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921
GATE Electrical 2015 Set 2 | Question: 4
The Laplace transform of $f(t)= 2\sqrt{t/\pi}$ is $s^{-3/2}$. The Laplace transform of $g(t)=\sqrt{1/\pi t}$ is. $3s^{-5/2} /2$ $s^{-1/2}$ $s^{1/2}$ $s^{3/2}$
The Laplace transform of $f(t)= 2\sqrt{t/\pi}$ is $s^{-3/2}$. The Laplace transform of $g(t)=\sqrt{1/\pi t}$ is.$3s^{-5/2} /2$$s^{-1/2}$$s^{1/2}$$s^{3/2}$
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Transform Theory
gate2015-ee-2
transform-theory
laplace-transform
+
–
0
votes
0
answers
922
GATE Electrical 2015 Set 2 | Question: 5
Match the following: ... $P-1; Q-3; R-1; S-2$ $P-1; Q-2; R-3; S-3$ $P-3; Q-1; R-2; S-1$
Match the following:$\begin{array}{|l|l|l|l|} \hline & \textbf{Instrument Type} & & \textbf{Used for} \\ \hline P. & \text{Permanent magnet moving coil} & 1. & \text{DC...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electrical Machines
gate2015-ee-2
instrumentation
electric-machines
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–
0
votes
0
answers
923
GATE Electrical 2015 Set 2 | Question: 6
A $3$-phase balanced load which has a power factor of $0.707$ is connected to a balanced supply. The power consumed by the load is $5$ kW. The power is measured by the two-wattmeter method. The readings of the two wattmeters are $3.94$ kW and $1.06$ kW $2.50$ kW and $2.50$ kW $5.00$ kW and $0.00$ kW $2.96$ kW and $2.04$ kW
A $3$-phase balanced load which has a power factor of $0.707$ is connected to a balanced supply. The power consumed by the load is $5$ kW. The power is measured by the tw...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2015-ee-2
balanced-operation
power-measurement
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0
votes
0
answers
924
GATE Electrical 2015 Set 2 | Question: 7
A capacitive voltage divider is used to measure the bus voltage $V_{\text{bus}}$ in a high-voltage $50$ Hz AC system as shown in the figure. The measurement capacitors $C_{1}$ and $C_{2}$ have tolerances of $\pm 10\%$ on their nominal ... $V_{\text{out}}$ (in $kV$), considering the capacitor tolerances, is _______.
A capacitive voltage divider is used to measure the bus voltage $V_{\text{bus}}$ in a high-voltage $50$ Hz AC system as shown in the figure. The measurement capacitors $C...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electric Circuits
gate2015-ee-2
capacitive-voltage-divider
tolerance
numerical-answers
+
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0
votes
0
answers
925
GATE Electrical 2015 Set 2 | Question: 8
In the following circuit, the input voltage $V_{in}$ is $100 \sin(100 \pi t)$. For $100 \pi RC = 50$, the average voltage across $R$ (in Volts) under steady-state is nearest to $100$ $31.8$ $200$ $63.6$
In the following circuit, the input voltage $V_{in}$ is $100 \sin(100 \pi t)$. For $100 \pi RC = 50$, the average voltage across $R$ (in Volts) under steady-state is near...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analog and Digital Electronics
gate2015-ee-2
steady-state-operation
diodes
+
–
0
votes
0
answers
926
GATE Electrical 2015 Set 2 | Question: 9
Two semi-infinite dielectric regions are separated by a plane boundary at $y = 0$. The dielectric constants of region $1 (y < 0)$ and region $2 (y > 0)$ are $2$ and $5$, respectively. Region $1$ ... $3\hat{a}_{x}+10\hat{a}_{y}+0.8\hat{a}_{z}$
Two semi-infinite dielectric regions are separated by a plane boundary at $y = 0$. The dielectric constants of region $1 (y < 0)$ and region $2 (y 0)$ are $2$ and $5$, r...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
new
gate2015-ee-2
electric-field
dielectric-constant
+
–
0
votes
0
answers
927
GATE Electrical 2015 Set 2 | Question: 10
A circular turn of radius $1$ m revolves at $60$ rpm about its diameter aligned with the $x$-axis as shown in the figure. The value of $\mu_{0}$ is $4\pi \times 10^{-7}$ ... $V_{\text{turn}}$ ( in Volts), is _________.
