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601
GATE Electrical 2017 Set 2 | Question: 48
In the circuit shown in the figure, the diode used is ideal. The input power factor is ________. (Give the answer up to two decimal places).
In the circuit shown in the figure, the diode used is ideal. The input power factor is ________. (Give the answer up to two decimal places).
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
new
gate2017-ee-2
numerical-answers
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602
GATE Electrical 2017 Set 2 | Question: 12
In the circuit shown, the diodes are ideal, the inductance is small, and $I_{0} \neq 0$. Which one of the following statements is true? $D_{1}$ conducts for greater than $180^{\circ}$ and $D_{2}$ conducts for greater than $180^{\circ}$. $D_{2}$ ... for $180^{\circ}$. $D_{1}$ conducts for more than $180^{\circ}$ and $D_{2}$ conducts for $180^{\circ}$.
In the circuit shown, the diodes are ideal, the inductance is small, and $I_{0} \neq 0$. Which one of the following statements is true?$D_{1}$ conducts for greater than $...
Arjun
15.9k
points
Arjun
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Feb 26, 2017
new
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603
GATE Electrical 2017 Set 1 | GA Question: 3
Rahul, Murali, Srinivas and Arul are seated around a square table. Rahul is sitting to the left of Murali. Srinivas is sitting to the right of Arul. Which of the following pairs are seated opposite each other? Rahul and Murali Srinivas and Arul Srinivas and Murali Srinivas and Rahul
Rahul, Murali, Srinivas and Arul are seated around a square table. Rahul is sitting to the left of Murali. Srinivas is sitting to the right of Arul. Which of the followin...
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
Analytical Aptitude
gate2017-ee-1
analytical-aptitude
logical-reasoning
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604
GATE Electrical 2017 Set 1 | GA Question: 8
The expression $\frac{(x+y)-|x-y|}{2}$ is equal to The maximum of $x$ and $y$ The minimum of $x$ and $y$ $1$ None of the above.
The expression $\frac{(x+y)-|x-y|}{2}$ is equal toThe maximum of $x$ and $y$The minimum of $x$ and $y$$1$None of the above.
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
Quantitative Aptitude
gate2017-ee-1
numerical-ability
absolute-value
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605
GATE Electrical 2017 Set 2 | Question: 45
If the primary line voltage rating is $3.3$kV (Y side) of a $25$kVA, $Y-\Delta$ transformer (the per phase turns ratio is $5:1$), then the line current rating of the secondary side (in Ampere) is _______.
If the primary line voltage rating is $3.3$kV (Y side) of a $25$kVA, $Y-\Delta$ transformer (the per phase turns ratio is $5:1$), then the line current rating of the seco...
Arjun
15.9k
points
Arjun
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Feb 26, 2017
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numerical-answers
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606
GATE Electrical 2017 Set 2 | Question: 46
Consider the system described by the following state space representation ... $y(t)$ at $t=1$ sec (rounded off to three decimal places) is ___________.
Consider the system described by the following state space representation$\begin{bmatrix}\dot{x}_{1}(t)\\\dot{x}_{2}(t)\end{bmatrix}=\begin{bmatrix}0 &1 \\0 & -2\end{bmat...
Arjun
15.9k
points
Arjun
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Feb 26, 2017
new
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607
GATE Electrical 2017 Set 1 | Question: 1
The matrix $A=\begin{bmatrix} \frac{3}{2} &0 & \frac{1}{2}\\ 0& -1 &0 \\ \frac{1}{2} & 0 & \frac{3}{2} \end{bmatrix}$ has three distinct eigenvalues and one of its eigenvectors is $\begin{bmatrix} 1\\ 0\\ 1 \end{bmatrix}$. ... $\begin{bmatrix} 1\\ 0\\ -1 \end{bmatrix}$ $\begin{bmatrix} 1\\ -1\\ 1 \end{bmatrix}$
The matrix $A=\begin{bmatrix}\frac{3}{2} &0 & \frac{1}{2}\\ 0& -1 &0 \\ \frac{1}{2} & 0 & \frac{3}{2}\end{bmatrix}$ has three distinct eigenvalues and one of its eigenv...
