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721
GATE Electrical 2018 | Question: 40
The Fourier transform of a continuous-time signal $x(t)$ is given by $X(\omega) = \frac{1}{(10+j \omega)^2}, – \infty < \omega < \infty$, where $j = \sqrt{-1}$ and $\omega$ denoes frequency. Then the value of $\mid \text{ln } x(t) \mid$ at $t=1$ is _________ (up to $1$ decimal place). ($\text{ln}$ denotes the logarithm base $e$)
The Fourier transform of a continuous-time signal $x(t)$ is given by $X(\omega) = \frac{1}{(10+j \omega)^2}, – \infty < \omega < \infty$, where $j = \sqrt{-1}$ and $\om...
Arjun
15.9k
points
Arjun
asked
Feb 19, 2018
Transform Theory
gate2018-ee
numerical-answers
transform-theory
fourier-transform
+
–
0
votes
0
answers
722
GATE Electrical 2018 | Question: 12
The value of the directional derivative of the function $\Phi (x,y,z) = xy^2 +yz^2+zx^2$ at the point $(2,-1,1)$ in the direction of the vector $\textbf{p}= \textbf{i} +2 \textbf{j} + 2 \textbf{k}$ is $1$ $0.95$ $0.93$ $0.9$
The value of the directional derivative of the function $\Phi (x,y,z) = xy^2 +yz^2+zx^2$ at the point $(2,-1,1)$ in the direction of the vector $\textbf{p}= \textbf{i} +2...
Arjun
15.9k
points
Arjun
asked
Feb 19, 2018
Calculus
gate2018-ee
calculus
directional-derivatives
+
–
0
votes
0
answers
723
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
+
–
0
votes
0
answers
724
GATE Electrical 2017 Set 1 | GA Question: 5
The probability that a $k$-digit number does NOT contain the digits $0, 5$ or $9$ is $0.3^{k}$ $0.6^{k}$ $0.7^{k}$ $0.9^{k}$
The probability that a $k$-digit number does NOT contain the digits $0, 5$ or $9$ is$0.3^{k}$$0.6^{k}$$0.7^{k}$$0.9^{k}$
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
Quantitative Aptitude
gate2017-ee-1
numerical-ability
probability
+
–
0
votes
0
answers
725
GATE Electrical 2017 Set 1 | Question: 37
The logical gate implemented using the circuit shown below where $V_{1}$ and $V_{2}$ are inputs (with $0$V as digital $0$ and $5$V as digital $1$) and $V_{out}$ is the output, is NOT NOR NAND XOR
The logical gate implemented using the circuit shown below where $V_{1}$ and $V_{2}$ are inputs (with $0$V as digital $0$ and $5$V as digital $1$) and $V_{out}$ is the ou...
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
new
gate2017-ee-1
+
–
0
votes
0
answers
726
GATE Electrical 2013 | Question: 64
A car travels $8$ km in the first quarter of an hour, $6$ km in the second quarter and $16$ km in the third quarter. The average speed of the car in km per hour over the entire journey is $30$ $36$ $40$ $24$
A car travels $8$ km in the first quarter of an hour, $6$ km in the second quarter and $16$ km in the third quarter. The average speed of the car in km per hour over the...
piyag476
1.5k
points
piyag476
asked
Feb 11, 2017
Quantitative Aptitude
gate2013-ee
numerical-ability
speed-time-distance
average-speed
+
–
0
votes
0
answers
727
GATE Electrical 2013 | Question: 33
For a power system network with $n$ nodes, $Z_{33}$ of its bus impedance matrix is $j0.5$ per unit. The voltage at node $3$ is $1.3\angle -10^{\circ}$ per unit. If a capacitor having reactance of $-j3.5$ ... $0.325\angle -100^{\circ}$ $0.325\angle 80^{\circ}$ $0.371\angle -100^{\circ}$ $0.433\angle 80^{\circ}$
For a power system network with $n$ nodes, $Z_{33}$ of its bus impedance matrix is $j0.5$ per unit. The voltage at node $3$ is $1.3\angle -10^{\circ}$ per unit. If a cap...
piyag476
1.5k
points
piyag476
asked
Feb 11, 2017
Power Systems
gate2013-ee
bus-impedance-matrix
source
+
–
0
votes
0
answers
728
GATE Electrical 2013 | Question: 21
Leakage flux in an induction motor is flux that leaks through the machine flux that links both stator and rotor windings flux that links none of the windings flux that links the stator winding or the rotor winding but not both
Leakage flux in an induction motor isflux that leaks through the machineflux that links both stator and rotor windingsflux that links none of the windingsflux that links ...
