Network Theorems · Electric Circuits · GATE EE

Marks 1
14
Marks 2
20
Marks 5
3
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Marks 1

1

For the circuit shown, which one of the following options correctly identifies the Thevenin's equivalent parameters between nodes Y and Z ?

GATE EE 2026 Electric Circuits - Network Theorems Question 1 English

GATE EE 2026
2

All the elements in the circuit are ideal. The power delivered by the 10 V source in watts is

GATE EE 2024 Electric Circuits - Network Theorems Question 4 English

GATE EE 2024
3

For the circuit shown in the figure, $$V_1=8$$ V, DC and $$I_1=8$$ A, DC. The voltage $$V_{ab}$$ in Volts is __________ (Round off to 1 decimal place).

GATE EE 2023 Electric Circuits - Network Theorems Question 5 English

GATE EE 2023
4

In the given circuit, for maximum power to be delivered to RL, its value should be ______ Ω. (Round off to 2 decimal places.)

GATE EE 2021 Electric Circuits - Network Theorems Question 8 English

GATE EE 2021
5

The Thevenin equivalent voltage, Vth, in V (rounded off to 2 decimal places) of the network shown below, is ________

GATE EE 2020 Electric Circuits - Network Theorems Question 11 English

GATE EE 2020
6
For the given circuit the Thevenin equivalent is to be determined. The Thevenin voltage, VTh (in volt), seen from terminal AB is _________. GATE EE 2015 Set 1 Electric Circuits - Network Theorems Question 31 English
GATE EE 2015 Set 1
7
A non-ideal voltage source VS has an internal impedance of ZS. If a purely resistive load is to be chosen that maximizes the power transferred to the load, its value must be
GATE EE 2014 Set 3
8
A source $$v_s\left(t\right)=V\cos100\mathrm{πt}$$ has an internal impedance of (4 + j3) Ω.If a purely resistive load connected to this source has to extract the maximum power out of the source, its value in Ω should be
GATE EE 2013
9
The impedance looking into nodes 1 and 2 in the given circuit is GATE EE 2012 Electric Circuits - Network Theorems Question 35 English
GATE EE 2012
10
In the circuit shown below, the current through the inductor is GATE EE 2012 Electric Circuits - Network Theorems Question 34 English
GATE EE 2012
11
In the circuit given below, the value of R required for the transfer of maximum power to the load having a resistance of 3 Ω is GATE EE 2011 Electric Circuits - Network Theorems Question 36 English
GATE EE 2011
12
In the figure the current source is $$1\,\,\angle \,0\,A,$$ $$R = \,1\,\,\Omega ,$$ the impedances are $${Z_C} = - j\,\,\Omega ,$$ and $${Z_L} = 2\,j\,\,\Omega .$$ The Thevenin equivalent looking into the circuit across $$X-Y$$ is. GATE EE 2006 Electric Circuits - Network Theorems Question 16 English
GATE EE 2006
13
In the Fig. $${Z_1} = 10\angle - {60^ \circ },\,\,{Z_2} = 10\angle {60^ \circ },\,$$ $${Z_3} = 50\angle {53.13^ \circ }.\,\,$$ Thevenin's impedance seen from $$X-Y$$ is GATE EE 2003 Electric Circuits - Network Theorems Question 23 English
GATE EE 2003
14
Superposition principle is not applicable to a network containing time-varying registors.
GATE EE 1994

Marks 2

1

The terminal voltage and current of a linear electrical network shown in Figure (a) are given in the table.

$$ \begin{array}{|c|c|} \hline \text { Terminal voltage }\left(v_t\right) & \text { Terminal current }\left(i_t\right) \\ \hline 18 \mathrm{~V} & -0.5 \mathrm{~A} \\ \hline 30 \mathrm{~V} & 0.5 \mathrm{~A} \\ \hline 36 \mathrm{~V} & 1.0 \mathrm{~A} \\ \hline \end{array} $$

GATE EE 2026 Electric Circuits - Network Theorems Question 3 English

The correct choice for the parameters ( $\mathrm{I}_{\mathrm{N}}, \mathrm{R}_{\mathrm{N}}$ ) of the Norton equivalent circuit shown in Figure (b) is:

GATE EE 2026
2

Consider the two-port network shown. For maximum power transfer to the resistive load $\left(R_L\right)$, the value of $R_L$ should be $\_\_\_\_$ $\Omega$. (Round off to two decimal places)

GATE EE 2026 Electric Circuits - Network Theorems Question 2 English

GATE EE 2026
3

For the circuit shown, if $$i = \sin 1000t$$, the instantaneous value of the Thevenin's equivalent voltage (in Volts) across the terminals a-b at time t = 5 ms is __________ (Round off to 2 decimal places).

