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1
GATE201517
Of the four characteristics given below, which are the major requirements for an instrumentation amplifier? P. High common mode rejection ratio Q. High input impedance R. High linearity S. High output impedance P, Q and R only P and R only P, Q and S only Q, R and S only
asked
Feb 12, 2017
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Electrical Circuits
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makhdoom ghaya
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gate2015ee1
amplifier
bjts
0
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0
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2
GATE201518
In the following chopper, the duty ratio of switch $S$ is $0.4$. If the inductor and capacitor are sufficiently large to ensure continuous inductor current and ripple free capacitor voltage, the charging current (in Ampere) of the $5 V$ battery, under steadystate, is _______.
asked
Feb 12, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
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gate2015ee1
chopper
steadystate
numericalanswers
0
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0
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3
GATE201519
A moving average function is given by $y(t) = \frac{1}{T}\int_{tT}^{t} u(\tau ) d \tau$. If the input $u$ is a sinusoidal signal of frequency $\frac{1}{2T}Hz$ then in steady state, the output $y$ will lag $u$ (in degree) by ______ .
asked
Feb 12, 2017
in
Signals and Systems
by
makhdoom ghaya
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9.3k
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gate2015ee1
steadystate
sinusoidalsignal
numericalanswers
0
votes
0
answers
4
GATE2015110
The impulse response $g(t)$ of a system, $G$, is as shown in Figure $(a)$. What is the maximum value attained by the impulse response of two cascaded blocks of $G$ as shown in Figure $(b)$? $\frac{2}{3}$ $\frac{3}{4}$ $\frac{4}{5}$ $1$
asked
Feb 12, 2017
in
Control Systems
by
makhdoom ghaya
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9.3k
points)
gate2015ee1
impulseresponse
cascadedblocks
0
votes
0
answers
5
GATE2015111
Consider a oneturn rectangular loop of wire placed in a uniform magnetic field as shown in the figure. The plane of the loop is perpendicular to the field lines. The resistance of the loop is $0.4\Omega$, and its inductance is negligible. The magnetic flux ... $\omega= 2\pi \times 50$ radian/second. The power absorbed (in Watt) by the loop from the magnetic field is _________.
asked
Feb 12, 2017
in
Electromagnetic Fields
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
magneticfluxdensity
fieldlines
numericalanswers
0
votes
0
answers
6
GATE2015112
A steady current $I$ is flowing in the $x$ direction through each of two infinitely long wires at $y = ± \frac{L}{2}$ as shown in the figure. The permeability of the medium is $\mu_{0}$. The $\vec{B}$field at $(0,L,0)$ is $\frac{4\mu _{0}I}{3\Pi L} \hat{Z}$ $+\frac{4\mu _{0}I}{3\Pi L} \hat{Z}$ $0$ $\frac{3\mu _{0}I}{4\Pi L} \hat{Z}$
asked
Feb 12, 2017
in
Power Systems
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
permeability
steadycurrent
0
votes
0
answers
7
GATE2015113
Consider the circuit shown in the figure. In this circuit $R=1 k\Omega$, and $C=1 \mu F$. The input voltage is sinusoidal with a frequency of $50$ Hz, represented as a phasor with magnitude $V_{i}$ and phase angle $0$ radian as shown in the figure. The output voltage is ... $0$ $\pi$ $\frac{\pi}{2}$ $\frac{\pi}{2}$
asked
Feb 12, 2017
in
Control Systems
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
operationalamplifier
feedbacksystem
0
votes
0
answers
8
GATE2015114
In the given circuit, the silicon transistor has $\beta = 75$ and a collector voltage $V_{C} = 9V$. Then the ratio of $R_{B}$ and $R_{C}$ is _________.
