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781
GATE Electrical 2014 Set 1 | Question: 15
Three-phase to ground fault takes place at locations $F_1$ and $F_2$ in the system shown in the figure If the fault takes place at location $F_1$, then the voltage and the current at bus $A$ are $V_{F1}$ and $I_{F1}$ respectively. If the fault takes place at location ... $I_{F1}$ and $V_{F2}$ leads $I_{F2}$ $V_{F1}$ lags $I_{F1}$ and $V_{F2}$ lags $I_{F2}$
Three-phase to ground fault takes place at locations $F_1$ and $F_2$ in the system shown in the figureIf the fault takes place at location $F_1$, then the voltage and the...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2014-ee-1
single-line-diagram
power-factor
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–
0
votes
0
answers
782
GATE Electrical 2014 Set 1 | Question: 39
A three phase synchronous generator is to be connected to the infinite bus. The lamps are connected as shown in the figure for the synchronization. The phase sequence of bus voltage is $R-Y-B$ and that of incoming generator voltage ... infinite bus and its frequency is more than infinite bus same as infinite bus and its frequency is less than infinite bus
A three phase synchronous generator is to be connected to the infinite bus. The lamps are connected as shown in the figure for the synchronization. The phase sequence of ...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2014-ee-1
infinite
bus
synchronization
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–
0
votes
0
answers
783
GATE Electrical 2015 Set 1 | Question: 39
The op-amp shown in the figure has a finite gain $A = 1000$ and an infinite input resistance. A step-voltage $V_{i} = 1 \: mV$ is applied at the input at time $t = 0$ as shown. Assuming that the operational amplifier is not saturated, the time constant (in millisecond) of the output voltage $V_{o}$ is $1001$ $101$ $11$ $1$
The op-amp shown in the figure has a finite gain $A = 1000$ and an infinite input resistance. A step-voltage $V_{i} = 1 \: mV$ is applied at the input at time $t = 0$ as ...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Control Systems
gate2015-ee-1
time-constant
operational-amplifier
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–
0
votes
0
answers
784
GATE Electrical 2013 | Question: 27
In the circuit shown below, the knee current of the ideal Zener diode is $10$ $mA$. To maintain $5$ $V$ across $R_L$ minimum value of $R_L$ in $\Omega$ and the minimum power rating of the Zener diode in $mW$ respectively are $125$ and $125$ $125$ and $250$ $250$ and $125$ $250$ and $250$
In the circuit shown below, the knee current of the ideal Zener diode is $10$ $mA$. To maintain $5$ $V$ across $R_L$ minimum value of $R_L$ in $\Omega$ and the minimum po...
piyag476
1.6k
points
piyag476
asked
Feb 11, 2017
Electric Circuits
gate2013-ee
reverse-saturation-current
nodal-analysis
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–
0
votes
0
answers
785
GATE Electrical 2014 Set 1 | Question: 1
Given a system of equations: $x+2y+2z=b_1$ $5x+y+3z=b_2$ Which of the following is true regarding its solutions The system has a unique solution for any given $b_1$ and $b_2$ The system will have infinitely many solutions for any given $b_1$ ... exists depends on the given $b_1$ and $b_2$ The system would have no solution for any values of $b_1$ and $b_2$
Given a system of equations: $x+2y+2z=b_1$ $5x+y+3z=b_2$ Which of the following is true regarding its ...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Linear Algebra
gate2014-ee-1
linear-equation
system-of-linear-equations
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–
0
votes
0
answers
786
GATE Electrical 2014 Set 1 | Question: 38
A $3$ phase, $50$ $Hz$, six pole induction motor has a rotor resistance of $0.1\: Ω$ and reactance of $0.92\: Ω$. Neglect the voltage drop in stator and assume that the rotor resistance is constant. Given that the full load slip is $3\%$, the ratio of maximum torque to full load torque is $1.567$ $1.712$ $1.948$ $2.134$
A $3$ phase, $50$ $Hz$, six pole induction motor has a rotor resistance of $0.1\: Ω$ and reactance of $0.92\: Ω$. Neglect the voltage drop in stator and assume that the...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electrical Machines
gate2014-ee-1
induction-motor
winding-resistance
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–
0
votes
0
answers
787
GATE Electrical 2013 | Question: 4
The impulse response a the system is $h(t)=t\:u(t).$ For an input $u(t-1)$, the output is $\dfrac{t^2}{2}u(t) \\$ $\dfrac{t(t-1)}{2}u(t-1) \\$ $\dfrac{(t-1)^2}{2}u(t-1) \\$ $\dfrac{t^2-1}{2}u(t-1)$
The impulse response a the system is $h(t)=t\:u(t).$ For an input $u(t-1)$, the output is$\dfrac{t^2}{2}u(t) \\$$\dfrac{t(t-1)}{2}u(t-1) \\$$\dfrac{(t-1)^2}{2}u(t-1) \\$$...
