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Recent questions tagged gate2019-ec
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1
GATE ECE 2019 | GA Question: 1
The strategies that the company ________ to sell its products _______ house-to-house marketing. use, includes uses, include used, includes uses, including
Arjun
asked
in
Verbal Aptitude
Feb 12, 2019
by
Arjun
5.9k
points
206
views
gate2019-ec
verbal-ability
english-grammar
0
votes
1
answer
2
GATE ECE 2019 | GA Question: 2
The boat arrived ______ dawn. in at on under
Arjun
asked
in
Verbal Aptitude
Feb 12, 2019
by
Arjun
5.9k
points
133
views
gate2019-ec
verbal-ability
english-grammar
0
votes
1
answer
3
GATE ECE 2019 | GA Question: 3
It would take one machine $4$ hours to complete a production order and another machine $2$ hours to complete the same order. If both machines work simultaneously at their respective constant rates, the time taken to complete the same order is ________ hours. $2/3$ $3/4$ $4/3$ $7/3$
Arjun
asked
in
Quantitative Aptitude
Feb 12, 2019
by
Arjun
5.9k
points
113
views
gate2019-ec
numerical-ability
work-time
0
votes
2
answers
4
GATE ECE 2019 | GA Question: 4
Five different books $(P, Q, R, S, T)$ are to be arranged on a shelf. The books $R$ and $S$ are to be arranged first and second, respectively from the right side of the shelf. The number of different orders in which $P, Q$ and $T$ may be arranged is ______. $2$ $6$ $12$ $120$
Arjun
asked
in
Quantitative Aptitude
Feb 12, 2019
by
Arjun
5.9k
points
139
views
gate2019-ec
numerical-ability
permutations-and-combinations
0
votes
1
answer
5
GATE ECE 2019 | GA Question: 5
When he did not come home, she _______ him lying dead on the roadside somewhere. concluded looked notice pictured
Arjun
asked
in
Verbal Aptitude
Feb 12, 2019
by
Arjun
5.9k
points
97
views
gate2019-ec
verbal-ability
most-appropriate-word
0
votes
1
answer
6
GATE ECE 2019 | GA Question: 6
Four people are standing in a line facing you. They are Rahul, Mathew, Seema and Lohit. One is an engineer, one is a doctor, one a teacher and another a dancer. You are told that: Mathew is not standing next to Seema There are two people ... is turning to her right to speak to the doctor standing next to her Who among them is an engineer? Seema Lohit Rahul Mathew
Arjun
asked
in
Analytical Aptitude
Feb 12, 2019
by
Arjun
5.9k
points
164
views
gate2019-ec
analytical-aptitude
logical-reasoning
statements-follow
0
votes
0
answers
7
GATE ECE 2019 | GA Question: 7
The bar graph in panel (a) shows the proportion of male and female illiterates in $2001$ and $2011.$ The proportions of males and females in $2001$ and $2011$ are given in Panel (b) and (c), respectively. The total population did not change during this period. ... in the total number of literates from $2001$ to $2011$ is ______. $30.43$ $33.43$ $34.43$ $35.43$
Arjun
asked
in
Quantitative Aptitude
Feb 12, 2019
by
Arjun
5.9k
points
189
views
gate2019-ec
numerical-ability
data-interpretation
bar-graph
0
votes
0
answers
8
GATE ECE 2019 | GA Question: 8
"Indian history was written by British historians-extremely well documented and researched, but not always impartial. History had to serve its purpose: Everything was made subservient to the glory of the Union Jack. Latter-day Indian ... was well documented and researched but was sometimes biased was not well documented and researched and was sometimes biased
Arjun
asked
in
Verbal Aptitude
Feb 12, 2019
by
Arjun
5.9k
points
93
views
gate2019-ec
verbal-ability
verbal-reasoning
passage-reading
0
votes
1
answer
9
GATE ECE 2019 | GA Question: 9
Two design consultants, $P$ and $Q,$ started working from $8$ AM for a client. The client budgeted a total of USD $3000$ for the consultants. $P$ stopped working when the hour hand moved by $210$ degrees on the clock. $Q$ stopped working when ... paying the consultants, the client shall have USD _______ remaining in the budget. $000.00$ $166.67$ $300.00$ $433.33$
Arjun
asked
in
Quantitative Aptitude
Feb 12, 2019
by
Arjun
5.9k
points
138
views
gate2019-ec
numerical-ability
work-time
0
votes
1
answer
10
GATE ECE 2019 | GA Question: 10
Five people $P,Q,R,S$ and $T$ work in a bank. $P$ and $Q$ don't like each other but have to share an office till $T$ gets a promotion and moves to the big office next to the garden $R,$ who is currently sharing an office with $T$ wants to ... $S,$ the handsome new intern. Given the floor plan, what is the current location of $Q, R$ and $T?$ (O=Office, WR=Washroom)
Arjun
asked
in
Analytical Aptitude
Feb 12, 2019
by
Arjun
5.9k
points
100
views
gate2019-ec
analytical-aptitude
logical-reasoning
2
votes
0
answers
11
GATE ECE 2019 | Question: 1
Which one of the following functions is analytic over the entire complex plane? $\ln(z)$ $e^{1/z}$ $\frac{1}{1-z}$ $\cos(z)$
Arjun
asked
in
Complex Analysis
Feb 12, 2019
by
Arjun
5.9k
points
261
views
gate2019-ec
complex-analysis
0
votes
0
answers
12
GATE ECE 2019 | Question: 2
The families of curves represented by the solution of the equation $\frac{dy}{dx}=\: â \left(\frac{x}{y} \right)^n$ for $n=-1$ and $n= +1,$ respectively, are Parabolas and Circles Circles and Hyperbolas Hyperbolas and Circles Hyperbolas and Parabolas
Arjun
asked
in
Differential Equations
Feb 12, 2019
by
Arjun
5.9k
points
101
views
gate2019-ec
differential-equations
0
votes
0
answers
13
GATE ECE 2019 | Question: 3
Let $H(z)$ be the $z-$ transform of a real-valued discrete-time signal $h[n].$ If $P(z) = H(z) H(\frac{1}{z})$ has a zero at $z= \frac{1}{2}+\frac{1}{2}j,$ and $P(z)$ has a total of four zeros, which one of the following plots represents all the zeros correctly?