A circular turn of radius $1$ m revolves at $60$ rpm about its diameter aligned with the $x$-axis as shown in the figure. The value of $\mu_{0}$ is $4\pi \times 10^{-7}$ ...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electromagnetic Fields
gate2015-ee-2
magnetic-field-intensity
electromagnetism
electromagnetic-theory
numerical-answers
+
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0
votes
0
answers
928
GATE Electrical 2015 Set 2 | Question: 11
The operational amplifier shown in the figure is ideal. The input voltage (in Volt) is $V_{i} = 2 \sin(2\pi \times 2000t)$. The amplitude of the output voltage $V_{o}$ (in Volt) is ________.
The operational amplifier shown in the figure is ideal. The input voltage (in Volt) is $V_{i} = 2 \sin(2\pi \times 2000t)$. The amplitude of the output voltage $V_{o}$ (i...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Control Systems
gate2015-ee-2
operational-amplifier
pid-controller
numerical-answers
+
–
0
votes
0
answers
929
GATE Electrical 2015 Set 2 | Question: 12
In the following circuit, the transistor is in active mode and $V_{C} = 2 V$. To get $V_{C} = 4 V$, we replace $R_{C}$ with $R′_{C}$. Then the ratio $R'_{C}$/ $R_{C}$ is _________.
In the following circuit, the transistor is in active mode and $V_{C} = 2 V$. To get $V_{C} = 4 V$, we replace $R_{C}$ with $R′_{C}$. Then the ratio $R'_{C}$/ $R_{C}$ i...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analog and Digital Electronics
gate2015-ee-2
amplifying-transister
commom-emitter
numerical-answers
+
–
0
votes
0
answers
930
GATE Electrical 2015 Set 2 | Question: 13
Consider the following Sum of Products expression, $F$. $F= ABC + \overline{A} \: \: \overline{B}C + A\overline{B}C + \overline{A}BC + \overline{A} \: \overline{B} \: \overline{C}$ ... $F= (\overline{A}+\overline{B}+C) (A+B+\overline{C}) (A+B+C)$
Consider the following Sum of Products expression, $F$.$F= ABC + \overline{A} \: \: \overline{B}C + A\overline{B}C + \overline{A}BC + \overline{A} \: \overline{B} \: \ove...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analog and Digital Electronics
gate2015-ee-2
not-gate
sum-op-products
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0
votes
0
answers
931
GATE Electrical 2015 Set 2 | Question: 14
The filters $F1$ and $F2$ having characteristics as shown in Figures $(a)$ and $(b)$ are connected as shown in Figure $(c)$. The cut-off frequencies of $F1$ and $F2$ are $f_{1}$ and $f_{2}$ respectively. If $f_{1} < f_{2}$, the resultant circuit exhibits the characteristic of a Band-pass filter Band-stop filter All pass filter High-Q filter
The filters $F1$ and $F2$ having characteristics as shown in Figures $(a)$ and $(b)$ are connected as shown in Figure $(c)$.The cut-off frequencies of $F1$ and $F2$ are $...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analog and Digital Electronics
gate2015-ee-2
operational-amplifier
voltage-divider
+
–
0
votes
0
answers
932
GATE Electrical 2015 Set 2 | Question: 1
Given $f(z) = g(z) + h(z)$, where $f, g, h$ are complex valued functions of a complex variable $z$. Which one of the following statements is TRUE? If $f(z)$ is differentiable at $z_{0}$, then $g(z)$ and $h(z)$ are also differentiable ... $z_{0}$. If $f(z)$ is differentiable at $z_{0}$, then so are its real and imaginary parts
Given $f(z) = g(z) + h(z)$, where $f, g, h$ are complex valued functions of a complex variable $z$. Which one of the following statements is TRUE?If $f(z)$ is differentia...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Complex Variables
gate2015-ee-2
complex-variables
complex-valued-functions
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–
0
votes
0
answers
933
GATE Electrical 2015 Set 2 | Question: 2
We have a set of $3$ linear equations in $3$ unknowns. $'X \equiv Y'$ means $X$ and $Y$ are equivalent statements and $'X \not\equiv Y'$ means $X$ and $Y$ are not equivalent statements. P: There is a unique solution. Q: The equations ... $P \equiv Q \not\equiv R \equiv S$ $P\not\equiv Q \not\equiv R \not\equiv S$