asked
Feb 12, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
silicontransistor
activemode
numericalanswers
0
votes
0
answers
9
GATE2015115
In the $4 \times 1$ multiplexer, the output $F$ is given by $F = A \bigoplus B$. Find the required input $'I_{3}, I_{2}, I_{1}, I_{0}'$. $1010$ $0110$ $1000$ $1110$
asked
Feb 12, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
multiplexer
booleanalgebra
0
votes
0
answers
10
GATE2015116
Consider a HVDC link which uses thyristor based linecommutated converters as shown in the figure. For a power flow of $750$ MW from System $1$ to System $2$, the voltages at the two ends, and the current, are given by: $V_{1} = 500 kV, V_{2} = 485 kV$ and $I = 1.5 kA$. If the direction ... $I= −1.5 kA$ $V_{1} = −500 kV, V_{2} = −485 kV$ and $I = −1.5 kA$
asked
Feb 12, 2017
in
Power Systems
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
hvdclines
powerflowanalysis
0
votes
0
answers
11
GATE2015117
Base load power plants are P: wind farms. Q: runofriver plants. R: nuclear power plants. S: diesel power plants. P, Q and S only P, R and S only P, Q and R only Q and R only
asked
Feb 12, 2017
in
Power Systems
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
powerplants
powergeneration
0
votes
0
answers
12
GATE2015118
The voltages developed across the $3 \Omega$ and $2 \Omega$ resistors shown in the figure are $6 V$ and $2 V$ respectively, with the polarity as marked. What is the power (in Watt) delivered by the $5 V$ voltage source? $5$ $7$ $10$ $14$
asked
Feb 12, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
voltagesource
polarity
0
votes
0
answers
13
GATE201511
A random variable $X$ has probability density function $f(x)$ as given below: $ f(x)= \begin{cases} a+bx & \text{ for } 0 < x < 1 \\ 0 & \text{otherwise} \end{cases}$ If the expected value $E[x] = 2/3$, then $Pr[x < 0.5]$ is __________.
asked
Feb 12, 2017
in
Probability & Statistics
by
makhdoom ghaya
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9.3k
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gate2015ee1
randomvariable
probabilitydensityfunction
numericalanswers
0
votes
0
answers
14
GATE201512
If a continuous function $f(x)$ does not have a root in the interval $[a, b]$, then which one of the following statements is TRUE? $f(a) . f(b)=0$ $f(a) . f(b) < 0$ $f(a) . f(b) > 0$ $f(a) / f(b) \leq 0$
asked
Feb 12, 2017
in
Calculus
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
continuousfunction
roots
interval
0
votes
0
answers
15
GATE201513
If the sum of the diagonal elements of a $2 \times 2$ matrix is $6$, then the maximum possible value of determinant of the matrix is ________
asked
Feb 12, 2017
in
Calculus
by
makhdoom ghaya
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9.3k
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gate2015ee1
diagonalelements
determinant
matrix
numericalanswers
0
votes
0
answers
16
GATE201514
Consider a function $\vec{f}=\frac{1}{r^{2}} \hat{r}$ where $r$ is the distance from the origin and $\hat{r}$ is the unit vector in the radial direction. The divergence of this function over a sphere of radius $R$, which includes the origin, is $0$ $2 \pi$ $4 \pi$ $R \pi$
asked
Feb 12, 2017
in
Electromagnetic Fields
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
unitvector
radialdirection
divergence
0
votes
0
answers
17
GATE201515
When the Wheatstone bridge shown in the figure is used to find the value of resistor $R_{X}$, the galvanometer $G$ indicates zero current when $R_{1}=50\Omega, R_{2}=65\Omega$ and $R_{3}=100\Omega$. If $R_{3}$ is known with $ 5$% tolerance on its nominal value of $100 \Omega$ , ... range of $R_{X}$ in Ohms? $[123.50, 136.50]$ $[125.89, 134.12]$ $[117.00, 143.00]$ $[120.25, 139.75]$
asked
Feb 12, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
bridgecircuit
galvanometer
tolerance
0
votes
0
answers
18
GATE201516
A $(050 A)$ moving coil ammeter has a voltage drop of $0.1 V$ across its terminals at full scale deflection. The external shunt resistance (in milliohms) needed to extend its range to $(0 – 500 A)$ is _______.
asked
Feb 12, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
currentmeasurement
ammeter
numericalanswers
0
votes
0
answers
19
GATE20151GA2
Which of the following options is the closest in meaning to the sentence below? She enjoyed herself immensely at the party. She had a terrible time at the party. She had a horrible time at the party. She had a terrific time at the party. She had a terrifying time at the party.
asked
Feb 12, 2017
in
Verbal Ability
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
verbal
vocabulary
0
votes
0
answers
20
GATE20151GA3
Which one of the following combinations is incorrect? Acquiescence  Submission Wheedle  Roundabout Flippancy  Lightness Profligate  Extravagant
asked
Feb 12, 2017
in
Verbal Ability
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
vocabulary
verbal
0
votes
0
answers
21
GATE20151GA4
Based on the given statements, select the most appropriate option to solve the given question. If two floors in certain building are 9 feet apart, how many steps are there in a set of stairs that extends from the first floor to the second floor ... . Both statement together are sufficient, but neither statement alone is sufficient. Statement $I$ and $II$ together are not sufficient.
