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801
GATE Electrical 2014 Set 2 | Question: 46
The second order dynamic system $\dfrac{dX}{dt}=PX+Qu$ $y=RX$ has the matrices $P$, $Q$ and $R$ as follows: $P=\begin{bmatrix} -1 & 1\\ 0& -3 \end{bmatrix}$ ... the following controllability and observability properties: Controllable and observable Not controllable but observable Controllable but not observable Not controllable and not observable
The second order dynamic system$\dfrac{dX}{dt}=PX+Qu$$y=RX$has the matrices $P$, $Q$ and $R$ as follows:$P=\begin{bmatrix} -1 & 1\\ 0& -3 \end{bmatrix}$ $Q=\begin{bmatri...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Control Systems
gate2014-ee-2
dynamic-system
controlability
+
–
0
votes
0
answers
802
GATE Electrical 2014 Set 2 | Question: 43
Three phase $100$ $MVA$ ,$25$ $kV$ generator has solidly grounded neutral. The positive, negative, and the zero sequence reactances of the generator are $0.2$ $pu$, $0.2$ $pu$, and $0.05$ $pu$, respectively, at ... phase to ground fault occurs at the terminal of the unloaded generator, the fault current in amperes immediately after the fault is _________.
Three phase $100$ $MVA$ ,$25$ $kV$ generator has solidly grounded neutral. The positive, negative, and the zero sequence reactances of the generator are $0.2$ $pu$, $0.2$...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2014-ee-2
solidly-grounded
zero-sequence-network
ground-fault
numerical-answers
+
–
0
votes
0
answers
803
GATE Electrical 2014 Set 2 | Question: 40
A synchronous generator is connected to an infinite bus with excitation voltage $E_f$ = $1.3$ $pu$. The generator has a synchronous reactance of $1.1$ $pu$ and is delivering real power $(P)$ of $0.6$ $pu$ to the bus. ... Neglect stator resistance. The reactive power $(Q)$ in $pu$ supplied by the generator to the bus under this condition is _________.
A synchronous generator is connected to an infinite bus with excitation voltage $E_f$ = $1.3$ $pu$. The generator has a synchronous reactance of $1.1$ $pu$ and is deliver...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2014-ee-2
infinite-bus
real-power
numerical-answers
+
–
0
votes
0
answers
804
GATE Electrical 2014 Set 2 | Question: 42
The horizontally placed conductors of a single phase line operating at $50$ $Hz$ are having outside diameter of $1.6$ $cm$, and the spacing between centers of the conductors is $6$ $m$. The permittivity of free space is $8.854\times 10^{-12}F/m$. The capacitance to ground ... $8.4\times 10^{-9}F$ $4.2\times 10^{-12}F$ $8.4\times 10^{-12}F$
The horizontally placed conductors of a single phase line operating at $50$ $Hz$ are having outside diameter of $1.6$ $cm$, and the spacing between centers of the conduct...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electromagnetic Fields
gate2014-ee-2
relative-permitivity
permeability
+
–
0
votes
0
answers
805
GATE Electrical 2014 Set 2 | Question: 50
The $SOP$ (sum of products) form of a Boolean function is $\sum (0,1,3,7,11)$, where inputs are $A,B,C,D$ ($A$ is $MSB$, and $D$ is $LSB$ ... $(\overline{B}+C)(A+\overline{B})(\overline{A}+\overline{B})(\overline{C}+D)$
The $SOP$ (sum of products) form of a Boolean function is $\sum (0,1,3,7,11)$, where inputs are $A,B,C,D$($A$ is $MSB$, and $D$ is $LSB$). The equivalent minimized expres...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analog and Digital Electronics
gate2014-ee-2
boolean-function
least-significant-bit
+
–
0
votes
0
answers
806
GATE Electrical 2014 Set 2 | Question: 48
Two ammeters $X$ and $Y$ have resistances of $1.2$ $Ω$ and $1.5$ $Ω$ respectively and they give full-scale deflection with $150$ $mA$ and $250$ $mA$ respectively. The ranges have been extended by connecting shunts so as to give ... in a circuit in which the total current flowing is $15$ $A$. The current in amperes indicated in ammeter $X$ is __________.