Arjun
asked
in
Continuous-time Signals
Feb 12, 2019
by
Arjun
5.9k
points
110
views
gate2019-ec
continuous-time-signals
signals-and-systems
discrete-time-signals
0
votes
0
answers
14
GATE ECE 2019 | Question: 4
Consider the two-port resistive network shown in the figure. When an excitation of $5\: V$ is applied across Port $1$, and Port $2$ is shorted, the current through the short circuit at Port $2$ is measured to be $1\: A$ ... ), what is the current through the short circuit at Port $1?$ $0.5\: A$ $1\: A$ $2\: A$ $2.5\: A$
Arjun
asked
in
Network Solution Methods
Feb 12, 2019
by
Arjun
5.9k
points
136
views
gate2019-ec
two-port-network
network-solution-methods
0
votes
0
answers
15
GATE ECE 2019 | Question: 5
Let $Y(s)$ be the unit-step response of a causal system having a transfer function $G(s)= \dfrac{3-s}{(s+1)(s+3)}$ that is ,$Y(s)=\dfrac{G(s)}{s}.$ The forced response of the system is $u(t)-2e^{-t}u(t)+e^{-3t}u(t)$ $2u(t)-2e^{-t}u(t)+e^{-3t}u(t)$ $2u(t)$ $u(t)$
Arjun
asked
in
Network Solution Methods
Feb 12, 2019
by
Arjun
5.9k
points
218
views
gate2019-ec
network-solution-methods
signals-and-systems
transfer-function
0
votes
0
answers
16
GATE ECE 2019 | Question: 6
For an LTI system, the Bode plot for its gain is as illustrated in the figure shown. The number of system poles $N_{p}$ and the number of system zeros $N_{z}$ in the frequency range $1\: Hz \leq f \leq \:10^{7} Hz $ is $N_{p}=5, N_{z}=2$ $N_{p}=6, N_{z}=3$ $N_{p}=7, N_{z}=4$ $N_{p}=4, N_{z}=2$
Arjun
asked
in
Continuous-time Signals
Feb 12, 2019
by
Arjun
5.9k
points
138
views
gate2019-ec
continuous-time-signals
signals-and-systems
linear-time-invariant-systems
0
votes
0
answers
17
GATE ECE 2019 | Question: 7
A linear Hamming code is used to map $4-bit$ message to $7-bit$ codewords. The encoder mapping is linear. If the message $0001$ is mapped to the codeword $0000111$, and the message $0011$ is mapped to the codeword $1100110$, then the message $0010$ is mapped to $0010011$ $1100001$ $1111000$ $1111111$
Arjun
asked
in
Communications
Feb 12, 2019
by
Arjun
5.9k
points
410
views
gate2019-ec
communications
hamming-codes
0
votes
0
answers
18
GATE ECE 2019 | Question: 8
Which one of the following options describes correctly the equilibrium band diagram at $T=300\:K$ of a Silicon $pnn^{+}\:\:p^{++}$ configuration shown in the figure?