piyag476
1.5k
points
piyag476
asked
Feb 11, 2017
Electrical Machines
gate2013-ee
magnetic-flux
stator-winding
+
–
0
votes
0
answers
729
GATE Electrical 2015 Set 2 | Question: 35
The $z$-Transform of a sequence $x[n]$ is given as $X(z)=2z+4-4/z+3/z^{2}$. If $y[n]$ is the first difference of $x[n]$, then $Y(z)$ is given by $2z+2-8/z+7/z^{2}-3/z^{3}$ $-2z+2-6/z+1/z^{2}-3/z^{3}$ $-2z-2+8/z-7/z^{2}+3/z^{3}$ $4z-2-8/z-1/z^{2}+3/z^{3}$
The $z$-Transform of a sequence $x[n]$ is given as $X(z)=2z+4-4/z+3/z^{2}$. If $y[n]$ is the first difference of $x[n]$, then $Y(z)$ is given by$2z+2-8/z+7/z^{2}-3/z^{3}$...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Signals and Systems
gate2015-ee-2
sequence
complex-frequency-domain-representation
+
–
0
votes
0
answers
730
GATE Electrical 2015 Set 2 | Question: 20
Find the transformer ratios $a$ and $b$ such that the impedance ($Z_{in}$) is resistive and equals $2.5 \Omega$ when the network is excited with a sine wave voltage of angular frequency of $5000$ rad/s. $a = 0.5, b = 2.0$ $a = 2.0, b = 0.5$ $a = 1.0, b = 1.0$ $a = 4.0, b = 0.5$
Find the transformer ratios $a$ and $b$ such that the impedance ($Z_{in}$) is resistive and equals $2.5 \Omega$ when the network is excited with a sine wave voltage of an...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2015-ee-2
turn-ratio
transformer-core
eddy-current
+
–
0
votes
0
answers
731
GATE Electrical 2016 Set 1 | Question: 6
The transfer function of a system is $\dfrac{Y(s)}{R(s)}=\dfrac{s}{s+2}$. The steady state output $y(t)$ is $A \cos (2t + \phi)$ for the input $\cos (2t)$. The values of $A$ and $\phi$ respectively are $\dfrac{1}{\sqrt{2}}, -45^\circ$ $\dfrac{1}{\sqrt{2}}, +45^\circ$ $\sqrt{2}, -45^\circ$ $\sqrt{2}, +45^\circ$
The transfer function of a system is $\dfrac{Y(s)}{R(s)}=\dfrac{s}{s+2}$. The steady state output $y(t)$ is $A \cos (2t + \phi)$ for the input $\cos (2t)$. The values of ...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Control Systems
gate2016-ee-1
laplace-transform
convolution-integral
feed-back-transfer-function
+
–
0
votes
0
answers
732
GATE Electrical 2016 Set 1 | Question: 1
The maximum value attained by the function. $f(x) = x(x-1) (x-2)$ in the interval $[1, 2]$ is ___________.
The maximum value attained by the function. $f(x) = x(x-1) (x-2)$ in the interval $[1, 2]$ is ___________.
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Calculus
gate2016-ee-1
calculus
maxima-minima
numerical-answers
+
–
0
votes
0
answers
733
GATE Electrical 2020 | Question: 31
A non-ideal diode is biased with a voltage of $-0.03 \: V$, and a diode current of $I_{1}$ is measured. The thermal voltage is $26 \: mV$ and the ideality factor for the diode is $15/13$. The voltage, in $V$, at which the measured current increases to $1.5 \: I_{1}$ is closest to: $-0.02$ $-0.09$ $-1.50$ $-4.50$
A non-ideal diode is biased with a voltage of $-0.03 \: V$, and a diode current of $I_{1}$ is measured. The thermal voltage is $26 \: mV$ and the ideality factor for the ...
go_editor
1.9k
points
go_editor
asked
Feb 28, 2020
new
gate2020-ee
+
–
0
votes
0
answers
734
GATE Electrical 2012 | Question: 31
Let $y[n]$ denote the convolution of $h[n]$ and $g[n]$, where $h[n]=(1/2)^n u[n]$ and $g[n]$ is a casual sequence. If $y[0]=1$ and $y[1]=1/2$, then $g[1]$ equals $0$ $1/2$ $1$ $3.2$
Let $y[n]$ denote the convolution of $h[n]$ and $g[n]$, where $h[n]=(1/2)^n u[n]$ and $g[n]$ is a casual sequence. If $y[0]=1$ and $y =1/2$, then $g $ equals$0$$1/2$$1$$3...