Two ammeters $X$ and $Y$ have resistances of $1.2$ $Ω$ and $1.5$ $Ω$ respectively and they give full-scale deflection with $150$ $mA$ and $250$ $mA$ respectively. The r...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electric Circuits
gate2014-ee-2
current-measurement
voltage-measurement
numerical-answers
+
–
0
votes
0
answers
807
GATE Electrical 2014 Set 2 | Question: 45
For the transfer function $G(s)=\dfrac{5(s+2)}{s(s+0.25)(s^2+4s+25)}$ The values of the constant gain term and the highest corner frequency of the Bode plot respectively are $3.2$ , $5.0$ $16.0$ , $4.0$ $3.2$ , $4.0$ $16.0$ , $5.0$
For the transfer function $$G(s)=\dfrac{5(s+2)}{s(s+0.25)(s^2+4s+25)}$$ The values of the constant gain term and the highest corner frequency of the Bode plot respectivel...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Control Systems
gate2014-ee-2
transfer-function
gain
bode-plot
+
–
0
votes
0
answers
808
GATE Electrical 2014 Set 2 | Question: 49
An oscillator circuit using ideal op-amp and diodes is shown in the figure. The time duration for $+ve$ part of the cycle is $\Delta t_1$ and for $–ve$ part is $\Delta t_2$ . The value of $e^{\frac{\Delta t_1-\Delta t_2}{RC}}$ will be _____________.
An oscillator circuit using ideal op-amp and diodes is shown in the figure.The time duration for $+ve$ part of the cycle is $\Delta t_1$ and for $–ve$ part is $\Delta t...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analog and Digital Electronics
gate2014-ee-2
operational-amplifier
feed-back-resistor
numerical-answers
+
–
0
votes
0
answers
809
GATE Electrical 2014 Set 2 | Question: 44
A system with the open loop transfer function $G(s)=\dfrac{K}{s(s+2)(s^2+2s+2)}$ is connected in a negative feedback configuration with a feedback gain of unity. For the closed loop system to be marginally stable, the value of $K$ is ______
A system with the open loop transfer function $$G(s)=\dfrac{K}{s(s+2)(s^2+2s+2)}$$ is connected in a negative feedback configuration with a feedback gain of unity. For th...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Control Systems
gate2014-ee-2
negative-feedback
marginally-stable
numerical-answers
+
–
0
votes
0
answers
810
GATE Electrical 2014 Set 2 | Question: 29
Assuming the diodes to be ideal in the figure, for the output to be clipped, the input voltage $v_i$ must be outside the range $-1$ $V$ to $-2$ $V$ $-2$ $V$ to $-4$ $V$ $+1$ $V$ to $-2$ $V$ $+2$ $V$ to $-4$ $V$
Assuming the diodes to be ideal in the figure, for the output to be clipped, the input voltage $v_i$ must be outside the range$-1$ $V$ to $-2$ $V$$-2$ $V$ to $-4$ $V$$+1$...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analog and Digital Electronics
gate2014-ee-2
clipper-circuits
diodes
+
–
0
votes
0
answers
811
GATE Electrical 2014 Set 2 | Question: 36
A $250$ $V$ $dc$ shunt machine has armature circuit resistance of $0.6$ $Ω$ and field circuit resistance of $125$ $Ω$. The machine is connected to $250$ $V$ supply mains. The motor is operated as a generator and then as a motor separately ... in both the cases is $50$ $A$. The ratio of the speed as a generator to the speed as a motor is ____________.
A $250$ $V$ $dc$ shunt machine has armature circuit resistance of $0.6$ $Ω$ and field circuit resistance of $125$ $Ω$. The machine is connected to $250$ $V$ supply main...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electrical Machines
gate2014-ee-2
core-resistance
armature-winding
numerical-answers
+
–
0
votes
0
answers
812
GATE Electrical 2014 Set 2 | Question: 30
The voltage across the capacitor, as shown in the figure, is expressed as $V_c(t)=A_1\sin(\omega _1t-\theta _1)+A_2 \sin(\omega _2t-\theta _2)$ The values of $A_1 $and $A_2$ respectively, are $2.0$ and $1.98$ $2.0$ and $4.20$ $2.5$ and $3.50$ $5.0$ and $6.40$
The voltage across the capacitor, as shown in the figure, is expressed as$V_c(t)=A_1\sin(\omega _1t-\theta _1)+A_2 \sin(\omega _2t-\theta _2)$The values of $A_1 $and $A_2...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electric Circuits
gate2014-ee-2
sinusoidal-voltage-source
+
–
0
votes
0
answers
813
GATE Electrical 2014 Set 2 | Question: 39
For a single phase, two winding transformer, the supply frequency and voltage are both increased by $10%$. The percentage changes in the hysteresis loss and eddy current loss, respectively, are $10$ and $21$ $-10$ and $21$ $21$ and $10$ $-21$ and $10$
For a single phase, two winding transformer, the supply frequency and voltage are both increased by $10%$. The percentage changes in the hysteresis loss and eddy current ...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electrical Machines
gate2014-ee-2
hysterisis-loss
eddy-current-loss
+
–
0
votes
0
answers
814
GATE Electrical 2014 Set 2 | Question: 33