asked
Feb 12, 2017
in
Numerical Ability
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
logical
analytical
0
votes
0
answers
22
GATE20151GA5
Given set $A=\left\{ 2, 3, 4, 5\right\}$ and set $B=\left\{ 11, 12, 13, 14, 15\right\}$, two numbers are randomly selected, one from each set. What is the probability that the sum of two numbers equal $16$? $0.20$ $0.25$ $0.30$ $0.33$
asked
Feb 12, 2017
in
Probability & Statistics
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
samplespace
events
0
votes
0
answers
23
GATE20151GA6
Select the alternative meaning of the underlined part of the sentence. The chain snatchers took to their heels when the police party arrived. Took shelter in a thick jungle. Open indiscriminate fire. Took to flight. Unconditionally surrendered.
asked
Feb 12, 2017
in
Verbal Ability
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
vocabulary
verbal
0
votes
0
answers
24
GATE20151GA7
The given statement is followed by some courses of action. Assuming the statement to be true, decide the correct option. Statement: There has been a significant drop in the water level in the lakes supplying water to the city. Course of action: (I) The water supply ... $I$ and $II$ follow. Statement $I$ and $III$ follow. Statement $II$ and $III$ follow. All statements follow.
asked
Feb 12, 2017
in
Numerical Ability
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
logical
analytical
0
votes
0
answers
25
GATE20151GA8
The piechart below has the breakup of the number of students from different departments in an engineering college for the year $2012$. The proportion of male to female students in each department is $5:4$. There are $40$ males in ... What is the difference between the numbers of female students in the Civil department and the female students in the Mechanical department?
asked
Feb 12, 2017
in
Probability & Statistics
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
charts
stats
numericalanswers
0
votes
0
answers
26
GATE20151GA9
The probabilities that a student passes in Mathematics, Physics, and Chemistry are $m, p,$ and $c$ respectively. Of these subjects, the student has $75$% chance of passing in at least one, a $50$% chance of passing in at least two and a $40$% chance of passing in ... $I$ is true. Only relation $II$ is true. Relations $II$ and $III$ are true. Relations $I$ and $III$ are true.
asked
Feb 12, 2017
in
Probability & Statistics
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
events
samplespace
0
votes
0
answers
27
GATE20151GA10
The number of students in a class who have answered correctly, wrongly, or not attempted each question in an exam, are listed in the table below. The marks for each question are also listed. There is no negative or partial marking. Q No. Marks Answered correctly Answered ... is the average of the marks obtained by the class in the examination? $2.290$ $2.970$ $6.795$ $8.795$
asked
Feb 12, 2017
in
Numerical Ability
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
average
generalmathematics
0
votes
0
answers
28
GATE20151GA1
Didn't you buy _________when you went shopping? Any paper Much paper No paper A few paper
asked
Feb 12, 2017
in
Verbal Ability
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
vocabulary
verbal
0
votes
0
answers
29
GATE2016252
The gain at the breakaway point of the root locus of a unity feedback system with open loop transfer function $G(s)=\frac{Ks}{(s1)(s4)}$ is $1$ $2$ $5$ $9$
asked
Jan 30, 2017
in
Control Systems
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
gain
breakawaypoint
unityfeedbacksystem
0
votes
0
answers
30
GATE2016253
Two identical unloaded generators are connected in parallel as shown in the figure. Both the generators are having positive, negative and zero sequence impedances of $j0.4$ p.u., $j0.3$ p.u. and $j0.15$ p.u., respectively. If the prefault voltage is $1$ p.u., for a linetoground $(LG)$ fault at the terminals of the generators, the fault current, in p.u., is ___________.
asked
Jan 30, 2017
in
Power Systems
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
sequenceimpedences
prefaultvoltage
numericalanswers
0
votes
0
answers
31
GATE2016254
An energy meter, having meter constant of $1200$ revolutions/kWh, makes $20$ revolutions in $30$ seconds for a constant load. The load, in $kW$, is __________.
asked
Jan 30, 2017
in
Power Systems
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
energymeter
revolutions
constantload
numericalanswers
0
votes
0
answers
32
GATE2016255
A rotating conductor of $1$ m length is placed in a radially outward (about the $z$axis) magnetic flux density $(B)$ of $1$ Tesla as shown in figure below. Conductor is parallel to and at $1$ m distance from the $z$axis. The speed of the conductor in r.p.m. required to induce a voltage of $1$ V across it, should be __________.