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
Linear Algebra
gate2017-ee-1
linear-algebra
matrices
eigen-values
eigen-vectors
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608
GATE Electrical 2017 Set 2 | Question: 22
The initial charge in the $1$ F capacitor present in the circuit shown is zero. The energy in joules transferred from the $DC$ source until steady state condition is reached equals _________. (Give the answer up to one decimal place.)
The initial charge in the $1$ F capacitor present in the circuit shown is zero. The energy in joules transferred from the $DC$ source until steady state condition is reac...
Arjun
15.9k
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Arjun
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Feb 26, 2017
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609
GATE Electrical 2017 Set 2 | Question: 16
The figure below shows the circuit diagram of a controlled rectifier supplied from a $230$V, $50$Hz, $1$-phase voltage source and a $10:1$ ideal transformer. Assume that all devices are ideal. The firing angles of the thyristors $T_{1}$ and ... $270^{\circ}$, respectively. The RMS value of the current through diode $D_{3}$ in amperes is _______.
The figure below shows the circuit diagram of a controlled rectifier supplied from a $230$V, $50$Hz, $1$-phase voltage source and a $10:1$ ideal transformer. Assume that ...
Arjun
15.9k
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Arjun
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Feb 26, 2017
new
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numerical-answers
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610
GATE Electrical 2017 Set 2 | Question: 43
A star-connected, $12.5$kW, $208$ V (line), $3$-phase, $60$ ... starting current (in Ampere) for this motor when connected to an $80$ V (line), $20$ Hz, $3$-phase AC source is _________.
A star-connected, $12.5$kW, $208$ V (line), $3$-phase, $60$Hz squirrel cage induction motor has following equivalent circuit parameters per phase referred to the stator: ...
Arjun
15.9k
points
Arjun
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Feb 26, 2017
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numerical-answers
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611
GATE Electrical 2017 Set 2 | Question: 52
A $3$-phase, $50$Hz generator supplies power of $3$MW at $17.32$kV to a balanced $3$-phase inductive load through an overhead line. The per phase line resistance and reactance are $0.25 \Omega$ and $3.925 \Omega$ respectively. If the voltage at the generator terminal is $17.87$kV, the power factor of the load is ________.
A $3$-phase, $50$Hz generator supplies power of $3$MW at $17.32$kV to a balanced $3$-phase inductive load through an overhead line. The per phase line resistance and reac...
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
new
gate2017-ee-2
numerical-answers
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612
GATE Electrical 2017 Set 1 | GA Question: 6
"The hold of the nationalist imagination on our colonial past is such that anything inadequately or improperly nationalist is just not history." Which of the following statements best reflects the author's opinion? ... filter of nationalism. Our colonial past never happened. Nationalism has to be both adequately and properly imagined.
"The hold of the nationalist imagination on our colonial past is such that anything inadequately or improperly nationalist is just not history."Which of the following sta...
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
Verbal Aptitude
gate2017-ee-1
verbal-ability
verbal-reasoning
statements-follow
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613
GATE Electrical 2017 Set 2 | Question: 4
The pole-zero plots of three discrete-time systems $P, Q$ and $R$ on the $z$-plane are shown below. Which one of the following is TRUE about the frequency selectivity of these systems? All three are high-pass filters. All three are band-pass filters. ... are low-pass filters. $P$ is low-pass filter. $Q$ is a band-pass filter and $R$ is a high-pass filter.
The pole-zero plots of three discrete-time systems $P, Q$ and $R$ on the $z$-plane are shown below.Which one of the following is TRUE about the frequency selectivity of t...
