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1
GATE2014224
To maximum power transfer, a lossless transmission line is to be matched to a resistive load impedance via a $\lambda/4$ transformer as shown. The characteristic impedance (in $\Omega$) of the $\lambda$/4 transformer is ___________.
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by
soujanyareddy13
(
100
points)
gate2014ec2
numericalanswers
electromagnetics
impedance
0
votes
0
answers
2
GATE2014223
Consider sinusoidal modulation in an AM system. Assuming no overmodulation, the modulation index ($\mu$) when the maximum and minimum values of the envelope, respectively, are $3$ V and $1$ V, is ___________.
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by
soujanyareddy13
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100
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gate2014ec2
numericalanswers
communications
networksolutionmethods
0
votes
0
answers
3
GATE2014222
The capacity of a bandlimited additive white Gaussian noise (AWGN) channel is given by $C = W \log_{2}\left ( 1+\frac{p} {\sigma ^{2}w} \right )$ bits per second (bps), where $W$ is the channel bandwidth, $P$ ... $(W\rightarrow \infty )$ is approximately $1.44$ $1.08$ $0.72$ $0.36$
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Others
by
soujanyareddy13
(
100
points)
gate2014ec2
vectoranalysis
gauss'stheorem
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votes
0
answers
4
GATE2014221
For the following system, when $X_{1} (s) = 0$, the transfer function $\frac{Y(s)}{X_{2}(s)}$ is $\frac{s+1}{s^{2}}\\ $ $\frac{1}{s+1} \\$ $\frac{s+2}{s(s+1)} \\$ $\frac{s+1}{s(s+2)}$
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Others
by
soujanyareddy13
(
100
points)
gate2014ec2
networksolutionmethods
transferfunction
0
votes
0
answers
5
GATE2014220
The natural frequency of an undamped secondorder system is $40$ rad/s. If the system is damped with a damping ratio $0.3$, the damped natural frequency in $rad/s$ is ___________.
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by
soujanyareddy13
(
100
points)
gate2014ec2
numericalanswers
controlsystems
damping
0
votes
0
answers
6
GATE2014219
Consider the periodic square wave in the figure shown. The ratio of the power in the $7^{th}$ harmonic to the power in the $5^{th}$ harmonic for this waveform is closest in value to ________.
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by
soujanyareddy13
(
100
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gate2014ec2
numericalanswers
electronics
0
votes
0
answers
7
GATE2014218
Let $x[n] = x[n]$. Let $X(z)$ be the $z$transform of $x[n]$. If $0.5 + j 0.25$ is a zero of $X(z)$, which one of the following must also be a zero of $x(z)$ $0.5 – j 0.25$ $1/(0.5 + j 0.25)$ $1/(0.5 – j 0.25)$ $2+j 4$
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by
soujanyareddy13
(
100
points)
gate2014ec2
continuoustimesignals
ztransforms
0
votes
0
answers
8
GATE2014217
As FIR system is described by the system function $ H(z) = 1 + \frac{7}{2} z^{1} + \frac{3}{2}z^{2}$. The system is maximum phase minimum phase mixed phase zero phase
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Others
by
soujanyareddy13
(
100
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gate2014ec2
digitalcircuits
continuoustimesignals
communications
0
votes
0
answers
9
GATE2014216
In a halfsubtractor circuit with $X$ and $Y$ as inputs, the Borrow $(M)$ and Difference $(N = X – Y)$ are given by $M = X \oplus Y, \: \: \: N = XY$ $M = XY, \: \: \:N = X \oplus Y$ $M = \overline{ X}Y, \: \: \: N =X \oplus Y$ $M = X \overline{ Y}, \: \: \: N = \overline{X \oplus Y}$
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22 hours
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Others
by
soujanyareddy13
(
100
points)
gate2014ec2
digitalcircuits
halfsubtractorcircuit
0
votes
0
answers
10
GATE2014215
The number of bytes required to represent the decimal number $1856357$ in packed BCD (Binary Coded Decimal) form is ___________.
