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Network Analysis
Network Theorems (DC Circuits)

Practice questions from Network Theorems (DC Circuits).

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Q#1 Network Theorems (DC Circuits) GATE EC 2025 (Set 1) MCQ +1 mark -0.33 marks

Consider a part of an electrical network as shown below. Some node voltages, and the current flowing through the  resistor are as indicated.

The voltage (in Volts) at node  is ________.

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Q#2 Network Theorems (DC Circuits) GATE EC 2024 (Set 1) NAT +2 marks -0 marks

In the network shown below, maximum power is to be transferred to the load .

The value of in  is __________.

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Q#3 Network Theorems (DC Circuits) GATE EC 2020 (Set 1) MCQ +1 mark -0.33 marks

In the circuit shown below, the Thevenin voltage  is

2.4 V

2.8 V

4.5 V

3.6 V

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Q#4 Network Theorems (DC Circuits) GATE EC 2019 (Set 1) MCQ +1 mark -0.33 marks

Consider the two-port resistive network shown in the figure. When an excitation of 5 V is applied across Port 1, and Port 2 is shorted, the current through the short circuit at Port 2 is measured to be 1 A (see (a) in the figure). Now, if an excitation of 5V is applied across Port 2 and Port 1 is shorted (see (b) in the figure), what is the current through the short circuit at Port 1?

Y:\DATA\Gate 2019\ECE\Junk\ECE Question & Solution Digram\Images Q (1-40)\Correstion Digram\11.jpg

0.5A

2A

2.5A

1A

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Q#5 Network Theorems (DC Circuits) GATE EC 2016 (Set 2) MCQ +1 mark -0.33 marks

In the circuit shown below,  is a constant voltage source and  is a constant current load. The value of that maximizes the power absorbed by the constant current load is         

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Q#6 Network Theorems (DC Circuits) GATE EC 2015 (Set 2) NAT +2 marks -0 marks

In the circuit shown, the Norton equivalent resistance (in Ω) across terminals a-b is _______.        

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Q#7 Network Theorems (DC Circuits) GATE EC 2014 (Set 2) MCQ +1 mark -0.33 marks

Norton’s theorem states that a complex network connected to a load can be replaced with an equivalent impedance

In series with a current source

In parallel with a voltage source

In series with a voltage source

In parallel with a current source

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Q#8 Network Theorems (DC Circuits) GATE EC 2014 (Set 4) NAT +1 mark -0 marks

The magnitude of current (in mA) through the resistor  in the figure shown is_______.

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Q#9 Network Theorems (DC Circuits) GATE EC 2014 (Set 3) NAT +1 mark -0 marks

For the circuit shown in the figure, the Thevenin’s equivalent voltage (in Volts) across terminals a-b is ________.

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Q#10 Network Theorems (DC Circuits) GATE EC 2012 (Set 1) MCQ +1 mark -0.33 marks

The impedance looking into nodes 1 and 2 in the given circuit is

50 Ω

100 Ω

5 k Ω

10.1 k Ω

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Q#11 Network Theorems (DC Circuits) GATE EC 2012 (Set 1) MCQ +2 marks -0.66 marks

Assuming both the voltage sources are in phase, the value of R for which maximum power is transferred from circuit A to circuit B is         

0.8 Ω

1.4 Ω

2 Ω

2.8 Ω

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Q#12 Network Theorems (DC Circuits) GATE EC 2011 (Set 1) MCQ +1 mark -0.33 marks

In the circuit shown below, the Norton equivalent current in amperes with respect to the terminals P and Q is        12.jpg

6.4 – j4.8

6.56 – j7.87

10 + j0        

16 + j0

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Q#13 Network Theorems (DC Circuits) GATE EC 2011 (Set 1) MCQ +1 mark -0.33 marks

In the circuit shown below, the value of  such that the power transferred to  is maximum is

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Q#14 Network Theorems (DC Circuits) GATE EC 2009 (Set 1) MCQ +2 marks -0.66 marks

In the circuit shown, what value of  maximizes the power delivered to?

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Q#15 Network Theorems (DC Circuits) GATE EC 2007 (Set 1) MCQ +2 marks -0.66 marks

For the circuit shown in figure, Thevenin’s voltage and Thevenin’s equivalent resistance at terminals a – b is

5 V and

7.5 V and

4 V and

3 V and

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Q#16 Network Theorems (DC Circuits) GATE EC 2007 (Set 1) MCQ +2 marks -0.66 marks

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

4/3 V, 2 Ω

4 V, 2/3 Ω

4/3 V, 2/3 Ω

4 V, 2Ω

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Q#17 Network Theorems (DC Circuits) GATE EC 2005 (Set 1) MCQ +1 mark -0.33 marks

The maximum power that can be transferred to the load resistor  from the voltage source in figure is

1 W

10 W

0.25 W

0.5 W

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Q#18 Network Theorems (DC Circuits) GATE EC 2002 (Set 1) MCQ +2 marks -0.66 marks

In the network of Figure, the maximum power is delivered to  if its value is

16Ω

60Ω

20Ω

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Q#19 Network Theorems (DC Circuits) GATE EC 1999 (Set 1) MCQ +2 marks -0.66 marks

The value of R (in ohms) required for maximum power transfer in the network shown in Figure is         5.jpg

2

4

8

10

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Q#20 Network Theorems (DC Circuits) GATE EC 1998 (Set 1) MCQ +1 mark -0.33 marks

Superposition theorem is NOT applicable to networks containing

Nonlinear elements

Dependent voltage sources

Dependent current sources

Transformers

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Q#21 Network Theorems (DC Circuits) GATE EC 1995 (Set 1) MCQ +1 mark -0.33 marks

The value of the resistance, R, connected across the terminals, A and B, which will absorb the maximum power, is

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Q#22 Network Theorems (DC Circuits) GATE EC 1995 NAT +2 marks -0 marks

In the circuit shown in the figure, the maximum power (in watt) delivered to the resistor R is________.

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