A discrete system is represented by the difference equation $\begin{bmatrix} X_1(k+1)\\ X_2(k+2) \end{bmatrix}=\begin{bmatrix} a & a-1\\ a+1 & a \end{bmatrix}\begin{bmatrix} X_1(k)\\X_2(k) \end{bmatrix}$ It has initial conditions $X_1(0)$ = $1$ ... $a$ = $1$, are $1\pm j0$ $-1\pm j0$ $\pm 1+j0$ $0\pm j1$
A discrete system is represented by the difference equation$\begin{bmatrix} X_1(k+1)\\ X_2(k+2) \end{bmatrix}=\begin{bmatrix} a & a-1\\ a+1 & a \end{bmatrix}\begin{bmatri...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Control Systems
gate2014-ee-2
bode-plot
stability-study
+
–
0
votes
0
answers
815
GATE Electrical 2014 Set 2 | Question: 31
The total power dissipated in the circuit, shown in the figure, is $1$ $kW$. The voltmeter, across the load, reads $200$ $V$. The value of $X_L$ is ___________.
The total power dissipated in the circuit, shown in the figure, is $1$ $kW$.The voltmeter, across the load, reads $200$ $V$. The value of $X_L$ is ___________.
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electric Circuits
gate2014-ee-2
power-loss
reactance
numerical-answers
+
–
0
votes
0
answers
816
GATE Electrical 2014 Set 2 | Question: 35
A $10$ $kHz$ even-symmetric square wave is passed through a bandpass filter with centre frequency at $30$ $kHz$ and $3$ $dB$ passband of $6$ $kHz$. The filter output is a highly attenuated square wave at $10$ $kHz$. nearly zero. a nearly perfect cosine wave at $30$ $kHz$ a nearly perfect sine wave at $30$ $kHz$.
A $10$ $kHz$ even-symmetric square wave is passed through a bandpass filter with centre frequency at $30$ $kHz$ and $3$ $dB$ passband of $6$ $kHz$. The filter output isa ...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analog and Digital Electronics
gate2014-ee-2
band-limiting-circuit
filters
+
–
0
votes
0
answers
817
GATE Electrical 2014 Set 2 | Question: 34
An input signal $x(t)=2+5 \sin(100\pi t)$ is sampled with a sampling frequency of $400$ $Hz$ ... where, $N$ represents the number of samples per cycle. The output $y(n)$ of the system under steady state is $0$ $1$ $2$ $5$
An input signal $x(t)=2+5 \sin(100\pi t)$ is sampled with a sampling frequency of $400$ $Hz$ and applied to the system whose transfer function is represented by $$\dfrac...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Signals and Systems
gate2014-ee-2
transfer-function
sampling-per-cycle
+
–
0
votes
0
answers
818
GATE Electrical 2014 Set 2 | Question: 32
The magnitude of magnetic flux density ($\vec{B}$ ) at a point having normal distance $d$ meters from an infinitely extended wire carrying current of $I$ $A$ is $\dfrac{\mu i}{2\pi d}$ (in $SI$ units) (in SI units). An infinitely extended wire is laid along the $x$-axis and is ... $\dfrac{3}{2\pi }\hat{k} \: A/m \\$ $0 \: A/m$
The magnitude of magnetic flux density ($\vec{B}$ ) at a point having normal distance $d$ meters from an infinitely extended wire carrying current of $I$ $A$ is $\dfrac{\...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electromagnetic Fields
gate2014-ee-2
flux-density
field-intensity
+
–
0
votes
0
answers
819
GATE Electrical 2014 Set 2 | Question: 37
A three-phase slip-ring induction motor, provided with a commutator winding, is shown in the figure. The motor rotates in clockwise direction when the rotor windings are closed. If the rotor winding is open circuited and the system is made to run at rotational speed fr with the help ... $f$ $f-f_r$ and $f$ $f-f_r$ and $f+f_r$ $f+f_r$ and $f-f_r$
A three-phase slip-ring induction motor, provided with a commutator winding, is shown in the figure. The motor rotates in clockwise direction when the rotor windings are ...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electrical Machines
gate2014-ee-2
prime-mover
slip-rings
commutator
+
–
0
votes
0
answers
820
GATE Electrical 2014 Set 2 | Question: 38
A $20$-pole alternator is having $180$ identical stator slots with $6$ conductors in each slot. All the coils of a phase are in series. If the coils are connected to realize single-phase winding, the generated voltage is $V_1$. If the coils are reconnected to realize three-phase ... $V_1/V_2$ is $\dfrac{1}{\sqrt{3}} \\$ $\dfrac{1}{2} \\$ $\sqrt{3} \\$ $2$
A $20$-pole alternator is having $180$ identical stator slots with $6$ conductors in each slot. All the coils of a phase are in series. If the coils are connected to real...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electrical Machines
gate2014-ee-2
full-pitched-winding
generator
+
–
0
votes
0
answers
821
GATE Electrical 2014 Set 2 | Question: 24
A step-up chopper is used to feed a load at $400$ $V$ $dc$ from a $250$ $V$ $dc$ source. The inductor current is continuous. If the ‘off’ time of the switch is $20$ $μs$, the switching frequency of the chopper in $kHz$ is ____________.