piyag476
1.6k
points
piyag476
asked
Feb 11, 2017
Signals and Systems
gate2013-ee
fourier-transform
sampling-theorem
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–
0
votes
0
answers
788
GATE Electrical 2014 Set 3 | Question: 35
A differentiable non constant even function $x(t)$ has a derivative $y(t)$, and their respective Fourier Transforms are $X(\omega)$ and $Y(\omega)$. Which of the following statements is TRUE? $X(\omega)$ and $Y(\omega)$ ... imaginary. $X(\omega)$ and $Y(\omega)$ are both imaginary. $X(\omega)$ is imaginary and $Y(\omega)$ is real.
A differentiable non constant even function $x(t)$ has a derivative $y(t)$, and their respective Fourier Transforms are $X(\omega)$ and $Y(\omega)$. Which of the followin...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Signals and Systems
gate2014-ee-3
even-functions
fourier-transform
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–
0
votes
0
answers
789
GATE Electrical 2013 | Question: 15
The Bode plot of a transfer function $G(s)$ is shown in the figure below. The gain $\big(20 \log\mid G(s) \mid \big)$ is $32 dB$ and $-8 dB$ at $1$ rad/s and $10$ rad/s respectively. The phase is negative for all $\omega$. Then $G(s)$ is $\dfrac{39.8}{s} \\$ $\dfrac{39.8}{s^2} \\$ $\dfrac{32}{s} \\$ $\dfrac{32}{s^2}$
The Bode plot of a transfer function $G(s)$ is shown in the figure below.The gain $\big(20 \log\mid G(s) \mid \big)$ is $32 dB$ and $-8 dB$ at $1$ rad/s and $10$ rad/s r...
piyag476
1.6k
points
piyag476
asked
Feb 11, 2017
Control Systems
gate2013-ee
gain
stability
+
–
0
votes
0
answers
790
GATE Electrical 2014 Set 1 | Question: 5
Let $S$ be the set of points in the complex plane corresponding to the unit circle. $(\text{That is}, S = \{z :\:\: \mid z \mid =1\}).$ Consider the function $f(z)=zz^{\ast}$ where $z^{\ast}$ denotes the complex ... following in the complex plane unit circle horizontal axis line segment from origin to $(1, 0)$ the point $(1, 0)$ the entire horizontal axis
Let $S$ be the set of points in the complex plane corresponding to the unit circle. $(\text{That is}, S = \{z :\:\: \mid z \mid =1\}).$ Consider the function $f(z)=zz^{\a...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Complex Variables
gate2014-ee-1
complex-conjugate
complex-variables
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–
0
votes
0
answers
791
GATE Electrical 2014 Set 3 | Question: 20
The two signals $S1$ and $S2$, shown in figure, are applied to $Y$ and $X$ deflection plates of an oscilloscope. The waveform displayed on the screen is
The two signals $S1$ and $S2$, shown in figure, are applied to $Y$ and $X$ deflection plates of an oscilloscope.The waveform displayed on the screen is
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Signals and Systems
gate2014-ee-3
oscilloscope
even-functions
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–
0
votes
0
answers
792
GATE Electrical 2015 Set 2 | Question: 30
The coils of a wattmeter have resistances $0.01 \Omega$ and $1000 \Omega$; their inductances may be neglected. The wattmeter is connected as shown in the figure, to measure the power consumed by a load, which draws $25 A$ at power factor $0.8$. The voltage across the load terminals is $30 V$. The percentage error on the wattmeter reading is ________.
The coils of a wattmeter have resistances $0.01 \Omega$ and $1000 \Omega$; their inductances may be neglected. The wattmeter is connected as shown in the figure, to measu...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electric Circuits
gate2015-ee-2
power-measurement
coils
power-factor
numerical-answers
+
–
0
votes
0
answers
793
GATE Electrical 2015 Set 1 | Question: 8
In the following chopper, the duty ratio of switch $S$ is $0.4$. If the inductor and capacitor are sufficiently large to ensure continuous inductor current and ripple free capacitor voltage, the charging current (in Ampere) of the $5 V$ battery, under steady-state, is _______.