Andrijana3306
1.4k
points
Andrijana3306
asked
Mar 23, 2018
new
gate2012-ee
+
–
0
votes
0
answers
735
GATE Electrical 2018 | Question: 39
The signal energy of he continuous-time signal $x(t)=[(t-1)u(t-1)]-[(t-2)u(t-2)]-[(t-3)u(t-3)]+[(t-4)u(t-4)]$ is $11/3$ $7/3$ $1/3$ $5/3$
The signal energy of he continuous-time signal $x(t)=[(t-1)u(t-1)]-[(t-2)u(t-2)]-[(t-3)u(t-3)]+[(t-4)u(t-4)]$ is$11/3$$7/3$$1/3$$5/3$
Arjun
15.9k
points
Arjun
asked
Feb 19, 2018
new
gate2018-ee
+
–
0
votes
0
answers
736
GATE Electrical 2018 | Question: 25
Consider a unity feedback system with forward transfer function given by $G(s) = \frac{1}{(s+1)(s+2)}$ The steady-state error in the output of the system for a unit-step input is _______ (up to $2$ decimal places).
Consider a unity feedback system with forward transfer function given by $$G(s) = \frac{1}{(s+1)(s+2)}$$ The steady-state error in the output of the system for a unit-ste...
Arjun
15.9k
points
Arjun
asked
Feb 19, 2018
new
gate2018-ee
numerical-answers
+
–
0
votes
0
answers
737
GATE Electrical 2018 | Question: 20
The series impedance matrix of a short three-phase transmission line in phase coordinates is $\begin{bmatrix} Z_s & Z_m & Z_m \\ Z_m & Z_s & Z_m \\ Z_m & Z_m & Z_s \end{bmatrix}$ ... $Z_m$ (in $\Omega$) is ___________ (up to $2$ decimal places).
The series impedance matrix of a short three-phase transmission line in phase coordinates is $\begin{bmatrix} Z_s & Z_m & Z_m \\ Z_m & Z_s & Z_m \\ Z_m & Z_m & Z_s \end{b...
Arjun
15.9k
points
Arjun
asked
Feb 19, 2018
new
gate2018-ee
numerical-answers
+
–
0
votes
0
answers
738
GATE Electrical 2017 Set 2 | Question: 39
The figure below shows a half-bridge voltage source inverter supplying an RL-load with $R=40 \Omega$ and $L=(\frac{0.3}{\pi})H$. The desired fundamental frequency of the load voltage is $50$Hz. The switch control signals of the converter are generated using ... $DC$ source voltage $V_{DC}$ in volts is. $300\sqrt{2}$ $500$ $500\sqrt{2}$ $1000\sqrt{2}$
The figure below shows a half-bridge voltage source inverter supplying an RL-load with $R=40 \Omega$ and $L=(\frac{0.3}{\pi})H$. The desired fundamental frequency of the ...
Arjun
15.9k
points
Arjun
asked
Feb 26, 2017
new
gate2017-ee-2
+
–
0
votes
0
answers
739
GATE Electrical 2013 | Question: 52
In the following network, the voltage magnitudes at all buses are equal to $1 p.u.$, the voltage phase angles are very small, and the line resistances are negligible. All the line reactances are equal to $j1$ $\Omega.$ The voltage phase angles in rad at buses $2$ and $3$ ... $\theta _2=0,\theta _3=-0.1$ $\theta _2=0.1,\theta _3=0.1$ $\theta _2=0.1,\theta _3=0.2$
In the following network, the voltage magnitudes at all buses are equal to $1 p.u.$, the voltage phase angles are very small, and the line resistances are negligible. All...
