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Recent questions in Electric Circuits
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41
GATE Electrical 2015 Set 1 | Question: 5
When the Wheatstone bridge shown in the figure is used to find the value of resistor $R_{X}$, the galvanometer $G$ indicates zero current when $R_{1}=50\Omega, R_{2}=65\Omega$ and $R_{3}=100\Omega$. If $R_{3}$ is known with $ \pm 5 \%$ tolerance on its nominal ... $R_{X}$ in Ohms? $[123.50, 136.50]$ $[125.89, 134.12]$ $[117.00, 143.00]$ $[120.25, 139.75]$
When the Wheatstone bridge shown in the figure is used to find the value of resistor $R_{X}$, the galvanometer $G$ indicates zero current when $R_{1}=50\Omega, R_{2}=65\O...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electric Circuits
gate2015-ee-1
bridge-circuit
galvanometer
tolerance
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–
0
votes
0
answers
42
GATE Electrical 2016 Set 2 | Question: 37
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 _________.
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 ...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Electric Circuits
gate2016-ee-2
capacitor-voltage
series-circuit
numerical-answers
+
–
0
votes
0
answers
43
GATE Electrical 2016 Set 2 | Question: 34
The driving point input impedance seen from the source $V_{s}$ of the circuit shown below, in $\Omega$, is ______.
The driving point input impedance seen from the source $V_{s}$ of the circuit shown below, in $\Omega$, is ______.
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Electric Circuits
gate2016-ee-2
mesh-analysis
nodal-analysis
kvl
kcl
numerical-answers
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–
0
votes
0
answers
44
GATE Electrical 2016 Set 2 | Question: 27
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 $1.8V_{1} + 7.2V_{2} -V_{3}$ $2V_{1} + 8V_{2} - 9V_{3}$ $7.2V_{1} + 1.8V_{2} -V_{3}$ $8V_{1} + 2V_{2} - 9V_{3}$
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_{...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Electric Circuits
gate2016-ee-2
operational-amplifier
feed-back-resistance
revese
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–
0
votes
0
answers
45
GATE Electrical 2016 Set 2 | Question: 24
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 $3$
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, r...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Electric Circuits
gate2016-ee-2
kirchhoff's-voltage-law
nodal-analysis
mesh-analysis
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–
0
votes
0
answers
46
GATE Electrical 2016 Set 2 | Question: 21
For the network shown in the figure below, the frequency (in rad/s) at which the maximum phase lag occurs is, ___________.
For the network shown in the figure below, the frequency (in rad/s) at which the maximum phase lag occurs is, ___________.
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Electric Circuits
gate2016-ee-2
voltage-leads
current-leads
rc-filter
numerical-answers
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–
0
votes
0
answers
47
GATE Electrical 2016 Set 2 | Question: 23
In the circuit shown below, the voltage and current sources are ideal. The voltage $(V_{out})$ across the current source, in volts, is $0$ $5$ $10$ $20$
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$ $20$
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Electric Circuits
gate2016-ee-2
superposition
thevenin-theorem
norton-theorem
resistive-load
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–
0
votes
0
answers
48
GATE Electrical 2016 Set 2 | Question: 16
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 $1$ $2$ $4$ $16$
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 regio...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Electric Circuits
gate2016-ee-2
electromagnetism
capacitance
relative-permitivity
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–
0
votes
0
answers
49
GATE Electrical 2016 Set 2 | Question: 11
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 $65, 35$ $50, 50$ $60, 90$ $60, 80$
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 volta...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Electric Circuits
gate2016-ee-2
closed-loop
series-current
voltage-blocker
sinusoidal-source
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–
0
votes
0
answers
50
GATE Electrical 2016 Set 1 | Question: 55
In the circuit shown below, the node voltage $V_{A}$ is ___________ $V$.
In the circuit shown below, the node voltage $V_{A}$ is ___________ $V$.
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Electric Circuits
gate2016-ee-1
elctronics
dependent-voltge-source
nodal-analysis
numerical-answers
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–
0
votes
0
answers
51
GATE Electrical 2016 Set 1 | Question: 54
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 _____________.
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 ...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Electric Circuits
gate2016-ee-1
capacitance
inductance
sinusoidal-source
numerical-answers
+
–
0
votes
0
answers
52
GATE Electrical 2016 Set 1 | Question: 52
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 ________.
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 _____...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Electric Circuits
gate2016-ee-1
mesh-analysis
nodal-analysis
sinusoidal-voltage-source
numerical-answers
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–
0
votes
0
answers
53
GATE Electrical 2016 Set 1 | Question: 50
A single-phase full-bridge voltage source inverter $(VSI)$ is fed from a $300 V$ battery. A pulse of $120^\circ$ duration is used to trigger the appropriate devices in each half-cycle. The rms value of the fundamental component of the output voltage, in volts, is $234$ $245$ $300$ $331$
A single-phase full-bridge voltage source inverter $(VSI)$ is fed from a $300 V$ battery. A pulse of $120^\circ$ duration is used to trigger the appropriate devices in ea...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Electric Circuits
gate2016-ee-1
power-electronics-inverters
pulse-width-modulation-in-inverters
half-bridge-inverters
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–
0
votes
0
answers
54
GATE Electrical 2016 Set 1 | Question: 45
The voltage $(v_{s})$ across and the current $(i_{s})$ through a semiconductor switch during a turn-ON transition are shown in figure. The energy dissipated during the turn-ON transition, in $mJ$, is _______.
The voltage $(v_{s})$ across and the current $(i_{s})$ through a semiconductor switch during a turn-ON transition are shown in figure. The energy dissipated during the tu...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Electric Circuits
gate2016-ee-1
semi-conductor-devices
bipolar-junction
transistors
turn-on-characteristics-of-transistor
numerical-answers
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–
0
votes
0
answers
55
GATE Electrical 2016 Set 1 | Question: 44
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 ... $5 kHz$. The peak value of the $100 Hz$ component of the load current $(i_{L})$, in ampere, is ________ .
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\si...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Electric Circuits
gate2016-ee-1
pulse-width-modulation
carrier-waves
modulating-techniques
numerical-answers
+
–
0
votes
0
answers
56
GATE Electrical 2016 Set 1 | Question: 39
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 _____.
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 indu...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Electric Circuits
gate2016-ee-1
high-frequency-switch
dc-battery
rl-load
numerical-answers
+
–
0
votes
0
answers
57
GATE Electrical 2016 Set 1 | Question: 12
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 _________.
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...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Electric Circuits
gate2016-ee-1
semi-conductor-devices
reverse-saturation-mode
voltage-divider
numerical-answers
+
–
0
votes
0
answers
58
GATE Electrical 2016 Set 1 | Question: 18
In the given circuit, the current supplied by the battery, in ampere, is ________.
In the given circuit, the current supplied by the battery, in ampere, is ________.
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Electric Circuits
gate2016-ee-1
voltage-divider
dependent-current-source
superposition
numerical-answers
+
–
0
votes
0
answers
59
GATE Electrical 2016 Set 1 | Question: 17
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 ________.
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 calori...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Electric Circuits
gate2016-ee-1
parallel-combination
series-combination
current-divider-circuit
numerical-answers
+
–
0
votes
0
answers
60
GATE Electrical 2016 Set 1 | Question: 15
$R_{A}$ 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? $R_{A}=R_{B}$ $R_{A}=R_{B}=0$ $R_{A}< R_{B}$ $R_{B}= R_{A} /(1+R_{A})$
$R_{A}$ 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 ...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Electric Circuits
gate2016-ee-1
circuit-reduction
series-combination
parallel-combination
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