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Hot questions in Electrical Circuits
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1
GATE2016154
The circuit below is excited by a sinusoidal source. The value of $R$, in $\Omega$, for which the admittance of the circuit becomes a pure conductance at all frequencies is _____________.
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
capacitance
inductance
sinusoidalsource
numericalanswers
0
votes
0
answers
2
GATE2016155
In the circuit shown below, the node voltage $V_{A}$ is ___________ $V$.
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
elctronics
dependentvoltgesource
nodalanalysis
numericalanswers
0
votes
0
answers
3
GATE2016150
A singlephase fullbridge voltage source inverter $(VSI)$ is fed from a $300 V$ battery. A pulse of $120$° duration is used to trigger the appropriate devices in each halfcycle. The rms value of the fundamental component of the output voltage, in volts, is $234$ $245$ $300$ $331$
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
powerelectronicsinverters
pulsewidthmodulationininverters
halfbridgeinverters
0
votes
0
answers
4
GATE2016118
In the given circuit, the current supplied by the battery, in ampere, is ________.
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
voltagedivider
dependentcurrentsource
superposition
numericalanswers
0
votes
0
answers
5
GATE2016237
In the circuit shown below, the initial capacitor voltage is $4 V$. Switch $S_{1}$ is closed at $t=0$. The charge (in $\mu C$) lost by the capacitor from $t=25 \mu s$ to $t=100 \mu s$ is _________.
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
capacitorvoltage
seriescircuit
numericalanswers
0
votes
0
answers
6
GATE2016221
For the network shown in the figure below, the frequency (in rad/s) at which the maximum phase lag occurs is, ___________.
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
voltageleads
currentleads
rcfilter
numericalanswers
0
votes
0
answers
7
GATE2016224
The graph associated with an electrical network has $7$ branches and $5$ nodes. The number of independent $KCL$ equations and the number of independent $KVL$ equations, respectively, are $2$ and $5$ $5$ and $2$ $3$ and $4$ $4$ and $3$
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
kirchhoff'svoltagelaw
nodalanalysis
meshanalysis
0
votes
0
answers
8
GATE2016145
The voltage $(v_{s})$ across and the current $(i_{s})$ through a semiconductor switch during a turnON transition are shown in figure. The energy dissipated during the turnON transition, in $mJ$, is _______.
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
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9.3k
points)
gate2016ee1
semiconductordevices
bipolarjunction
transistors
turnoncharacteristicsoftransistor
numericalanswers
0
votes
0
answers
9
GATE2016234
The driving point input impedance seen from the source $V_{s}$ of the circuit shown below, in $\Omega$, is ______.
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
meshanalysis
nodalanalysis
kvl
kcl
numericalanswers
0
votes
0
answers
10
GATE2016211
A resistance and a coil are connected in series and supplied from a single phase, $100 V, 50 Hz$ ac source as shown in the figure below. The rms values of plausible voltages across the resistance $(V_{R})$ and coil $(V_{C})$ respectively, in volts, are $65, 35$ $50, 50$ $60, 90$ $60, 80$
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
closedloop
seriescurrent
voltageblocker
sinusoidalsource
0
votes
0
answers
11
GATE2016139
In the circuit shown, switch $S_{2}$ has been closed for a long time. At time $t=0$ switch $S_{1}$ is closed. At $t=0^{+}$, the rate of change of current through the inductor, in amperes per second, is _____.
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
highfrequencyswitch
dcbattery
rlload
numericalanswers
0
votes
0
answers
12
GATE2016144
The switches $T1$ and $T2$ in Figure (a) are switched in a complementary fashion with sinusoidal pulse width modulation technique. The modulating voltage $v_{m}(t)=0.8\sin (200\pi t) V$ and the triangular carrier voltage $(v_{c})$ are as shown in Figure (b). The ... frequency is $5 kHz$. The peak value of the $100 Hz$ component of the load current $(i_{L})$, in ampere, is ________ .
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
pulsewidthmodulation
carrierwaves
modulatingtechniques
numericalanswers
0
votes
0
answers
13
GATE2016152
In the circuit shown below, the supply voltage is $10 \sin(1000t)$ volts. The peak value of the steady state current through the $1 \Omega$ resistor, in amperes, is ________.
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
meshanalysis
nodalanalysis
sinusoidalvoltagesource
numericalanswers
0
votes
0
answers
14
GATE2016112
A transistor circuit is given below. The Zener diode breakdown voltage is $5.3$ V as shown. Take base to emitter voltage drop to be $0.6$ V. The value of the current gain $\beta$ is _________.
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
semiconductordevices
reversesaturationmode
voltagedivider
numericalanswers
0
votes
0
answers
15
GATE2016117
In the portion of a circuit shown, if the heat generated in $5 \Omega$ resistance is $10$ calories per second, then heat generated by the $4 \Omega$ resistance, in calories per second, is ________.
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
parallelcombination
seriescombination
currentdividercircuit
numericalanswers
0
votes
0
answers
16
GATE2016216
A parallel plate capacitor filled with two dielectrics is shown in the figure below. If the electric field in the region $A$ is $4 kV/cm$, the electric field in the region $B$, in $kV/cm$, is $1$ $2$ $4$ $16$
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
electromagnetism
capacitance
relativepermitivity
0
votes
0
answers
17
GATE2016223
In the circuit shown below, the voltage and current sources are ideal. The voltage $(V_{out})$ across the current source, in volts, is $0$ $5$ $10$ $20$
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
superposition
thevenintheorem
nortontheorem
resistiveload
0
votes
0
answers
18
GATE2016115
$R_{A}$ and $R_{B}$ are the input resistances of circuits as shown below. The circuits extend infinitely in the direction shown. Which one of the following statements is TRUE? $R_{A}=R_{B}$ $R_{A}=R_{B}=0$ $R_{A}< R_{B}$ $R_{B}= R_{A} /(1+R_{A})$
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
circuitreduction
seriescombination
parallelcombination
0
votes
0
answers
19
GATE2016227
For the circuit shown below, taking the opamp as ideal, the output voltage $V_{out}$ in terms of the input voltages $V_{1}, V_{2}$ and $V_{3}$ is $1.8V_{1} + 7.2V_{2} V_{3}$ $2V_{1} + 8V_{2}  9V_{3}$ $7.2V_{1} + 1.8V_{2} V_{3}$ $8V_{1} + 2V_{2}  9V_{3}$
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
operationalamplifier
feedbackresistance
revese
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