GATE EE

Transient Response

Electric Circuits

(Past Years Questions)

Marks 1

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The initial charge in the 1 F capacitor present in the circuit shown is zero. The energy in joules transferred from the ...
GATE EE 2017 Set 2
In the given circuit, the current supplied by the battery, in ampere, is ________. ...
GATE EE 2016 Set 1
A series RL circuit is excited at t = 0 by closing a switch as shown in the figure. Assuming zero initial conditions, t...
GATE EE 2015 Set 2
The switch SW shown in the circuit is kept at position ‘1’ for a long duration. At t = 0+, the switch is moved to positi...
GATE EE 2014 Set 2
A combination of 1μF capacitor with an initial voltage Vc(0) = −2V in series with a 100Ω resistor is connected to a 20 m...
GATE EE 2014 Set 1
In the following figure, C1 and C2 are ideal capacitors. C1 has been charged to 12 V before the ideal switch S is closed...
GATE EE 2012
The switch in the circuit has been closed for a long time. It is opened at t = 0. At t = 0+, the current through the 1μF...
GATE EE 2010
In the Fig. given below, the initial capacitor voltage is zero. The switch is closed at $$t = 0.$$ the final steady-sta...
GATE EE 2005
A unit step voltage is applied at $$t = 0$$ to a series $$RL$$ circuit with zero initial conditions.
GATE EE 2001
In the series $$RC$$ circuit shown in Fig. the voltage across $$C$$ starts increasing when the $$d.c.$$ source is switch...
GATE EE 1996
The time constant of the network shown in Fig. is ...
GATE EE 1992
In the circuit of Fig, the switch $$'S'$$ is closed at $$t=0$$ with $${i_L}\left( 0 \right) = 0$$ and $${V_C}\left( 0 \...
GATE EE 1992

Marks 2

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In the circuit shown, switch S2 has been closed for a long time. A time t = 0 switch S1 is closed. At t=0+ , the rate of...
GATE EE 2016 Set 1
In the Fig. shown, all elements used are ideal. For time t1 remained closed and S2 open. At t=0, S1 is opened and S2 is ...
GATE EE 2009
The time constant for the given circuit will be ...
GATE EE 2008
In the figure, transformer $${T_1}$$ has two secondaries, all three windings having the same number of turns and with po...
GATE EE 2007
In the circuit shown in Fig. switch $$S{w_1}$$ is initially CLOSED and $$S{w_2}$$ is OPEN. The inductor $$L$$ carries a ...
GATE EE 2007
An ideal capacitor is charged to a voltage $${V_0}$$ and connected at $$t=0$$ across an ideal inductor $$L.$$ (The circu...
GATE EE 2006
The circuit shown in the Fig. is in steady state, when the switch is closed at $$t=0.$$ Assuming that the inductance is ...
GATE EE 2005
A coil of inductance $$10$$ $$H$$ resistance $$40\,\,\Omega $$ is connected as shown in Fig. After the switch $$S$$ has ...
GATE EE 2005
A coil of inductance $$10$$ $$H$$ resistance $$40\,\,\Omega $$ is connected as shown in Fig. After the switch $$S$$ has ...
GATE EE 2005
In figure, the capacitor initially has a charge of $$10$$ Coulomb. The current in the circuit one second after the switc...
GATE EE 2004
In the circuit shown in Fig., the switch $$S$$ is closed at time $$t=0$$. The voltage across the inductance at $$t = {0^...
GATE EE 2003
An $$11$$ $$V$$ pulse of $$10$$ $$µ$$s duration is applied to the circuit shown in Fig. Assuming that the capacitor is c...
GATE EE 2002
Consider the circuit shown in Fig. If the frequency of the source is $$50$$ $$Hz,$$ then a value of $${t_0}$$ which resu...
GATE EE 2002
A rectangular voltage pulse of magnitude $$V$$ and duration $$T$$ is applied to a series combination of resistance $$R$$...
GATE EE 1999

Marks 5

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A constant current source is supplying $$10A$$ to a circuit shown in Fig. the switch $$S,$$ which is initially closed fo...
GATE EE 2002
In the given circuit, the capacitor is initially charged to $$12$$ $$V. $$ Find the mathematical expression for the volt...
GATE EE 1999
The switch in the following circuit, shown in Fig. has been connected to the $$12V$$ source for a long time. At $$t=0,$$...
GATE EE 1998
In the circuit shown in Fig., $${e_g}\left( t \right) = 2.5t$$ volts. What are the values of $$i(t)$$ and $${V_L}\left( ...
GATE EE 1997

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