piyag476
1.5k
points
piyag476
asked
Feb 11, 2017
Power Systems
gate2013-ee
pv-buses
pq-buses
+
–
0
votes
0
answers
740
GATE Electrical 2014 Set 3 | Question: 17
The signal flow graph of a system is shown below. $U(s)$ is the input and $C(s)$ is the output. Assuming, $h_1=b_1$ and $h_0=b_0-b_1a_1$ , the input-output transfer function, $G(s)=\dfrac{C(s)}{U(s)}$ ... $G(s)=\dfrac{b_1s+b_0}{s^2+a_1s+a_0} \\$ $G(s)=\dfrac{a_0s+a1}{s^2+b_0s+b_1}$
The signal flow graph of a system is shown below. $U(s)$ is the input and $C(s)$ is the output.Assuming, $h_1=b_1$ and $h_0=b_0-b_1a_1$ , the input-output transfer functi...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Control Systems
gate2014-ee-3
stability
bode-plot
+
–
0
votes
0
answers
741
GATE Electrical 2014 Set 2 | Question: 55
The SCR in the circuit shown has a latching current of $40 \: mA$. $A$ gate pulse of $50 \: \mu s$ is applied to the $SCR$. The maximum value of $R$ in $ \Omega$ to ensure successful firing of the $SCR$ is ________.
The SCR in the circuit shown has a latching current of $40 \: mA$. $A$ gate pulse of $50 \: \mu s$ is applied to the $SCR$. The maximum value of $R$ in $ \Omega$ to ensur...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electrical and Electronic Measurements
gate2014-ee-2
latching-circuit
firing-angle
numerical-answers
+
–
0
votes
0
answers
742
GATE Electrical 2014 Set 1 | Question: 51
In the figure shown, assume the op-amp to be ideal. Which of the alternatives gives the correct Bode plots for the transfer function $\dfrac{V_o(\omega )}{V_i(\omega )}?$
In the figure shown, assume the op-amp to be ideal. Which of the alternatives gives the correct Bode plots for the transfer function $\dfrac{V_o(\omega )}{V_i(\omega )}?$...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Control Systems
gate2014-ee-1
transfer
function
operational-amplifier
+
–
0
votes
0
answers
743
GATE Electrical 2014 Set 1 | Question: 22
In the Wien Bridge oscillator circuit shown in figure, the bridge is balanced when $\dfrac{R_3}{R_4}=\dfrac{R_1}{R_2}\, \: \: \omega =\dfrac{1}{\sqrt{R_1C_1R_2C_2}} \\$ ... $\dfrac{R_3}{R_4}+\dfrac{R_1}{R_2}=\dfrac{C_2}{C_1}, \: \: \omega =\dfrac{1}{R_1C_1R_2C_2}$
In the Wien Bridge oscillator circuit shown in figure, the bridge is balanced when$\dfrac{R_3}{R_4}=\dfrac{R_1}{R_2}\, \: \: \omega =\dfrac{1}{\sqrt{R_1C_1R_2C_2}} \\$ $\...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electrical and Electronic Measurements
gate2014-ee-1
wien
bridge
oscillator
+
–
0
votes
0
answers
744
GATE Electrical 2016 Set 2 | GA Question: 10
The numeral in the units position of $211^{870}+146^{127} \times 3^{424}$ is _____.
The numeral in the units position of $211^{870}+146^{127} \times 3^{424}$ is _____.
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Quantitative Aptitude
gate2016-ee-2
numerical-ability
numerical-computation
numerical-answers
+
–
0
votes
0
answers
745
GATE Electrical 2016 Set 1 | Question: 34
Suppose $x_{1}(t)$ and $x_{2}(t)$ have the Fourier transforms as shown below. Which one of the following statements is TRUE? $x_{1}(t)$ and $x_{2}(t)$ are complex and $x_{1}(t) x_{2}(t)$is also complex with nonzero imaginary part $x_{1}(t)$ and $x_{2}(t)$ ... $x_{1}(t)$ and $x_{2}(t)$ are imaginary but $x_{1}(t) x_{2}(t)$ is real
Suppose $x_{1}(t)$ and $x_{2}(t)$ have the Fourier transforms as shown below.Which one of the following statements is TRUE?$x_{1}(t)$ and $x_{2}(t)$ are complex and $x_{1...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Signals and Systems
gate2016-ee-1
mirror
signal
+
–
0
votes
0
answers
746
GATE Electrical 2023 | Question: 16
A semiconductor switch needs to block voltage $\text{V}$ of only one polarity $\text{(V>0)}$ during OFF state as shown in figure (i) and carry current in both directions during $\text{ON}$ state as shown in figure (ii). Which of the following switch combination(s) will realize the same?
