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GATE EE

Network Theorems

Electric Circuits

Previous Years Questions

Marks 1

More
In the given circuit, for maximum power to be delivered to RL, its value should be ______ Ω. (Round off to 2 decima...
GATE EE 2021
The Thevenin equivalent voltage, Vth, in V (rounded off to 2 decimal places) of the network shown below, is ________ ...
GATE EE 2020
For the given circuit the Thevenin equivalent is to be determined. The Thevenin voltage, VTh (in volt), seen from termin...
GATE EE 2015 Set 1
A non-ideal voltage source VS has an internal impedance of ZS. If a purely resistive load is to be chosen that maximizes...
GATE EE 2014 Set 3
A source $$v_s\left(t\right)=V\cos100\mathrm{πt}$$ has an internal impedance of (4 + j3) Ω.If a purely resistive load co...
GATE EE 2013
In the circuit shown below, the current through the inductor is ...
GATE EE 2012
The impedance looking into nodes 1 and 2 in the given circuit is ...
GATE EE 2012
In the circuit given below, the value of R required for the transfer of maximum power to the load having a resistance of...
GATE EE 2011
In the figure the current source is $$1\,\,\angle \,0\,A,$$ $$R = \,1\,\,\Omega ,$$ the impedances are $${Z_C} = - j\,...
GATE EE 2006
In the Fig. $${Z_1} = 10\angle - {60^ \circ },\,\,{Z_2} = 10\angle {60^ \circ },\,$$ $${Z_3} = 50\angle {53.13^ \circ }...
GATE EE 2003
Superposition principle is not applicable to a network containing time-varying registors.
GATE EE 1994

Marks 2

More
For the network shown, the equivalent Thevenin voltage and Thevenin impedance as seen across terminals 'ab' is ...
GATE EE 2021
A benchtop dc power supply acts as an ideal 4 A current source as long as its terminal voltage is below 10 V. Beyond thi...
GATE EE 2020
The current I flowing in the circuit shown below in Amperes is ________. ...
GATE EE 2019
For the network given in figure below, the Thevenin's voltage Vab is ...
GATE EE 2017 Set 2
In the circuit shown below, the maximum power transferred to the resistor R is _______ W. ...
GATE EE 2017 Set 1
In the circuit shown below, the node voltage VA is _________ V. ...
GATE EE 2016 Set 1
The Norton’s equivalent source in amperes as seen into the terminals X and Y is _______. ...
GATE EE 2014 Set 3
In the circuit shown below, if the source voltage $$V_s=100\angle53.12^\circ\;V$$ then the Thevenin’s equivalent voltage...
GATE EE 2013
Assuming both the voltage sources are in phase, the value of R for which maximum power is transferred from circuit A to ...
GATE EE 2012
If $$V_A-V_B=\;6\;V$$, then $$V_C-V_D$$ is ...
GATE EE 2012
For the circuit given above, the Thevenin's voltage across the terminals $$A$$ and $$B$$ is ...
GATE EE 2009
For the circuit given above, the Thevenin's resistance across the terminals $$A$$ and $$B$$ is ...
GATE EE 2009
In the given Fig. the Thevenin's equivalent pair (voltage, impedence), as seen at the terminals $$P-Q$$, is given by ...
GATE EE 2005
In Fig. the potential difference between points $$P$$ and $$Q$$ is ...
GATE EE 2003
Two ac sources feed a common variable resistive load as shown in Fig. Under the maximum power transfer condition, the po...
GATE EE 2003
Viewed from the terminals $$A, B$$ the following circuit shown in Figure can be reduced to an equivalent circuit of a si...
GATE EE 1998
For the circuit shown in Fig, the Norton equivalent source current value is _________ $$A$$ and its resistance is ______...
GATE EE 1997

Marks 5

More
An electrical network is fed by two $$ac$$ sources, as shown in Fig. Given that $${Z_1} = \left( {1 - j} \right)\Omega ...
GATE EE 2002
Predict the current $${\rm I}$$ in Fig. in response to a voltage of $$20\angle {0^0}\,V.$$ The impedance values are give...
GATE EE 2000
Find the Thevenin equivalent about $$AB$$ for the circuit shown in Figure. ...
GATE EE 1997

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