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
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614
GATE Electrical 2017 Set 2 | Question: 10
For a $3$-input logic circuit shown below, the output $Z$ can be expressed as $Q+\overline{R}$ $P\overline{Q}+R$ $\overline{Q}+R$ $P+\overline{Q}+R$
For a $3$-input logic circuit shown below, the output $Z$ can be expressed as $Q+\overline{R}$$P\overline{Q}+R$$\overline{Q}+R$$P+\overline{Q}+R$
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
Analog and Digital Electronics
gate2017-ee-2
analog-and-digital-electronics
combinational-circuits
logic-gates
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615
GATE Electrical 2017 Set 1 | Question: 22
Consider the unity feedback control system shown. The value of $K$ that results in a phase margin of the system to be $30^{\circ}$ is _________. (Give the answer up to two decimal places.)
Consider the unity feedback control system shown. The value of $K$ that results in a phase margin of the system to be $30^{\circ}$ is _________. (Give the answer up to tw...
Arjun
15.9k
points
Arjun
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Feb 26, 2017
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numerical-answers
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616
GATE Electrical 2017 Set 2 | Question: 38
For the circuit shown below, assume that the $OPAMP$ is ideal. Which one of the following is TRUE? $v_{0}=v_{s}$ $v_{0}=1.5 v_{s}$ $v_{0}=2.5 v_{s}$ $v_{0}=5 v_{s}$
For the circuit shown below, assume that the $OPAMP$ is ideal.Which one of the following is TRUE?$v_{0}=v_{s}$$v_{0}=1.5 v_{s}$$v_{0}=2.5 v_{s}$$v_{0}=5 v_{s}$
Arjun
15.9k
points
Arjun
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Feb 26, 2017
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617
GATE Electrical 2017 Set 1 | GA Question: 2
Research in the workplace reveals that people work for many reasons ________. Money beside Beside money Money besides Besides money
Research in the workplace reveals that people work for many reasons ________.Money besideBeside moneyMoney besidesBesides money
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
Verbal Aptitude
gate2017-ee-1
verbal-ability
english-grammar
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votes
0
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618
GATE Electrical 2017 Set 2 | Question: 51
Consider an overhead transmission line with $3$-phase, $50$ Hz balanced system with conductors located at the vertices of an equilateral triangle of length $D_{ab}=D_{bc}=D_{ca}=1m$ as shown in figure below. The resistance of the ... of ground, the magnitude of positive sequence reactance in $\Omega/km$ (rounded off to three decimal places) is _________.
Consider an overhead transmission line with $3$-phase, $50$ Hz balanced system with conductors located at the vertices of an equilateral triangle of length $D_{ab}=D_{bc}...
Arjun
15.9k
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Arjun
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Feb 26, 2017
new
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numerical-answers
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619
GATE Electrical 2017 Set 2 | Question: 50
In the circuit shown all elements are ideal and the switch $S$ is operated at $10$kHz and $60 \%$ duty ratio. The capacitor is large enough so that the ripple across it is negligible and at steady state acquires a voltage as shown. The peak current in amperes drawn from the $50$ V DC source is _______.(Give the answer up to one decimal place.)
In the circuit shown all elements are ideal and the switch $S$ is operated at $10$kHz and $60 \%$ duty ratio. The capacitor is large enough so that the ripple across it i...
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
new
gate2017-ee-2
numerical-answers
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620
GATE Electrical 2017 Set 1 | Question: 34
The load shown in the figure is supplied by a $400$V (line-to-line), $3$-phase source (RYB sequence). The load is balanced and inductive, drawing $3464$ VA. When the switch $S$ is in position $N$, the three watt-meters $W_{1}, W_{2},$ and $W_{3}$ ... $W_1=0$; $W_2=1732$; and $W_3=0$ $W_1=866$; $W_2=0$; and $W_3=866$ $W_1=W_2=0$ and $W_3=1732$
The load shown in the figure is supplied by a $400$V (line-to-line), $3$-phase source (RYB sequence). The load is balanced and inductive, drawing $3464$ VA. When the swit...