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Others
by
soujanyareddy13
(
100
points)
gate2014ec2
numericalanswers
engineeringmathematics
0
votes
0
answers
11
GATE2014214
For an $n$variable Boolean function, the maximum number of prime implicants is $2(n1)$ $n/2$ $2^{n}$ $2^{n1}$
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Others
by
soujanyareddy13
(
100
points)
gate2014ec2
booleanalgebra
0
votes
0
answers
12
GATE2014213
A cascade connection of two voltage amplifier $A1$ and $A2$ is shown in the figure. The openloop gain $A_{V0}$, input resistance $R_{in}$, and output resistance $R_{o}$ for A1 and A2 are as follows: $A1: A_{V0} = 10, R_{in} = 10k \Omega, R_{o} = 1k\Omega$ $A2: A_{V0} = 5, R_{in} = 5k \Omega, R_{o} =200\Omega$ The approximate overall voltage gain $V_{out}/V_{in}$ is __________.
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Others
by
soujanyareddy13
(
100
points)
gate2014ec2
numericalanswers
electromagnetics
0
votes
0
answers
13
GATE2014212
In the differential amplifier shown in the figure, the magnitude of the commonmode and differentialmode gains are $A_{CM}$ and $A_{d},$ respectively. If the resistance $R_{E}$ is increased, then $A_{cm}$ increases commonmode rejection ratio increases $A_{d}$ increases commonmode rejection ratio decreases
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Others
by
soujanyareddy13
(
100
points)
gate2014ec2
analogcircuits
electronics
cmrr
0
votes
0
answers
14
GATE2014211
The feedback topology in the amplifier circuit ( the base bias circuit is not shown for simplicity) in the figure is voltage shunt feedback current series feedback current shunt feedback voltage series feedback
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Others
by
soujanyareddy13
(
100
points)
gate2014ec2
analogcircuits
controlsystems
0
votes
0
answers
15
GATE2014210
In CMOS technology, shallow Pwell or Nwell regions can be formed using low pressure chemical vapour deposition low energy sputtering low temperature dry oxidation low energy ionimplantation
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Others
by
soujanyareddy13
(
100
points)
gate2014ec2
electronicdevices
cmos
0
votes
0
answers
16
GATE201429
An increase in the base recombination of a BJT will increase the common emitter dc current gain $\beta$ the breakdown voltage $BV_{CEO}$ the unitygain cutoff frequency $f_{T}$ the transconductance $g_{m}$
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Others
by
soujanyareddy13
(
100
points)
gate2014ec2
electronic
devices
analogcircuits
bjt
0
votes
0
answers
17
GATE201428
A silicon bar is doped with donor impurities $N_{D}= 2.25 \times 10^{15} \text{atoms} / cm^{3}$. Given the intrinsic carrier concentration of silicon at $T = 300 \: K$ is $n_{i}= 1.5 \times 10^{10} cm^{3}.$ Assuming complete impurity ionization, the equilibrium electron and hole ... $n_{0}=2.25\times 10^{15}cm^{3}, \: p_{0}= 1\times 10^{5}cm^{3}$
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Others
by
soujanyareddy13
(
100
points)
gate2014ec2
electronicdevices
intrinsicandextrinsicsilicon
0
votes
0
answers
18
GATE201426
Norton’s theorem states that a complex network connected to a load can be replaced with an equivalent impedance in series with a current source in parallel with a voltage source in series with a voltage source in parallel with a current source
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Others
by
soujanyareddy13
(
100
points)
gate2014ec2
networksolutionmethods
0
votes
0
answers
19
GATE201425
If the characteristic equation of the differential equation $\frac{\mathrm{d}^2 y}{\mathrm{dx}^2}+2\alpha \frac{\mathrm{d}y}{\mathrm{d} x}+y= 0$ has two equal roots, then the value of $\alpha$ are $\pm 1$ $0,0$ $\pm j$ $\pm 1/2$
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Others
by
soujanyareddy13
(
100
points)
gate2014ec2
differentialequations
0
votes
0
answers
20
GATE201424
The value of $\lim_{x\rightarrow \infty }(1 +\tfrac{1}{x})^{x}$ is $\text{ln }2$ $1.0$ $e$ $\infty$
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Others
by
soujanyareddy13
(
100
points)
gate2014ec2
numericalanswers
