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GATE2016227
For the circuit shown below, taking the opamp as ideal, the output voltage $V_{out}$ in terms of the input voltages $V_{1}, V_{2}$ and $V_{3}$ is $1.8V_{1} + 7.2V_{2} V_{3}$ $2V_{1} + 8V_{2}  9V_{3}$ $7.2V_{1} + 1.8V_{2} V_{3}$ $8V_{1} + 2V_{2}  9V_{3}$
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
operationalamplifier
feedbackresistance
revese
0
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0
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2
GATE2016233
Let the probability density function of a random variable, $X$, be given as: $f_{x}(x)=\frac{3}{2}e^{3x}u(x)+ae^{4x}u(x)$ where u(x) is the unit step function. Then the value of 'a' and prob $\left\{X \leq 0\right\}$, respectively are $2, \frac{1}{2}$ $4, \frac{1}{2}$ $2, \frac{1}{4}$ $4, \frac{1}{4}$
asked
Jan 30, 2017
in
Probability & Statistics
by
makhdoom ghaya
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9.3k
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gate2016ee2
randomvariable
probabilitydensity
unitstepfunction
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3
GATE2016111
Consider the following circuit which uses a $2$to$1$ multiplexer as shown in the figure below. The Boolean expression for output $F$ in terms of $A$ and $B$ is $A\bigoplus B$ $\bar{A+B}$ $A+B$ $\bar{A \bigoplus B}$
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Jan 30, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
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gate2016ee1
notgate
multiplexer
logiccircuits
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0
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4
GATE2016116
In a constant $V/f$ induction motor drive, the slip at the maximum torque Is directly proportional to the synchronous speed. Remains constant with respect to the synchronous speed. Has an inverse relation with the synchronous speed. Has no relation with the synchronous speed.
asked
Jan 30, 2017
in
Electrical Machines
by
makhdoom ghaya
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9.3k
points)
gate2016ee1
slipspeed
synchronousspeed
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5
GATE2016143
A singlephase thyristorbridge rectifier is fed from a $230 V, 50 Hz$, singlephase $AC$ mains. If it is delivering a constant $DC$ current of $10 A$, at firing angle of $30$°, then value of the power factor at $AC$ mains is $0.87$ $0.9$ $0.78$ $0.45$
asked
Jan 30, 2017
in
new
by
makhdoom ghaya
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9.3k
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gate2016ee1
actodcconversion
magnitudecontrol
phasecontrol
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6
GATE2016129
Let $A$ be a $4 \times 3$ real matrix with rank $2$. Which one of the following statement is TRUE? Rank of $A^{T} A$ is less than $2$. Rank of $A^{T} A$ is equal to $2$. Rank of $A^{T} A$ is greater than $2$. Rank of $A^{T} A$ can be any number between $1$ and $3$.
asked
Jan 30, 2017
in
Calculus
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makhdoom ghaya
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9.3k
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gate2016ee1
numberofnonzerorows
gaussreduction
gausselimination
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votes
0
answers
7
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
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