We have a set of $3$ linear equations in $3$ unknowns. $'X \equiv Y'$ means $X$ and $Y$ are equivalent statements and $'X \not\equiv Y'$ means $X$ and $Y$ are not equiva...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Linear Algebra
gate2015-ee-2
linear-algebra
system-of-linear-equations
eigen-values
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–
0
votes
1
answer
934
GATE Electrical 2015 Set 2 | GA Question: 3
A generic term that includes various items of clothing such as a skirt, a pair of trousers and a shirt is Fabric Textile Fibre Apparel
A generic term that includes various items of clothing such as a skirt, a pair of trousers and a shirt isFabricTextileFibreApparel
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Verbal Aptitude
gate2015-ee-2
verbal-ability
word-pairs
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–
0
votes
0
answers
935
GATE Electrical 2015 Set 2 | GA Question: 4
Based on the given statement, select the most appropriate option to solve the given question. What will be the total weight of $10$ poles each of same weight? Statements: One fourth of the weight of a pole is $5$ Kg. The total weight of ... is not sufficient. Either $I$ or $II$ alone is sufficient. Both statements $I$ and $II$ together are not sufficient.
Based on the given statement, select the most appropriate option to solve the given question.What will be the total weight of $10$ poles each of same weight?Statements:On...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analytical Aptitude
gate2015-ee-2
analytical-aptitude
logical-reasoning
statements-follow
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–
0
votes
0
answers
936
GATE Electrical 2015 Set 2 | GA Question: 5
Consider a function $f(x) = 1 - |x|$ on $-1 \leq x \leq 1$. The value of $x$ at which the function attains a maximum, and the minimum value of the function are: $0, -1$ $-1, 0$ $0, 1$ $-1, 2$
Consider a function $f(x) = 1 - |x|$ on $-1 \leq x \leq 1$. The value of $x$ at which the function attains a maximum, and the minimum value of the function are:$0, -1$$-1...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Quantitative Aptitude
gate2015-ee-2
numerical-ability
absolute-value
+
–
0
votes
0
answers
937
GATE Electrical 2015 Set 2 | GA Question: 6
Out of the following four sentences, select the most suitable sentence with respect to grammar and usage: Since the report lacked needed information, it was of no use to them. The report was useless to them because there were no needed ... it was not real useful to them. Since the report lacked needed information, it would not had been useful to them
Out of the following four sentences, select the most suitable sentence with respect to grammar and usage:Since the report lacked needed information, it was of no use to t...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Verbal Aptitude
gate2015-ee-2
verbal-ability
english-grammar
+
–
0
votes
0
answers
938
GATE Electrical 2015 Set 2 | GA Question: 7
In a triangle $PQR$, $PS$ is the angle bisector of $\angle QPR$ and $\angle QPS =60^\circ$. What is the length of $PS$ ? $\dfrac{(q+r)}{qr} \\$ $\dfrac{qr}{(q+r)} \\$ $\sqrt{(q^{2}+r^{2})} \\$ $\dfrac{(q+r)^{2}}{qr}$
In a triangle $PQR$, $PS$ is the angle bisector of $\angle QPR$ and $\angle QPS =60^\circ$. What is the length of $PS$ ?$\dfrac{(q+r)}{qr} \\$$\dfrac{qr}{(q+r)} \\$$\sqrt...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Quantitative Aptitude
gate2015-ee-2
numerical-ability
geometry
triangles
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–
0
votes
0
answers
939
GATE Electrical 2015 Set 2 | GA Question: 8
If $p, q, r, s$ are distinct integers such that: $f(p, q, r, s) = \max (p, q, r, s)$ $g(p, q, r, s) = \min (p, q, r, s)$ $h(p, q, r, s)$ = remainder of $(p \times q) / (r \times s)$ ... Also the same operations are valid with two variable functions of the form $f(p, q)$. What is the value of $fg (h (2, 5, 7, 3), 4, 6, 8)$ ?