engineeringmathematics
0
votes
0
answers
21
GATE201423
For $0 \leq t < \infty ,$ the maximum value of the function $f(t)= e^{t}2e^{2t}$ occurs at $t= log_{e}4$ $t= log_{e}2$ $t= 0$ $t= log_{e}8$
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Others
by
soujanyareddy13
(
100
points)
gate2014ec2
numericalanswers
0
votes
0
answers
22
GATE20142GA10
It takes $30$ minutes to empty a halffull tank by draining it at a constant rate. It is decided to simultaneously pump water into the halffull tank while draining it. What is the rate at which water has to be pumped in so that it gets fully filled in $10$ minutes? $4$ times the draining rate $3$ times the draining rate $2.5$ times the draining rate $2$ times the draining rate
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Numerical Ability
by
soujanyareddy13
(
100
points)
gate2014ec2
numericalanswers
0
votes
0
answers
23
GATE20142GA9
The total exports and revenues from the exports of a country are given in the two charts shown below. The pie chart for exports shows the quantity of each item exported as a percentage of the total quantity of exports. The pie chart for the revenues shows the percentage ... Which item among the following has generated the maximum revenue per $kg$? Item $2$ Item $3$ Item $6$ Item $5$
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in
Numerical Ability
by
soujanyareddy13
(
100
points)
gate2014ec2
numericalability
0
votes
0
answers
24
GATE20142GA7
Lights of four colors (red, blue, green, yellow) are hung on a ladder. On every step of the ladder, there are two lights. If one of the lights is red, the other light on that step will always be blue. If one of the lights on a step is green, the ... equal to the sum of the yellow and blue lights The sum of the red and blue lights is equal to the sum of the green and yellow lights
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Verbal Ability
by
soujanyareddy13
(
100
points)
gate2014ec2
verbalability
0
votes
0
answers
25
GATE20142GA6
Find the odd one in the following group Q,W,Z,B B,H,K,M W,C,G,J M,S,V,X Q,W,Z,B B,H,K,M W,C,G,J M,S,V,X
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in
Numerical Ability
by
soujanyareddy13
(
100
points)
gate2014ec2
numericalability
0
votes
0
answers
26
GATE20142GA4
A regular die has six sides with numbers $1$ to $6$ marked on its sides. If a very large number of throws show the following frequencies of occurrence: $1 \rightarrow 0.167$; $2 \rightarrow 0.167$; $3 \rightarrow 0.152$; $4 \rightarrow 0.166$; $5 \rightarrow 0.168$; $6 \rightarrow 0.180$. We call this die irregular biased Gaussian insufficient
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in
Numerical Ability
by
soujanyareddy13
(
100
points)
gate2014ec2
numericalability
0
votes
1
answer
27
GATE20142GA3
Choose the most appropriate pair of words from the options given below to complete the following sentence. She could not _________ the thought of _________ the election to her bitter rival. bear, loosing bare, loosing bear, losing bare, losing
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Verbal Ability
by
soujanyareddy13
(
100
points)
gate2014ec2
verbalability
0
votes
1
answer
28
GATE20142GA2
Which of the options given below best completes the following sentence? She will feel much better if she ________________. will get some rest gets some rest will be getting some rest is getting some rest
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Verbal Ability
by
soujanyareddy13
(
100
points)
gate2014ec2
verbalability
0
votes
1
answer
29
GATE20142GA1
Choose the most appropriate word from the options given below to complete the following sentence. Communication and interpersonal skills are__________ important in their own ways. each both all either
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Verbal Ability
by
soujanyareddy13
(
100
points)
gate2014ec2
verbalability
0
votes
0
answers
30
GATE2014130
A $Y$network has resistances of $10\Omega$ each in two of its arms, while the third arm has a resistance of $11\Omega.$ In the equivalent $\Delta$ – network, the lowest value (in $\Omega)$ among the three resistances is ______.