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
new
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621
GATE Electrical 2017 Set 1 | Question: 47
A $220$V DC series motor runs drawing a current of $30$ A from the supply. Armature and field circuit resistances are $0.4\Omega$ and $0.1\Omega$, respectively. The load torque varies as the square of the speed. The flux in the ... the resistance in ohms that should be added in series with the armature is ______. (Give the answer up to two decimal places.)
A $220$V DC series motor runs drawing a current of $30$ A from the supply. Armature and field circuit resistances are $0.4\Omega$ and $0.1\Omega$, respectively. The load ...
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
new
gate2017-ee-1
numerical-answers
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0
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622
GATE Electrical 2017 Set 2 | Question: 15
The figure shows the per-phase representation of a phase-shifting transformer connected between buses $1$ and $2$, where $\alpha$ is a complex number with non-zero real and imaginary parts. For the given circuit, $Y_{bus}$ and $Z_{bus}$ are bus ... . $Y_{bus}$ is unsymmetric and $Z_{bus}$ is symmetric. Both $Y_{bus}$ and $Z_{bus}$ are unsymmetric.
The figure shows the per-phase representation of a phase-shifting transformer connected between buses $1$ and $2$, where $\alpha$ is a complex number with non-zero real a...
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
new
gate2017-ee-2
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623
GATE Electrical 2017 Set 2 | Question: 28
The eigenvalues of the matrix given below are $\begin{bmatrix} 0 & 1 & 0\\ 0 & 0 & 1\\ 0 & -3 & -4 \end{bmatrix}$ $(0, -1, -3)$ $(0, -2, -3)$ $(0, 2, 3)$ $(0, 1, 3)$
The eigenvalues of the matrix given below are$\begin{bmatrix}0 & 1 & 0\\ 0 & 0 & 1\\ 0 & -3 & -4\end{bmatrix}$$(0, -1, -3)$$(0, -2, -3)$$(0, 2, 3)$$(0, 1, 3)$
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
Linear Algebra
gate2017-ee-2
linear-algebra
matrices
eigen-values
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624
GATE Electrical 2017 Set 2 | Question: 6
When a unit ramp input is applied to the unity feedback system having closed loop transfer function $\frac{C(s)}{R(s)}=\frac{Ks+b}{s^{2}+as+b}, (a>0, b>0, K>0)$, the steady state error will be $0 \\ $ $\frac{a}{b} \\$ $\frac{a+K}{b} \\$ $\frac{a-K}{b}$
When a unit ramp input is applied to the unity feedback system having closed loop transfer function $\frac{C(s)}{R(s)}=\frac{Ks+b}{s^{2}+as+b}, (a>0, b>0, K>0)$, the stea...
Arjun
15.9k
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Arjun
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Feb 26, 2017
new
gate2017-ee-2
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625
GATE Electrical 2017 Set 1 | Question: 27
Consider the differential equation $(t^{2}-81)\frac{dy}{dt}+5t y=\sin(t)$ with $y(1)=2 \pi$. There exists a unique solution for this differential equation when $t$ belongs to the interval $(-2, 2)$ $(-10, 10)$ $(-10, 2)$ $(0, 10)$
Consider the differential equation $(t^{2}-81)\frac{dy}{dt}+5t y=\sin(t)$ with $y(1)=2 \pi$. There exists a unique solution for this differential equation when $t$ belong...
Arjun
15.9k
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Arjun
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Feb 26, 2017
Differential Equations
gate2017-ee-1
differential-equations
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626
GATE Electrical 2017 Set 2 | Question: 20
Let $y^{2}-2y+1=x$ and $\sqrt{x}+y=5$. The value of $x+\sqrt{y}$ equals _________. (Give the answer up to three decimal places).
Let $y^{2}-2y+1=x$ and $\sqrt{x}+y=5$. The value of $x+\sqrt{y}$ equals _________. (Give the answer up to three decimal places).