If $p, q, r, s$ are distinct integers such that:$f(p, q, r, s) = \max (p, q, r, s)$$g(p, q, r, s) = \min (p, q, r, s)$$h(p, q, r, s)$ = remainder of $(p \times q) / (r \t...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Quantitative Aptitude
gate2015-ee-2
numerical-ability
number-system
numerical-answers
+
–
0
votes
0
answers
940
GATE Electrical 2015 Set 2 | GA Question: 9
If the list of letters, $P, R, S, T, U$ is an arithmetic sequence, which of the following are also in arithmetic sequence? $2P, 2R, 2S, 2T, 2U$ $P-3, R-3, S-3, T-3, U-3$ $P^{2}, R^{2}, S^{2}, T^{2}, U^{2}$ $I$ only $I$ and $II$ $II$ and $III$ $I$ and $III$
If the list of letters, $P, R, S, T, U$ is an arithmetic sequence, which of the following are also in arithmetic sequence?$2P, 2R, 2S, 2T, 2U$$P-3, R-3, S-3, T-3, U-3$$P^...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analytical Aptitude
gate2015-ee-2
analytical-aptitude
logical-reasoning
sequence-series
+
–
0
votes
0
answers
941
GATE Electrical 2015 Set 2 | GA Question: 10
Four branches of a company are located at $M, N, O$ and $P, M$ is north of $N$ at a distance of $4$ km; $P$ is south of $O$ at a distance of $2$ km; $N$ is southeast of $O$ by $1$ km. What is the distance between $M$ and $P$ in km? $5.34$ $6.74$ $28.5$ $45.49$
Four branches of a company are located at $M, N, O$ and $P, M$ is north of $N$ at a distance of $4$ km; $P$ is south of $O$ at a distance of $2$ km; $N$ is southeast of $...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analytical Aptitude
gate2015-ee-2
analytical-aptitude
direction-sense
+
–
0
votes
0
answers
942
GATE Electrical 2015 Set 2 | GA Question: 1
We _________ our friend's birthday and we ________ how to make it up to him. Completely forgot -- don't just know Forgot completely -- don't just know Completely forgot -- just don't know Forgot completely -- just don't know
We _________ our friend's birthday and we ________ how to make it up to him.Completely forgot don't just knowForgot completely don't just knowCompletely forgot just...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Verbal Aptitude
gate2015-ee-2
verbal-ability
vocabulary
+
–
0
votes
0
answers
943
GATE Electrical 2015 Set 2 | GA Question: 2
Choose the statement where underlined word is used correctly. The industrialist had a personnel jet. I write my experience in my personnel diary. All personnel are being given the day off. Being religious is a personnel aspect.