asked
Jan 30, 2017
in
Electromagnetic Fields
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
magneticfluxdensity
conductor
numericalanswers
0
votes
0
answers
33
GATE2016248
A singlephase bidirectional voltage source converter $(VSC)$ is shown in the figure below. All devices are ideal. It is used to charge a battery at $400$ V with power of $5$ kW from a source $V_{s} = 220$ V (rms), $50$ Hz sinusoidal $AC$ mains at unity p.f ... $(\delta)$ between $AC$ mains voltage $(V_{s})$ and fundamental $AC$ rms $VSC$ voltage $(V_{C1})$, in degree, is __________.
asked
Jan 30, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
voltagesourceconverter
phaseshift
numericalanswers
0
votes
0
answers
34
GATE2016249
Consider a linear time invariant system $\dot{x}=Ax$ with initial condition $x(0)$ at $t=0$. Suppose $\alpha$ and $\beta$ are eigenvectors of $(2 \times 2)$ matrix $A$ corresponding to distinct eigenvalues $\lambda_{1}$ and $\lambda_{2}$ respectively. Then the response $x(t)$ ... $e^{\lambda_{2}t}\beta$ $e^{\lambda_{2}t}\alpha$ $e^{\lambda_{1}t}\alpha+e^{\lambda_{2}t}\beta$
asked
Jan 30, 2017
in
Linear Algebra
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
lineartimeinvariantsystem
eigenvalues
0
votes
0
answers
35
GATE2016250
A secondorder real system has the following properties: a) the damping ratio $\zeta=0.5$ and undamped natural frequency $\omega _{n}=10$ rad/s b) the steady state value of the output, to a unit step input, is $1.02$. The transfer function of the system is $\frac{1.02}{s^{2}+5s+100}$ $\frac{102}{s^{2}+10s+100}$ $\frac{100}{s^{2}+10s+100}$ $\frac{102}{s^{2}+5s+100}$
asked
Jan 30, 2017
in
Control Systems
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
dampingratio
naturalfrequency
0
votes
0
answers
36
GATE2016251
Three singlephase transformers are connected to form a deltastar threephase transformer of $110$ kV/ $11$ kV. The transformer supplies at $11$ kV a load of $8$ MW at $0.8$ p.f. lagging to a nearby plant. Neglect the transformer losses. The ratio of phase currents in delta side to star side is $1 : 10\sqrt{3}$ $10\sqrt{3} : 1$ $1 : 10$ $\sqrt{3} : 10$
asked
Jan 30, 2017
in
Power Systems
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
deltastarconnections
transformerlosses
0
votes
0
answers
37
GATE2016244
A singlephase, $2$ kVA, $100/200$ V transformer is reconnected as an autotransformer such that its $kVA$ rating is maximum. The new rating, in $kVA$, is ______.
asked
Jan 30, 2017
in
Power Systems
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
autotransformer
rating
numericalanswers
0
votes
0
answers
38
GATE2016245
A fullbridge converter supplying an $RLE$ load is shown in figure. The firing angle of the bridge converter is $120$°. The supply voltage $v_{m}(t) =200\pi \sin (100\pi t) V, R=20\Omega, E=800 V$. The inductor $L$ is large enough to make the output current $I_{L}$ a smooth dc current. Switches are lossless. The real power fed back to the source, in $kW$, is _________.
asked
Jan 30, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
fullbridgeconverter
firingangle
numericalanswers
0
votes
0
answers
39
GATE2016246
A threephase Voltage Source Inverter $(VSI)$ as shown in the figure is feeding a delta connected resistive load of $30 \Omega$/phase. If it is fed from a $600$ V battery, with $180$° conduction of solidstate devices, the power consumed by the load, in kW, is __________.
asked
Jan 30, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
voltagesourceinverter
solidstatedevices
numericalanswers
0
votes
0
answers
40
GATE2016247
A $DCDC$ boost converter, as shown in the figure below, is used to boost $360$ V to $400$ V, at a power of $4$ kW. All devices are ideal. Considering continuous inductor current, the rms current in the solid state switch $(S)$, in ampere, is _________.
asked
Jan 30, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
boostconverter
inductorcurrent
numericalanswers
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