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
Calculus
gate2017-ee-2
numerical-answers
calculus
curves
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0
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627
GATE Electrical 2017 Set 2 | Question: 27
The value of the contour integral in the complex plane $\oint \frac{z^{3}-2z+3}{z-2} dz$ along the contour $\mid z \mid =3$, taken counter- clockwise is $-18 \pi i$ $0$ $14 \pi i$ $48 \pi i$
The value of the contour integral in the complex plane $\oint \frac{z^{3}-2z+3}{z-2} dz$ along the contour $\mid z \mid =3$, taken counter- clockwise is$-18 \pi i$$0$$14...
Arjun
15.9k
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Arjun
asked
Feb 26, 2017
Calculus
gate2017-ee-2
calculus
contour-integral
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0
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628
GATE Electrical 2017 Set 1 | Question: 53
The figure below shows an uncontrolled diode bridge rectifier supplied from a $220$V, $50$Hz, $I$-phase ac source. The load draws a constant current $I_{0}=14A$. The conduction angle of the diode $D_{1}$ in degrees (rounded off to two decimal places) is _______.
The figure below shows an uncontrolled diode bridge rectifier supplied from a $220$V, $50$Hz, $I$-phase ac source. The load draws a constant current $I_{0}=14A$. The cond...
Arjun
15.9k
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Arjun
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Feb 26, 2017
new
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numerical-answers
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629
GATE Electrical 2017 Set 2 | Question: 21
For the given $2$-port network, the value of transfer impedance $z_{21}$ in ohms is _________.
For the given $2$-port network, the value of transfer impedance $z_{21}$ in ohms is _________.
Arjun
15.9k
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Arjun
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Feb 26, 2017
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630
GATE Electrical 2017 Set 2 | Question: 30
In the circuit shown below, the value of capacitor $C$ required for maximum power to be transferred to the load is $1$ nF $1 \mu F$ $1$ mF $10$ mF
In the circuit shown below, the value of capacitor $C$ required for maximum power to be transferred to the load is $1$ nF$1 \mu F$$1$ mF$10$ mF
Arjun
15.9k
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Arjun
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Feb 26, 2017
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631
GATE Electrical 2017 Set 1 | Question: 28
Consider the line integral $I=\int_{c} (x^{2}+iy^{2})dz$, where $z=x+iy$. The line $c$ is shown in the figure below. The value of $I$ is $\frac{1}{2}i \\ $ $\frac{2}{3}i \\ $ $\frac{3}{4}i \\ $ $\frac{4}{5}i$
Consider the line integral $I=\int_{c} (x^{2}+iy^{2})dz$, where $z=x+iy$. The line $c$ is shown in the figure below.The value of $I$ is$\frac{1}{2}i \\ $$\frac{2}{3}i \\ ...
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
Calculus
gate2017-ee-1
calculus
line-integral
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0
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632
GATE Electrical 2017 Set 2 | Question: 42
A $120$ V DC shunt motor takes $2$A at no load. It takes $7$A on full load while running at $1200$ rpm. The armature resistance is $0.8 \Omega$, and the shunt field resistance is $240 \Omega$. The no load speed, in rpm, is _________.
A $120$ V DC shunt motor takes $2$A at no load. It takes $7$A on full load while running at $1200$ rpm. The armature resistance is $0.8 \Omega$, and the shunt field resis...
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
new
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numerical-answers
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633
GATE Electrical 2017 Set 2 | Question: 44
A $25$ kVA, $400$ V, $\Delta$-connected, $3$-phase, cylindrical rotor synchronous generator requires a field current of $5$ A to maintain the rated armature current under short-circuit condition. For the same field current, the open ... terminal voltage), when the generator delivers the rated load at $0.8$ pf leading, at rated terminal voltage is _________.
A $25$ kVA, $400$ V, $\Delta$-connected, $3$-phase, cylindrical rotor synchronous generator requires a field current of $5$ A to maintain the rated armature current under...