Choose the statement where underlined word is used correctly.The industrialist had a personnel jet.I write my experience in my personnel diary.All personnel are being giv...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Verbal Aptitude
gate2015-ee-2
verbal-ability
word-meaning
+
–
0
votes
0
answers
944
GATE Electrical 2015 Set 1 | Question: 54
Find the transfer function $\dfrac{Y(s)}{X(s)}$ of the system given below $\dfrac{G_{1}}{1-HG_{1}} + \dfrac{G_{2}}{1-HG_{2}} \\$ $\dfrac{G_{1}}{1+HG_{1}} + \dfrac{G_{2}}{1+HG_{2}} \\$ $\dfrac{G_{1}+G_{2}}{1+H (G_{1}+G_{2})} \\$ $\dfrac{G_{1}+G_{2}}{1-H (G_{1}+G_{2})}$
Find the transfer function $\dfrac{Y(s)}{X(s)}$ of the system given below$\dfrac{G_{1}}{1-HG_{1}} + \dfrac{G_{2}}{1-HG_{2}} \\$$\dfrac{G_{1}}{1+HG_{1}} + \dfrac{G_{2}}{1+...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2015-ee-1
power-systems
transfer-function
feedback-system
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–
0
votes
0
answers
945
GATE Electrical 2015 Set 1 | Question: 55
The open loop poles of a third order unity feedback system are at $0, −1, −2$. Let the frequency corresponding to the point where the root locus of the system transits to unstable region be $K$. Now suppose we introduce a zero in ... a frequency less than $K$ It corresponds to a frequency $K$ Root locus of modified system never transits to unstable region
The open loop poles of a third order unity feedback system are at $0, −1, −2$. Let the frequency corresponding to the point where the root locus of the system transit...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Control Systems
gate2015-ee-1
root-locus
unity-feedback-system
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–
0
votes
0
answers
946
GATE Electrical 2015 Set 1 | Question: 42
Determine the correctness or otherwise of the following Assertion $[a]$ and the Reason $[r]$ ... $[a]$ and $[r]$ are false. $[a]$ is false and $[r]$ is true.
Determine the correctness or otherwise of the following Assertion $[a]$ and the Reason $[r]$.Assertion: Fast decoupled load flow method gives approximate load flow soluti...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2015-ee-1
power-flows
line-losses
+
–
0
votes
0
answers
947
GATE Electrical 2015 Set 1 | Question: 43
A $50 \text{ Hz}$ generating unit has H-constant of $2 \text{ MJ/MVA}$. The machine is initially operating in steady state at synchronous speed, and producing $1 \:pu$ of real power. The initial value of the rotor angle $\delta$ ... power to remain at $1 \: pu$, the value of $\delta$ in degrees, $0.02$ second after the fault is _________.
A $50 \text{ Hz}$ generating unit has H-constant of $2 \text{ MJ/MVA}$. The machine is initially operating in steady state at synchronous speed, and producing $1 \:pu$ of...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2015-ee-1
short-circuit-fault
synchronous-speed
numerical-answers
+
–
0
votes
0
answers
948
GATE Electrical 2015 Set 1 | Question: 44
A sustained three-phase fault occurs in the power system shown in the figure. The current and voltage phasors during the fault (on a common reference), after the natural transients have died down, are also shown. Where is the fault located? Location $P$ Location $Q$ Location $R$ Location $S$
A sustained three-phase fault occurs in the power system shown in the figure. The current and voltage phasors during the fault (on a common reference), after the natural ...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2015-ee-1
single-line-diagram
fault-analysis
+
–
0
votes
0
answers
949
GATE Electrical 2015 Set 1 | Question: 45
The circuit shown in the figure has two sources connected in series. The instantaneous voltage of the $AC$ source (in Volt) is given by $v(t) = 12 \sin t$. If the circuit is in steady state, then the rms value of the current (in Ampere) flowing in the circuit is ________.