A semiconductor switch needs to block voltage $\text{V}$ of only one polarity $\text{(V>0)}$ duringOFF state as shown in figure (i) and carry current in both directions d...
admin
1.7k
points
admin
asked
May 20, 2023
new
gate2023-ee
+
–
0
votes
0
answers
747
GATE Electrical 2023 | Question: 30
An $8$-bit $\text{ADC}$ converts analog voltage in the range of $0$ to $+5 \mathrm{~V}$ to the corresponding digital code as per the conversion characteristics shown in figure. For $V_{\text {in }}=1.9922 \mathrm{~V}$, which of the following digital output, given in hex, is true? $64 \mathrm{H}$ $65 \mathrm{H}$ $66 \mathrm{H}$ $67 \mathrm{H}$
An $8$-bit $\text{ADC}$ converts analog voltage in the range of $0$ to $+5 \mathrm{~V}$ to the corresponding digital code as per the conversion characteristics shown in f...
admin
1.7k
points
admin
asked
May 20, 2023
new
gate2023-ee
+
–
0
votes
0
answers
748
GATE Electrical 2020 | Question: 41
A stable real linear time-invariant system with single pole at $\text{p}$, has a transfer function $H\left ( s \right )=\dfrac{s^{2}+100}{s-p}$ with a $\text{dc}$ gain of $5$. The smallest positive frequency, in $\text{rad/s}$, at unity gain is closest to: $8.84$ $11.08$ $78.13$ $122.87$
A stable real linear time-invariant system with single pole at $\text{p}$, has a transfer function $H\left ( s \right )=\dfrac{s^{2}+100}{s-p}$ with a $\text{dc}$ gain of...
go_editor
1.9k
points
go_editor
asked
Feb 28, 2020
new
gate2020-ee
+
–
0
votes
0
answers
749
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
+
–
0
votes
0
answers
750
GATE Electrical 2013 | Question: 57
In the summer of $2012,$ in New Delhi, the mean temperature of Monday to Wednesday was $41^{\circ}C$ and of Tuesday to Thursday was $43^{\circ}C$. If the temperature on Thursday was $15\%$ higher than that of Monday, then the temperature in $^{\circ}C$ on Thursday was $40$ $43$ $46$ $49$
In the summer of $2012,$ in New Delhi, the mean temperature of Monday to Wednesday was $41^{\circ}C$ and of Tuesday to Thursday was $43^{\circ}C$. If the temperature on T...
piyag476
1.5k
points
piyag476
asked
Feb 11, 2017
Quantitative Aptitude
gate2013-ee
numerical-ability
percentage
+
–
0
votes
0
answers
751
GATE Electrical 2013 | Question: 46
A function $y=5x^2+10x$ is defined over an open interval $x$ = $(1, 2)$ . At least at one point in this interval, $\dfrac{\mathrm{dy} }{\mathrm{d} x}$ is exactly $20$ $25$ $30$ $35$
A function $y=5x^2+10x$ is defined over an open interval $x$ = $(1, 2)$ . At least at one point in this interval, $\dfrac{\mathrm{dy} }{\mathrm{d} x}$ is exactly$20$$25$$...
piyag476
1.5k
points
piyag476
asked
Feb 11, 2017
Calculus
gate2013-ee
calculus
derivatives
+
–
0
votes
0
answers
752
GATE Electrical 2014 Set 3 | Question: 52
A hysteresis type $TTL$ inverter is used to realize an oscillator in the circuit shown in the figure. If the lower and upper trigger level voltages are $0.9$ $V$ and $1.7$ $V$, the period (in $ms$), for which output is $LOW$, is __________.