Arjun
15.9k
points
Arjun
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Feb 26, 2017
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634
GATE Electrical 2017 Set 2 | Question: 54
A $3$-phase, $2$-pole, $50$Hz, synchronous generator has a rating of $250$ MVA, $0.8$ pf lagging. The kinetic energy of the machine at synchronous speed is $1000$MJ. The machine is running steadily at synchronous speed ... assuming the acceleration is constant for $10$ cycles, the value of the power angle after $5$ cycles is __________ electrical degrees.
A $3$-phase, $2$-pole, $50$Hz, synchronous generator has a rating of $250$ MVA, $0.8$ pf lagging. The kinetic energy of the machine at synchronous speed is $1000$MJ. The ...
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
new
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numerical-answers
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635
GATE Electrical 2017 Set 1 | Question: 12
The slope and level detector circuit in a $CRO$ has a delay of $100$ns. The start - stop sweep generator has a response time of $50$ns. In order to display correctly, a delay line of $150$ns has to be inserted into the $y$-channel $150$ns has ... $x$ and $y$-channels $100$ns has to be inserted into both $x$ and $y$-channels
The slope and level detector circuit in a $CRO$ has a delay of $100$ns. The start - stop sweep generator has a response time of $50$ns. In order to display correctly, a d...
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
Others
gate2017-ee-1
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0
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answers
636
GATE Electrical 2017 Set 1 | Question: 24
In the converter circuit shown below, the switches are controlled such that the load voltage $v_{0}(t)$ is a $400$ Hz square wave. The RMS value of the fundamental component of $v_{0}(t)$ in volts is ________.
In the converter circuit shown below, the switches are controlled such that the load voltage $v_{0}(t)$ is a $400$ Hz square wave.The RMS value of the fundamental compone...
Arjun
15.9k
points
Arjun
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Feb 26, 2017
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numerical-answers
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637
GATE Electrical 2017 Set 1 | Question: 41
The switch in the figure below was closed for a long time. It is opened at $t=0$. The current in the inductor of $2$H for $t \geq 0$, is $2.5e^{-4t}$ $5e^{-4t}$ $2.5e^{-0.25t}$ $5e^{-0.25t}$
The switch in the figure below was closed for a long time. It is opened at $t=0$. The current in the inductor of $2$H for $t \geq 0$, is $2.5e^{-4t}$$5e^{-4t}$$2.5e^{-0.2...
Arjun
15.9k
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Arjun
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Feb 26, 2017
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638
GATE Electrical 2017 Set 2 | Question: 3
The figures show diagramatic representations of vector fields $\vec{X}, \vec{Y}, \text{and} \vec{Z}$ ... $\bigtriangledown . \vec{X}=0,\bigtriangledown \times \vec{Y} = 0, \bigtriangledown \times \vec{Z}=0$
The figures show diagramatic representations of vector fields $\vec{X}, \vec{Y}, \text{and} \vec{Z}$ respectively. Which one of the following choices is true?$\bigtriangl...
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
Calculus
gate2017-ee-2
calculus
field-vectors
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0
answers
639
GATE Electrical 2017 Set 2 | Question: 5
If a synchronous motor is running at a leading power factor, its excitation induced voltage $(E_{f})$ is Equal to terminal voltage $V_{t}$ Higher than the terminal voltage $V_{t}$ Less than terminal voltage $V_{t}$ Dependent upon supply voltage $V_{t}$
If a synchronous motor is running at a leading power factor, its excitation induced voltage $(E_{f})$ isEqual to terminal voltage $V_{t}$Higher than the terminal voltage ...
Arjun
15.9k
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Feb 26, 2017
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640
GATE Electrical 2017 Set 1 | Question: 18
The power supplied by the $25$V source in the figure shown below is __________ $W$.
The power supplied by the $25$V source in the figure shown below is __________ $W$.
Arjun
15.9k
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Arjun
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Feb 26, 2017
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