In the following chopper, the duty ratio of switch $S$ is $0.4$. If the inductor and capacitor are sufficiently large to ensure continuous inductor current and ripple fre...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analog and Digital Electronics
gate2015-ee-1
chopper
steady-state
numerical-answers
+
–
0
votes
0
answers
794
GATE Electrical 2015 Set 1 | Question: 17
Base load power plants are P: wind farms. Q: run-of-river plants. R: nuclear power plants. S: diesel power plants. P, Q and S only P, R and S only P, Q and R only Q and R only
Base load power plants areP: wind farms.Q: run-of-river plants.R: nuclear power plants.S: diesel power plants.P, Q and S onlyP, R and S onlyP, Q and R onlyQ and R only
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2015-ee-1
power-plants
power-generation
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–
1
votes
0
answers
795
GATE Electrical 2013 | Question: 12
The curl of the gradient of the scaler field defined by $V=2x^2y+3y^2z+4z^2x$ is $4xy \textbf{a}_x+6yz \textbf{a}_y+8zx \textbf{a}_z$ $4 \textbf{a}_x+6\textbf{a}_y+8 \textbf{a}_z$ $(4xy+4z^2) \textbf{a}_x+(2x^2+6yz) \textbf{a}_y+(3y^2+8zx) \textbf{a}_z$ $0$
The curl of the gradient of the scaler field defined by $V=2x^2y+3y^2z+4z^2x$ is$4xy \textbf{a}_x+6yz \textbf{a}_y+8zx \textbf{a}_z$$4 \textbf{a}_x+6\textbf{a}_y+8 \textb...
piyag476
1.6k
points
piyag476
asked
Feb 11, 2017
Electromagnetic Fields
gate2013-ee
scaler-product
slope-of-gradient
+
–
0
votes
0
answers
796
GATE Electrical 2014 Set 2 | Question: 10
Consider an $LTI$ system with impulse response $h(t)=e^{-5t}u(t)$ . If the output of the system is $y(t)=e^{-3t}u(t)-e^{-5t}u(t)$ then the input, $x(t)$, is given by $e^{-3t}u(t)$ $2e^{-3t}u(t)$ $e^{-5t}u(t)$ $2e^{-5t}u(t)$
Consider an $LTI$ system with impulse response $h(t)=e^{-5t}u(t)$ . If the output of the system is $y(t)=e^{-3t}u(t)-e^{-5t}u(t)$ then the input, $x(t)$, is given by$e^{...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Signals and Systems
gate2014-ee-2
impulse-response
lti-system
+
–
0
votes
0
answers
797
GATE Electrical 2014 Set 1 | Question: 48
The $dc$ current flowing in a circuit is measured by two ammeters, one $PMMC$ and another electrodynamometer type, connected in series. The $PMMC$ meter contains $100$ ... of both the meters are equal. The value of current, at which the deflections of the two meters are same, is ________
The $dc$ current flowing in a circuit is measured by two ammeters, one $PMMC$ and another electrodynamometer type, connected in series. The $PMMC$ meter contains $100$ tu...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electromagnetic Fields
gate2014-ee-1
electrodynamometer
ammeter
current-measurement
numerical-answers
+
–
0
votes
0
answers
798
GATE Electrical 2015 Set 1 | Question: 7
Of the four characteristics given below, which are the major requirements for an instrumentation amplifier? P. High common mode rejection ratio Q. High input impedance R. High linearity S. High output impedance P, Q and R only P and R only P, Q and S only Q, R and S only
Of the four characteristics given below, which are the major requirements for an instrumentation amplifier?P. High common mode rejection ratioQ. High input impedanceR. Hi...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electric Circuits
gate2015-ee-1
amplifier
bjts
+
–
0
votes
0
answers
799
GATE Electrical 2013 | Question: 3
Assuming zero initial condition, the response $y(t)$ of the system given below to a unit step input $u(t)$ is? $u(t) \\$ $t\:u(t) \\$ $\dfrac{t^2}{2}u(t) \\$ $e^{-t}u(t)$
Assuming zero initial condition, the response $y(t)$ of the system given below to a unit step input $u(t)$ is? $u(t) \\$$t\:u(t) \\$$\dfrac{t^2}{2}u(t) \\$$e^{-t}u(t)$
piyag476
1.6k
points
piyag476
asked
Feb 11, 2017
Control Systems
gate2013-ee
impulse-response
step-function
+
–
0
votes
0
answers
800
GATE Electrical 2014 Set 3 | Question: 48
In the bridge circuit shown, the capacitors are loss free. At balance, the value of capacitance $C_1$ in microfarad is _________.
In the bridge circuit shown, the capacitors are loss free. At balance, the value of capacitance $C_1$ in microfarad is _________.
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analog and Digital Electronics
gate2014-ee-3
bridge-circuit
source
numerical-answers
+
–
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