A step-up chopper is used to feed a load at $400$ $V$ $dc$ from a $250$ $V$ $dc$ source. The inductor current is continuous. If the ‘off’ time of the switch is $20$ $...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analog and Digital Electronics
gate2014-ee-2
boost-converter
numerical-answers
+
–
0
votes
0
answers
822
GATE Electrical 2014 Set 2 | Question: 20
While measuring power of a three-phase balanced load by the two-wattmeter method, the readings are $100$ $W$ and $250$ $W$. The power factor of the load is ______.
While measuring power of a three-phase balanced load by the two-wattmeter method, the readings are $100$ $W$ and $250$ $W$. The power factor of the load is ______.
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2014-ee-2
balanced-loads
power-factor
numerical-answers
+
–
0
votes
0
answers
823
GATE Electrical 2014 Set 2 | Question: 22
The transistor in the given circuit should always be in active region. Take $V_{CE(sat)}$ = $0.2$ $V$ , $V_{BE}$=$0.7$ $V$. The maximum value of $R_c$ in $Ω$ which can be used, is ______________.
The transistor in the given circuit should always be in active region. Take $V_{CE(sat)}$ = $0.2$ $V$ , $V_{BE}$=$0.7$ $V$. The maximum value of $R_c$ in $Ω$ which can b...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analog and Digital Electronics
gate2014-ee-2
gain-factor
bjt-transistor
numerical-answers
+
–
0
votes
0
answers
824
GATE Electrical 2014 Set 2 | Question: 21
Which of the following is an invalid state in an $8$-$4$-$2$-$1$ Binary Coded Decimal counter $1$ $0$ $0$ $0$ $1$ $0$ $0$ $1$ $0$ $0$ $1$ $1$ $1$ $1$ $0$ $0$
Which of the following is an invalid state in an $8$-$4$-$2$-$1$ Binary Coded Decimal counter$1$ $0$ $0$ $0$$1$ $0$ $0$ $1$$0$ $0$ $1$ $1$$1$ $1$ $0$ $0$
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analog and Digital Electronics
gate2014-ee-2
binary-code
counter
+
–
0
votes
0
answers
825
GATE Electrical 2014 Set 2 | Question: 26
To evaluate the double integral $\displaystyle \int_{0}^{8} \bigg (\int_{(y/2)}^{y/2+1} \bigg (\dfrac{2x-y}{2} \bigg)dx \bigg)dy$ , we make the substitution $u=\bigg (\dfrac{2x-y}{2} \bigg)$ and $v=\dfrac{y}{2}$ ... $\displaystyle \int_{0}^{4} \bigg (\int_{0}^{2}u \: du \bigg ) dv$
To evaluate the double integral $\displaystyle \int_{0}^{8} \bigg (\int_{(y/2)}^{y/2+1} \bigg (\dfrac{2x-y}{2} \bigg)dx \bigg)dy$ , we make the substitution $u=\bigg (\df...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Calculus
gate2014-ee-2
calculus
definite-integral
double-integral
+
–
0
votes
0
answers
826
GATE Electrical 2014 Set 2 | Question: 23
The sinusoidal ac source in the figure has an rms value of $\dfrac{20}{\sqrt{2}}V$ . Considering all possible values of $R_L$, the minimum value of $R_S$ in $\Omega$ to avoid burnout of the Zener diode is _________.