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by
soujanyareddy13
(
100
points)
gate2014ec1
numericalanswers
networks
0
votes
0
answers
31
GATE2014129
Consider the matrix ... $\alpha$ is a nonnegative real number. The value of $\alpha$ for which $\text{det(P)} = 0$ is _______.
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by
soujanyareddy13
(
100
points)
gate2014ec1
numericalanswers
matrix
0
votes
0
answers
32
GATE2014128
The volume under the surface $z(x,y) = x + y$ and above the triangle in the $x – y$ plane defined by $\{0 \leq y \leq x \: \text{and} \: 0 \leq x \leq 12\}$ is _______.
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Others
by
soujanyareddy13
(
100
points)
gate2014ec1
numericalanswers
vectoranalysis
0
votes
0
answers
33
GATE2014127
For a function $g(t),$ it is given that $\int_{ \infty}^{ + \infty} g(t)e^{j\omega t}\:dt = \omega e^{2\omega^{2}}$ for any real value $\omega.$ If $y(t) = \int_{ \infty}^{t}\:g(\tau)\:d\tau,$ then $\int_{ \infty}^{ + \infty}y(t)dt$ is $0$ $j$ $\frac{j}{2}$ $\frac{j}{2}$
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Others
by
soujanyareddy13
(
100
points)
gate2014ec1
networks
0
votes
0
answers
34
GATE2014123
The capacity of a Binary Symmetric Channel $\text{(BSC)}$ with crossover probability $0.5$ is ________.
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Others
by
soujanyareddy13
(
100
points)
gate2014ec1
numericalanswers
probability
0
votes
0
answers
35
GATE2014118
Consider two real valued signals, $x(t)$ bandlimited to $[500\:Hz,500\:Hz]$ and $y(t)$ bandlimited to $[1\:kHz,1\:kHz].$ For $z(t) = x(t)\cdot y(t),$ the Nyquist sampling frequency (in $kHz$) is _______.
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by
soujanyareddy13
(
100
points)
gate2014ec1
numericalanswers
nyquistsampling
controlsystems
0
votes
0
answers
36
GATE2014113
In the lowpass filter shown in the figure, for a cutoff frequency of $5\:kHz,$ the value of $R_{2}\:(\text{in}\:k\Omega)$ is ______.
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Others
by
soujanyareddy13
(
100
points)
gate2014ec1
numericalanswers
imageprocessing
0
votes
0
answers
37
GATE201418
When the optical power incident on a photodiode is $10\:\mu W$ and the responsivity is $0.8\: A/ W,$ the photocurrent generated $(\text{in} \:\mu A)$ is_______.
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Others
by
soujanyareddy13
(
100
points)
gate2014ec1
numericalanswers
electronicdevices
0
votes
0
answers
38
GATE201415
Let $X_{1},X_{2},$ and $X_{3}$ be independent and identically distributed random variables with the uniform distribution on $[0,1].$ The probability $P\{X_{1}\: \text{is the largest}\}$ is ________.
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by
soujanyareddy13
(
100
points)
gate2014ec1
numericalanswers
probability
0
votes
0
answers
39
GATE201421
The determinant of matrix $A$ is $5$ and the determinant of matrix B is $40$. The determinant of matrix $AB$ is ________
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Others
by
soujanyareddy13
(
100
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gate2014ec2
numericalanswers
matrix
linearalgebra
engineeringmathematics
0
votes
0
answers
40
GATE2014125
The force on a point charge $+q$ kept at a distance $d$ from the surface of an infinite grounded metal plate in a medium of permittivity $\epsilon\:$ is $0$ $\dfrac{q^{2}}{16\pi \epsilon d^{2}}$ away from the plate $\dfrac{q^{2}}{16\pi \epsilon d^{2}}$ towards the plate $\dfrac{q^{2}}{4\pi \epsilon d^{2}}$ towards the plate
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by
soujanyareddy13
(
100
points)
gate2014ec1
differentialequations
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