GATE EE 2023 Electric Circuits - Network Theorems Question 6 English

GATE EE 2023
4

For the network shown, the equivalent Thevenin voltage and Thevenin impedance as seen across terminals 'ab' is

GATE EE 2021 Electric Circuits - Network Theorems Question 7 English

GATE EE 2021
5
A benchtop dc power supply acts as an ideal 4 A current source as long as its terminal voltage is below 10 V. Beyond this point, it begins to behave as an ideal 10 V voltage source for all load currents going down to 0 A. When connected to an ideal rheostat, find the load resistance value at which maximum power is transferred, and the corresponding load voltage and current.
GATE EE 2020
6

The current I flowing in the circuit shown below in Amperes is ________.

GATE EE 2019 Electric Circuits - Network Theorems Question 9 English

GATE EE 2019
7
In the circuit shown below, the maximum power transferred to the resistor R is _______ W. GATE EE 2017 Set 1 Electric Circuits - Network Theorems Question 29 English
GATE EE 2017 Set 1
8
For the network given in figure below, the Thevenin's voltage Vab is GATE EE 2017 Set 2 Electric Circuits - Network Theorems Question 30 English
GATE EE 2017 Set 2
9
In the circuit shown below, the node voltage VA is _________ V. GATE EE 2016 Set 1 Electric Circuits - Network Theorems Question 28 English
GATE EE 2016 Set 1
10
The Norton’s equivalent source in amperes as seen into the terminals X and Y is _______. GATE EE 2014 Set 3 Electric Circuits - Network Theorems Question 27 English
GATE EE 2014 Set 3
11
In the circuit shown below, if the source voltage $$V_s=100\angle53.12^\circ\;V$$ then the Thevenin’s equivalent voltage in Volts as seen by the load resistance RL is GATE EE 2013 Electric Circuits - Network Theorems Question 26 English
GATE EE 2013
12
If $$V_A-V_B=\;6\;V$$, then $$V_C-V_D$$ is GATE EE 2012 Electric Circuits - Network Theorems Question 25 English
GATE EE 2012
13
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 GATE EE 2012 Electric Circuits - Network Theorems Question 24 English
GATE EE 2012
14
GATE EE 2009 Electric Circuits - Network Theorems Question 14 English

For the circuit given above, the Thevenin's resistance across the terminals $$A$$ and $$B$$ is

GATE EE 2009
15
GATE EE 2009 Electric Circuits - Network Theorems Question 13 English

For the circuit given above, the Thevenin's voltage across the terminals $$A$$ and $$B$$ is

GATE EE 2009
16
In the given Fig. the Thevenin's equivalent pair (voltage, impedence), as seen at the terminals $$P-Q$$, is given by GATE EE 2005 Electric Circuits - Network Theorems Question 19 English
GATE EE 2005
17
In Fig. the potential difference between points $$P$$ and $$Q$$ is GATE EE 2003 Electric Circuits - Network Theorems Question 21 English
GATE EE 2003
18
Two ac sources feed a common variable resistive load as shown in Fig. Under the maximum power transfer condition, the power absorbed by the load resistance $${R_L}$$ is GATE EE 2003 Electric Circuits - Network Theorems Question 20 English
GATE EE 2003
19
Viewed from the terminals $$A, B$$ the following circuit shown in Figure can be reduced to an equivalent circuit of a single voltage source in series with a single resistor with the following parameters: GATE EE 1998 Electric Circuits - Network Theorems Question 22 English
GATE EE 1998
20
For the circuit shown in Fig, the Norton equivalent source current value is _________ $$A$$ and its resistance is ___________ $$Ohms$$ GATE EE 1997 Electric Circuits - Network Theorems Question 15 English
GATE EE 1997

Marks 5

1
An electrical network is fed by two $$ac$$ sources, as shown in Fig. Given that
$${Z_1} = \left( {1 - j} \right)\Omega ,\,\,{Z_2} = \left( {1 + j} \right)\Omega $$ and $${Z_L} = \left( {1 + j0} \right)\Omega .$$ Obtain the Thevenin equivalent circuit (Thevenin voltage and impedance) across terminals $$X$$ and $$Y$$, and determine the current $${{\rm I}_L}$$ through the load $${Z_L}.$$ GATE EE 2002 Electric Circuits - Network Theorems Question 17 English
GATE EE 2002
2
Predict the current $${\rm I}$$ in Fig. in response to a voltage of $$20\angle {0^0}\,V.$$ The impedance values are given in $$ohms.$$ Use Thevenin's theorem. GATE EE 2000 Electric Circuits - Network Theorems Question 18 English
GATE EE 2000
3
Find the Thevenin equivalent about $$AB$$ for the circuit shown in Figure. GATE EE 1997 Electric Circuits - Network Theorems Question 12 English
GATE EE 1997
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