A hysteresis type $TTL$ inverter is used to realize an oscillator in the circuit shown in the figure.If the lower and upper trigger level voltages are $0.9$ $V$ and $1.7$...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analog and Digital Electronics
gate2014-ee-3
trigger-level
oscillator
numerical-answers
+
–
0
votes
0
answers
753
GATE Electrical 2014 Set 3 | Question: 6
The line $A$ to neutral voltage is $10\angle 15^\circ$ for a balanced three phase star-connected load with phase sequence $ABC$. The voltage of line $B$ with respect to line $C$ is given by $10\sqrt{3}\angle 105^\circ$ $10\angle 105^\circ$ $10\sqrt{3}\angle -75^\circ$ $-10\sqrt{3}\angle 90^\circ$
The line $A$ to neutral voltage is $10\angle 15^\circ$ for a balanced three phase star-connected load with phase sequence $ABC$. The voltage of line $B$ with respect to ...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2014-ee-3
balanced-three-phase-line
sequence-networks
+
–
0
votes
0
answers
754
GATE Electrical 2014 Set 2 | Question: 54
A single-phase $SCR$ based $ac$ regulator is feeding power to a load consisting of $5 \Omega$ resistance and $16 \: mH$ inductance. The input supply is $230 \: V$, $50 \: Hz$ ac. The maximum firing angle at which the voltage across the device becomes zero all throughout and ... $30^\circ$ and $23 \: A$ $45^\circ$ and $23 \: A$ $45^\circ$ and $32 \: A$
A single-phase $SCR$ based $ac$ regulator is feeding power to a load consisting of $5 \Omega$ resistance and $16 \: mH$ inductance. The input supply is $230 \: V$, $50 \:...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electrical and Electronic Measurements
gate2014-ee-2
thyristor
firing-angle
+
–
0
votes
0
answers
755
GATE Electrical 2015 Set 2 | Question: 25
Nyquist plots of two functions $G_{1}(s)$ and $G_{2}(s)$ are shown in figure. Nyquist plot of the product of $G_{1}(s)$ and $G_{2}(s)$ is
Nyquist plots of two functions $G_{1}(s)$ and $G_{2}(s)$ are shown in figure.Nyquist plot of the product of $G_{1}(s)$ and $G_{2}(s)$ is
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Control Systems
gate2015-ee-2
stability
real-roots
imaginary-roots
+
–
0
votes
0
answers
756
GATE Electrical 2016 Set 2 | Question: 5
Suppose the maximum frequency in a band-limited signal $x(t)$ is $5 kHz$. Then, the maximum frequency in $x(t)\cos(2000\pi t)$, in $kHz$, is ________.
Suppose the maximum frequency in a band-limited signal $x(t)$ is $5 kHz$. Then, the maximum frequency in $x(t)\cos(2000\pi t)$, in $kHz$, is ________.
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Signals and Systems
gate2016-ee-2
high-pass-filter
low-pass-filter
continuous-time-signal
numerical-answers
+
–
0
votes
0
answers
757
GATE Electrical 2023 | Question: 36
Consider the state-space description of an $\text{LTI}$ ... for which the steady-state output of the system will be zero, is ________(Round off to the nearest integer).
Consider the state-space description of an $\text{LTI}$ system with matrices$\qquad A=\left[\begin{array}{cc}0 & 1 \\-1 & -2\end{array}\right], B=\left[\begin{array}{l}0 ...
admin
1.7k
points
admin
asked
May 20, 2023
new
gate2023-ee
+
–
0
votes
0
answers
758
GATE Electrical 2022 | Question: 54
A star-connected $3$-phase, $400\; V$, $50$ $\text{ kVA}$, $50\; Hz$ synchronous motor has a synchronous reactance of $1$ $\text{ohm}$ per phase with negligible armature resistance. The shaft load on the motor is $10$ $\text{kW}$ ... $2\:kW$. The magnitude of the per phase excitation emf of the motor, in volts, is ______________. (round off to nearest integer).
A star-connected $3$-phase, $400\; V$, $50$ $\text{ kVA}$, $50\; Hz$ synchronous motor has a synchronous reactance of $1$ $\text{ohm}$ per phase with negligible armature ...
Arjun
15.9k
points
Arjun
asked
Feb 15, 2022
new
gate2022-ee
numerical-answers
+
–
0
votes
0
answers
759
GATE Electrical 2019 | Question: 38
The line currents of a three-phase four wire system are square waves with amplitude of $100$ A. These three currents are phase shifted by $120^{\circ}$ with respect to each other. The rms value of neutral current is $0$ A $\frac{100}{\sqrt{3}}$ A $100$ A $300$ A
The line currents of a three-phase four wire system are square waves with amplitude of $100$ A. These three currents are phase shifted by $120^{\circ}$ with respect to ea...
Arjun
15.9k
points
Arjun
asked
Feb 12, 2019
new
gate2019-ee
+
–
0
votes
0
answers
760
GATE Electrical 2012 | Question: 36
A $220$ V, $15$ kW, $1000$ rpm shunt motor with armature resistance of $0.25 \: \Omega$, has a rated line current of $68$ A and a rated field current of $2.2$ A. The change on field flux required to obtain a speed of $1600$ rpm while drawing a line ... a field current of $1.8$ A is $18.18 \%$ increase $18.18 \%$ decrease $36.36 \%$ increase $36.36 \%$ decrease
A $220$ V, $15$ kW, $1000$ rpm shunt motor with armature resistance of $0.25 \: \Omega$, has a rated line current of $68$ A and a rated field current of $2.2$ A. The chan...
Andrijana3306
1.4k
points
Andrijana3306
asked
Mar 23, 2018
new
gate2012-ee
+
–
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