The circuit shown in the figure has two sources connected in series. The instantaneous voltage of the $AC$ source (in Volt) is given by $v(t) = 12 \sin t$. If the circuit...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electric Circuits
gate2015-ee-1
series-connection
steady
state
numerical-answers
+
–
0
votes
0
answers
950
GATE Electrical 2015 Set 1 | Question: 46
In a linear two-port network, when $10$ V is applied to Port $1$, a current of $4$ A flows through Port $2$ when it is short-circuited. When $5$ V is applied to Port $1$, a current of $1.25$ A flows through a $1 \Omega$ ... When $3$ V is applied to Port $1$, the current (in Ampere) through a $2 \Omega$ resistance connected across Port $2$ is ________.
In a linear two-port network, when $10$ V is applied to Port $1$, a current of $4$ A flows through Port $2$ when it is short-circuited. When $5$ V is applied to Port $1$,...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electric Circuits
gate2015-ee-1
network
nodal-analysis
numerical-answers
+
–
0
votes
0
answers
951
GATE Electrical 2015 Set 1 | Question: 47
In the given circuit, the parameter $k$ is positive, and the power dissipated in the $2 \Omega$ resistor is $12.5$W. The value of $k$ is _________.
In the given circuit, the parameter $k$ is positive, and the power dissipated in the $2 \Omega$ resistor is $12.5$W. The value of $k$ is _________.
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electric Circuits
gate2015-ee-1
dependent-sources
nodal-analysis
numerical-answers
+
–
0
votes
0
answers
952
GATE Electrical 2015 Set 1 | Question: 48
A separately excited $DC$ motor runs at $1000$ rpm on no load when its armature terminals are connected to a $200$ ... , the speed rises to $520$ rpm. Neglecting the rotational losses, the full load armature current (in Ampere) is ____________.
A separately excited $DC$ motor runs at $1000$ rpm on no load when its armature terminals are connected to a $200$V DC source and the rated voltage is applied to the fiel...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electrical Machines
gate2015-ee-1
separately-excited
no-load-armature-current
numerical-answers
+
–
0
votes
0
answers
953
GATE Electrical 2015 Set 1 | Question: 49
A DC motor has the following specifications: $10$ hp, $37.5$ A, $230$ V; flux/pole $= 0.01$ Wb, number of poles $= 4$, number of conductors $= 666$, number of parallel paths $= 2$. Armature resistance$ = 0.267 \Omega$. The ... The motor operates from a $230$ V DC supply. If the motor runs at $1000$ rpm, the output torque produced (in Nm) is ________.
A DC motor has the following specifications: $10$ hp, $37.5$ A, $230$ V; flux/pole $= 0.01$ Wb, number of poles $= 4$, number of conductors $= 666$, number of parallel pa...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electrical Machines
gate2015-ee-1
armature-resistance
output-torque
number-of-parallel-paths
numerical-answers
+
–
0
votes
0
answers
954
GATE Electrical 2015 Set 1 | Question: 50
A $200/400$ V, $50$ Hz, two-winding transformer is rated at $20$ kVA. Its windings are connected as an auto-transformer of rating $200/600$ V. A resistive load of $12 \Omega$ is connected to the high voltage ($600$ V) side of the auto-transformer. The value of equivalent load resistance (in Ohm) as seen from low voltage side is _________.
A $200/400$ V, $50$ Hz, two-winding transformer is rated at $20$ kVA. Its windings are connected as an auto-transformer of rating $200/600$ V. A resistive load of $12 \Om...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electric Circuits
gate2015-ee-1
electrical-circuits
two-winding
transformer
auto-transformer
numerical-answers
+
–
0
votes
0
answers
955
GATE Electrical 2015 Set 1 | Question: 51
Two single-phase transformers $T_{1}$ and $T_{2}$ each rated at $500$ kVA are operated in parallel. Percentage impedances of $T_{1}$ and $T_{2}$ are $(1 + j6)$ and $(0.8 + j4.8)$, respectively. To share a load of $1000$ kVA at $0.8$ lagging power factor, the contribution of $T_{2}$ (in kVA) is _______.
