCQ +1 mark -0.33 marks

In the interconnection of ideal sources shown in the figure, it is known that the 60 V source is absorbing power. Which of the following can be the value of the current source I?

6.jpg

10 A

13 A

15 A

18

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#32 Network Basics GATE EC 2005 (Set 1) MCQ +2 marks -0.66 marks

f  and  in the bridge Circuit shown in figure, then the reading in the ideal Voltmeter connected between a and b is        24.jpg

0.238 V

0.138 V

-0.238 V

1 V

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#33 Network Basics GATE EC 2003 (Set 1) MCQ +2 marks -0.66 marks

Twelve 1Ω resistances are used as edges to form a cube. The resistance between two diagonally opposite corners of the cube is

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#34 Network Basics GATE EC 2003 (Set 1) MCQ +2 marks -0.66 marks

The current flowing through the resistance R in the circuit in figure has the form P cos 4t, where P is

(0.18+j0.72)

(0.46+j1.90)

-(0.18+j1.90)

None of these

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#35 Network Basics GATE EC 2002 (Set 1) MCQ +1 mark -0.33 marks

The dependent current source shown in Figure

        

Delivers 80 W

Absorbs 80 W

Delivers 40 W        

Absorbs 40 W

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#36 Network Basics GATE EC 2001 (Set 1) MCQ +1 mark -0.33 marks

The voltage e₀ in figure is

1.jpg

2V

4/3 V

4 V

8 V

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#37 Network Basics GATE EC 2001 (Set 1) MCQ +1 mark -0.33 marks

If each branch of a Delta circuit has impedance, then each branch of the equivalent Wye circuit has impedance.

3Z

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#38 Network Basics GATE EC 2001 (Set 1) MCQ +2 marks -0.66 marks

The voltage  in figure is         

48 V

24 V

36 V

28 V

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#39 Network Basics GATE EC 2000 (Set 1) MCQ +1 mark -0.33 marks

In the circuit of Figure, the value of the voltage source E is

2.jpg

– 16 V

4 V

– 6 V

16 V

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#40 Network Basics GATE EC 2000 (Set 1) MCQ +2 marks -0.66 marks

Use the data of Figure (a). The current I in the circuit of Figure (b) is

-2A

2A

-4A

+4A

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#41 Network Basics GATE EC 1999 (Set 1) MCQ +2 marks -0.66 marks

Delta-connected network with its Wye-equivalent is shown in Figure. The resistance,  and  (in ohms) are respectively

6.jpg

1.5, 3 and 9

3, 9 and 1.5

9, 3 and 1.5

3, 1.5 and 9

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#42 Network Basics GATE EC 1998 (Set 1) MCQ +1 mark -0.33 marks

The nodal method of circuit analysis is based on

KVL and Ohm’s law

KCL and Ohm’s law

KCL and KVL

KCL, KVL and Ohm’s law

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#43 Network Basics GATE EC 1998 (Set 1) MCQ +1 mark -0.33 marks

The voltage across the terminals a and b in Figure is

0.5 V

3.0 V

3.5 V

4.0 V

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#44 Network Basics GATE EC 1997 (Set 1) MCQ +1 mark -0.33 marks

The current  in the circuit of the figure is equal to

12 A

– 12 A

4 A

None of these

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#45 Network Basics GATE EC 1997 (Set 1) MCQ +1 mark -0.33 marks

The voltage V in the figure is equal to         

2.jpg

3 V

– 3V

5 V

None of these

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#46 Network Basics GATE EC 1997 (Set 1) MCQ +1 mark -0.33 marks

The voltage V in the figure is always equal to

3.jpg

9 V

5 V

1 V

None of these

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#47 Network Basics GATE EC 1997 (Set 1) MCQ +1 mark -0.33 marks

The voltage V in the figure is

5.jpg

10 V

15 V

5 V

None of the above

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#48 Network Basics GATE EC 1997 (Set 1) MSQ +2 marks -0 marks

In the circuit of figure when , the current  equals to 10 A

Value of R for which it absorbs maximum power = 2 Ohm

Value of E = -96

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#49 Network Basics GATE EC 1995 (Set 1) MCQ +1 mark -0.33 marks

The RMS value of a rectangular wave of period T, having a value of + V for a duration,  and –V for the duration, , equals

V

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#50 Network Basics GATE EC 1995 NAT +2 marks -0 marks

In the circuit shown in the figure, the magnitude of the current (in amperes) through  is _______.

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#51 Network Basics GATE EC 1995 NAT +1 mark -0 marks

Consider the circuit shown in the figure.

The value of  (rounded off to one decimal place) is ________ V.

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#52 Network Basics GATE EC 1993 (Set 1) MSQ +1 mark -0 marks

A dc circuit shown in figure has a voltage source V, a current source I and several resistors. A particular resistor R dissipates a power of 4 watts when V alone is active. The same resistor R dissipates a power of 9 watts when I alone is active. The power dissipated by R when both sources are active will be

        

1 W

5 W

13 W

25 W

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#53 Network Basics GATE EC 1993 (Set 1) NAT +2 marks -0 marks

In the circuit of figure, when switch  is closed, the ideal ammeter  reads 5A. What will be ideal voltmeter  read when  is kept open? (The value of E is not specified).

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#54 Network Basics GATE EC 1993 (Set 1) MCQ +2 marks -0.66 marks

A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then the voltage across each resistor is

halved

doubled

increased by four times

not changed

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#55 Network Basics GATE EC 1993 (Set 1) MSQ +2 marks -0 marks

The two electrical sub network  and  are connected through three resistors as shown in figure. The voltage across 5 ohm resistor and 1 ohm resistor are given to be 10 V and 5V, respectively. Then voltage across 15 ohm resistor is

– 105 V

+ 105 V

– 15 V

+ 15 V

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock
Q#56 Network Basics GATE EC 1993 (Set 1) NAT +2 marks -0 marks

An infinite grid is built up by connecting resistors in the manner indicated in figure, where each branch represents one ohm resistor. Calculate the effective resistance between the nodes A and B.        

Explanation Locked!

Unlock this branch to view the explanation, track, bookmark and more.

Sign in to Unlock