The sinusoidal ac source in the figure has an rms value of $\dfrac{20}{\sqrt{2}}V$ . Considering all possible values of $R_L$, the minimum value of $R_S$ in $\Omega$ to a...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analog and Digital Electronics
gate2014-ee-2
analog-and-digital-electronics
zener-diode
reverse-saturation-current
numerical-answers
+
–
0
votes
0
answers
827
GATE Electrical 2014 Set 2 | Question: 19
The saw-tooth voltage waveform shown in the figure is fed to a moving iron voltmeter. Its reading would be close to _____________
The saw-tooth voltage waveform shown in the figure is fed to a moving iron voltmeter. Its reading would be close to _____________
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electric Circuits
gate2014-ee-2
waveforms
voltmeter
numerical-answers
+
–
0
votes
0
answers
828
GATE Electrical 2014 Set 2 | Question: 17
The closed loop transfer function of a system is $T(s)=\dfrac{4}{s^2+0.4S+4}$ The steady state error due to unit step input is __________.
The closed loop transfer function of a system is $T(s)=\dfrac{4}{s^2+0.4S+4}$ The steady state error due to unit step input is __________.
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Control Systems
gate2014-ee-2
unit-step-function
closed-loop-system
numerical-answers
+
–
0
votes
0
answers
829
GATE Electrical 2014 Set 2 | Question: 28
The minimum value of the function $f(x)=x^3-3x^2-24x+100$ in the interval $[-3,3]$ is $20$ $28$ $16$ $32$
The minimum value of the function $f(x)=x^3-3x^2-24x+100$ in the interval $[-3,3]$ is$20$$28$$16$$32$
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Calculus
gate2014-ee-2
calculus
maxima-minima
+
–
0
votes
0
answers
830
GATE Electrical 2014 Set 2 | Question: 25
In a constant $V/f$ control of induction motor, the ratio $V/f$ is maintained constant from $0$ to base frequency, where $V$ is the voltage applied to the motor at fundamental frequency $f$. Which of the following statements ... its rated value. At low frequency, the motor saturates. At low frequency, the stator flux remains unchanged at its rated value.
In a constant $V/f$ control of induction motor, the ratio $V/f$ is maintained constant from $0$ to base frequency, where $V$ is the voltage applied to the motor at fundam...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electrical Machines
gate2014-ee-2
frequency-drives
frequency-harmonics
+
–
0
votes
0
answers
831
GATE Electrical 2014 Set 2 | Question: 18
The state transition matrix for the system $\begin{bmatrix} \dot{x_1}\\ \dot{x_2} \end{bmatrix}=\begin{bmatrix} 1 & 0\\ 1 & 1 \end{bmatrix}\begin{bmatrix} x_1\\ x_2 \end{bmatrix}+\begin{bmatrix} 1\\ 1 \end{bmatrix}u$ ... $\begin{bmatrix} e^t &te^t \\ 0&e^t \end{bmatrix}$
The state transition matrix for the system$\begin{bmatrix} \dot{x_1}\\ \dot{x_2} \end{bmatrix}=\begin{bmatrix} 1 & 0\\ 1 & 1 \end{bmatrix}\begin{bmatrix} x_1\\ x_2 \end{b...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Linear Algebra
gate2014-ee-2
linear-algebra
matrices
transition-matrix
+
–
0
votes
0
answers
832
GATE Electrical 2014 Set 2 | Question: 27
Let $X$ be a random variable with probability density function $f(x)=\begin{cases} 0.2,& \text{for } \mid x \mid \leq 1\\ 0.1,& \text{for }1< \mid x \mid \leq 4\\ 0 & \text{otherwise } \end{cases} \\$ The probability $P(0.5 < X < 5)$ is ______.
Let $X$ be a random variable with probability density function$f(x)=\begin{cases} 0.2,& \text{for } \mid x \mid \leq 1\\ 0.1,& \text{for }1< \mid x \mid \leq 4\\ 0 & \tex...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Probability & Statistics
gate2014-ee-2
probability-and-statistics
probability
random-variable
probability-density-function
numerical-answers
+
–
0
votes
0
answers
833
GATE Electrical 2014 Set 2 | Question: 14
A single phase induction motor draws $12$ $MW$ power at $0.6$ lagging power. A capacitor is connected in parallel to the motor to improve the power factor of the combination of motor and capacitor to $0.8$ lagging. Assuming ... reactive power drawn by the motor remains same as before, the reactive power delivered by the capacitor in $MVAR$ is __________.