Two single-phase transformers $T_{1}$ and $T_{2}$ each rated at $500$ kVA are operated in parallel. Percentage impedances of $T_{1}$ and $T_{2}$ are $(1 + j6)$ and $(0.8 ...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2015-ee-1
lagging-power-factor
single-phase-transformers
numerical-answers
+
–
0
votes
0
answers
956
GATE Electrical 2015 Set 1 | Question: 52
In the signal flow diagram given in the figure, $u_{1}$ and $u_{2}$ are possible inputs whereas $y_{1}$ and $y_{2}$ are possible outputs. When would the SISO system derived from this diagram be controllable and observable? When $u_{1}$ is the only input ... input and $y_{2}$ is the only output. When $u_{2}$ is the only input and $y_{2}$ is the only output.
In the signal flow diagram given in the figure, $u_{1}$ and $u_{2}$ are possible inputs whereas $y_{1}$ and $y_{2}$ are possible outputs. When would the SISO system deriv...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Control Systems
gate2015-ee-1
flow-diagram
transfer-function
+
–
0
votes
0
answers
957
GATE Electrical 2015 Set 1 | Question: 53
The transfer function of a second order real system with a perfectly flat magnitude response of unity has a pole at $(2 − j3)$. List all the poles and zeroes. Poles at $(2 \pm j3)$, no zeroes. Poles at $(\pm 2 − j3)$, one zero at origin. Poles at $(2 − j3)$, $(−2 + j3)$, zeroes at $(−2 − j3)$, $(2 + j3)$. Poles at $(2 \pm j3)$, zeroes at $(−2 \pm j3)$.
The transfer function of a second order real system with a perfectly flat magnitude response of unity has a pole at $(2 − j3)$. List all the poles and zeroes.Poles at $...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Control Systems
gate2015-ee-1
second-order-real-system
poles
zeroes
+
–
0
votes
0
answers
958
GATE Electrical 2015 Set 1 | Question: 31
The circuit shown is meant to supply a resistive load $R_{L}$ from two separate $DC$ voltage sources. The switches $S1$ and $S2$ are controlled so that only one of them is $ON$ at any instant. $S1$ is turned on for $0.2 ms$ ... inductor current and negligible ripple on the capacitor voltage, the output voltage $V_{0}$ (in Volt) across $R_{L}$ is _______.
The circuit shown is meant to supply a resistive load $R_{L}$ from two separate $DC$ voltage sources. The switches $S1$ and $S2$ are controlled so that only one of them i...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electric Circuits
gate2015-ee-1
ripple-voltages
time-period
numerical-answers
+
–
0
votes
0
answers
959
GATE Electrical 2015 Set 1 | Question: 32
A self commutating switch $SW$, operated at duty cycle $\delta$ is used to control the load voltage as shown in the figure Under steady state operating conditions, the average voltage across the inductor and the capacitor respectively, are $V_{L}=0$ ... $V_{L}=\dfrac{\delta}{2}V_{dc}$ and $V_{c}=\dfrac{\delta}{1-\delta} V_{dc}$
A self commutating switch $SW$, operated at duty cycle $\delta$ is used to control the load voltage as shown in the figureUnder steady state operating conditions, the ave...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analog and Digital Electronics
gate2015-ee-1
duty-cycle
self-commutating-switch
+
–
0
votes
0
answers
960
GATE Electrical 2015 Set 1 | Question: 33
The single-phase full-bridge voltage source inverter (VSI), shown in figure, has an output frequency of $50 \: \text{ Hz}$. It uses unipolar pulse width modulation with switching frequency of $50$ kHz and modulation index of $0.7$. ... the amplitude of the fundamental component in the output voltage $V_{\text{o}}$ (in Volt) under steady-state is ________.
The single-phase full-bridge voltage source inverter (VSI), shown in figure, has an output frequency of $50 \: \text{ Hz}$. It uses unipolar pulse width modulation with s...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analog and Digital Electronics
gate2015-ee-1
modulation-index
pulse-width-modulation
numerical-answers
+
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