A single phase induction motor draws $12$ $MW$ power at $0.6$ lagging power. A capacitor is connected in parallel to the motor to improve the power factor of the combinat...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electrical Machines
gate2014-ee-2
induction
magnetic-flux
numerical-answers
+
–
0
votes
0
answers
834
GATE Electrical 2014 Set 2 | Question: 12
A single phase, $50$ $kVA$, $1000V$/$100V$ two winding transformer is connected as an autotransformer as shown in the figure. The $kVA$ rating of the autotransformer is _____________.
A single phase, $50$ $kVA$, $1000V$/$100V$ two winding transformer is connected as an autotransformer as shown in the figure.The $kVA$ rating of the autotransformer is __...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2014-ee-2
auto-transformer
step-down-transformer
numerical-answers
+
–
0
votes
0
answers
835
GATE Electrical 2014 Set 2 | Question: 13
A three-phase, $4$-pole, self excited induction generator is feeding power to a load at a frequency $f_1$. If the load is partially removed, the frequency becomes $f_2$. If the speed of the generator is maintained at $1500$ $rpm$ ... $f_2> 50 Hz$ $f_1,f_2< 50Hz$ and $f_2> f_1$ $f_1>50 Hz$ and $f_2< 50 Hz$
A three-phase, $4$-pole, self excited induction generator is feeding power to a load at a frequency $f_1$. If the load is partially removed, the frequency becomes $f_2$. ...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electrical Machines
gate2014-ee-2
revolution-per-minute
winding
+
–
0
votes
0
answers
836
GATE Electrical 2014 Set 2 | Question: 15
A three phase star-connected load is drawing power at a voltage of $0.9$ $pu$ and $0.8$ power factor lagging. The three phase base power and base current are $100$ $MVA$ and $437.384$ $A$ respectively. The line-to-line load voltage in $kV$ is ________.
A three phase star-connected load is drawing power at a voltage of $0.9$ $pu$ and $0.8$ power factor lagging. The three phase base power and base current are $100$ $MVA$ ...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2014-ee-2
power-factor
star-connection
numerical-answers
+
–
0
votes
0
answers
837
GATE Electrical 2014 Set 2 | Question: 5
Consider the differential equation $x^2\dfrac{d^2y}{dx^2}+x\dfrac{dy}{dx}-y=0$. Which of the following is a solution to this differential equation for $x>0$? $e^x$ $x^2$ $1/x$ $\ln x$
Consider the differential equation $x^2\dfrac{d^2y}{dx^2}+x\dfrac{dy}{dx}-y=0$. Which of the following is a solution to this differential equation for $x>0$?$e^x$$x^2$$1/...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Differential Equations
gate2014-ee-2
derivatives
equations
+
–
0
votes
0
answers
838
GATE Electrical 2014 Set 2 | Question: 6
Two identical coupled inductors are connected in series. The measured inductances for the two possible series connections are $380$ $μH$ and $240$ $μH$. Their mutual inductance in $μH$ is ________
Two identical coupled inductors are connected in series. The measured inductances for the two possible series connections are $380$ $μH$ and $240$ $μH$. Their mutual in...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2014-ee-2
passive-loads
series-connection
numerical-answers
+
–
0
votes
0
answers
839
GATE Electrical 2014 Set 2 | Question: 11
Assuming an ideal transformer, the Thevenin’s equivalent voltage and impedance as seen from the terminals $x$ and $y$ for the circuit in figure are $2 \sin(wt) , 4 \Omega $ $1 \sin(wt), 1\Omega$ $1 \sin(wt), 2\Omega$ $1 \sin(wt), 0.5\Omega$
Assuming an ideal transformer, the Thevenin’s equivalent voltage and impedance as seen from the terminals $x$ and $y$ for the circuit in figure are$2 \sin(wt) , 4 \Omeg...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electric Circuits
gate2014-ee-2
thevinin-circuit
ideal-transformer
+
–
0
votes
0
answers
840
GATE Electrical 2014 Set 2 | Question: 9
Consider an LTI system with transfer function $H(s)=\frac{1}{s(s+4)}$ If the input to the system is $ \cos(3t)$ and the steady state output is $A \sin(3t+\alpha )$ , then the value of $A$ is $1/30$ $1/15$ $3/4$ $4/3$
Consider an LTI system with transfer function $$H(s)=\frac{1}{s(s+4)}$$ If the input to the system is $ \cos(3t)$ and the steady state output is $A \sin(3t+\alpha )$ , th...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Control Systems
gate2014-ee-2
linear-time-invariant-system
transfer-function
+
–
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