Arjun
asked
in
Electronic Devices
Feb 12, 2019
by
Arjun
5.9k
points
105
views
gate2019-ec
electronic-devices
silicon
0
votes
0
answers
19
GATE ECE 2019 | Question: 9
The correct circuit representation of the structure shown in the figure is
Arjun
asked
in
Electronic Devices
Feb 12, 2019
by
Arjun
5.9k
points
219
views
gate2019-ec
electronic-devices
0
votes
0
answers
20
GATE ECE 2019 | Question: 10
The figure shows the high-frequency C-V curve of a MOS capacitor $(\text{at}\: T=300\: K)$ with $\Phi_{ms}= 0\: V$ and no oxide charges. The flat-band, inversion, and accumulation conditions are represented, respectively, by the points $P,Q,R$ $Q,R,P$ $R,P,Q$ $Q,P,R$
Arjun
asked
in
Electronic Devices
Feb 12, 2019
by
Arjun
5.9k
points
150
views
gate2019-ec
electronic-devices
mos-capacitor
0
votes
0
answers
21
GATE ECE 2019 | Question: 11
What is the electric flux $\left(\int \vec{E}.d \hat{a}\right)$ through a quarter-cylinder of height $H$ (as shown in the figure) due to an infinitely long line charge along the axis of the cylinder with a charge density of $Q?$ $\frac{HQ}{\varepsilon_{0}}$ $\frac{HQ}{4\varepsilon_{0}}$ $\frac{H\varepsilon_{0}}{4Q}$ $\frac{4H}{Q\varepsilon_{0}}$
Arjun
asked
in
Electronic Devices
Feb 12, 2019
by
Arjun
5.9k
points
364
views
gate2019-ec
electronic-devices
0
votes
0
answers
22
GATE ECE 2019 | Question: 12
In the table shown, List I and List II, respectively, contain terms appearing on the left-hand side and the right-hand side of Maxwell's equations (in their standard form). Match the left-hand side with the corresponding right-hand side. ... $1-Q,2-R,3-P,4-S$ $1-Q,2-S,3-P,4-R$ $1-R,2-Q,3-S,4-P$
Arjun
asked
in
Electromagnetics
Feb 12, 2019
by
Arjun
5.9k
points
92
views
gate2019-ec
electromagnetics
maxwell's-equations
0
votes
0
answers
23
GATE ECE 2019 | Question: 13
A standard CMOS inverter is designed with equal rise and fall times $(\beta_{n}=\beta_{p}).$ If the width of the pMOS transistor in the inverter is increased, what would be the effect on the LOW noise margin $NM_{L}$ and the HIGH noise margin $NM_{H}$? ... . $NM_{L}$ decreases and $NM_{H}$ increases. Both $NM_{L}$ and $NM_{H}$ increases. No change in the noise margins.
Arjun
asked
in
Electronic Devices
Feb 12, 2019
by
Arjun
5.9k
points
120
views
gate2019-ec
electronic-devices
cmos
0
votes
0
answers
24
GATE ECE 2019 | Question: 14
In the circuit shown, what are the values of $F$ for $EN=0$ and $EN=1,$ respectively? $\text{0 and D}$ $\text{Hi-Z and D}$ $\text{0 and 1}$ $\text{Hi-Z and}$ $ \overline{D}$
Arjun
asked
in
Digital Circuits
Feb 12, 2019
by
Arjun
5.9k
points
99
views
gate2019-ec
digital-circuits
logic-gates
0
votes
0
answers
25
GATE ECE 2019 | Question: 15
In the circuit shown, $A$ and $B$ are the inputs and $F$ is the output. What is the functionality of the circuit? Latch XNOR SRAM Cell XOR
Arjun
asked
in
Digital Circuits
Feb 12, 2019
by
Arjun
5.9k
points
100
views
gate2019-ec
digital-circuits
logic-gates
0
votes
0
answers
26
GATE ECE 2019 | Question: 16
The value of the contour integral $\frac{1}{2\pi j} \oint\left(z+\frac{1}{z}\right)^{2}dz$ evaluated over the unit circle $\mid z \mid=1$ is_______.
Arjun
asked
in
Calculus
Feb 12, 2019
by
Arjun
5.9k
points
75
views
gate2019-ec
numerical-answers
calculus
integrals
0
votes
1
answer
27
GATE ECE 2019 | Question: 17
The number of distinct eigenvalues of the matrix $A=\begin{bmatrix} 2&2&3&3\\0&1&1&1\\0&0&3&3\\0&0&0&2 \end{bmatrix}$ is equal to ____________.
Arjun
asked
in
Linear Algebra
Feb 12, 2019
by
Arjun
5.9k
points
105
views
gate2019-ec
numerical-answers
linear-algebra
matrices
eigen-values
0
votes
0
answers
28
GATE ECE 2019 | Question: 18
If $X$ and $Y$ are random variables such that $E\left[2X+Y\right]=0$ and $E\left[X+2Y\right]=33$, then $E\left[X\right]+E\left[Y\right]=$___________.
Arjun
asked
in
Probability and Statistics
Feb 12, 2019
by
Arjun
5.9k
points
76
views
gate2019-ec
numerical-answers
probability-and-statistics
probability
random-variable
expectation
0
votes
0
answers
29
GATE ECE 2019 | Question: 19
The value of the integral $ \displaystyle{}\int_{0}^{\pi} \int_{y}^{\pi}\dfrac{\sin x}{x}dx\: dy ,$ is equal to __________.
Arjun
asked
in
Calculus
Feb 12, 2019
by
Arjun
5.9k
points
112
views
gate2019-ec
numerical-answers
calculus
definite-integrals
0
votes
0
answers
30
GATE ECE 2019 | Question: 20
Let $Z$ be an exponential random variable with mean $1$. That is, the cumulative distribution function of $Z$ is given by $F_{Z}(x)= \left\{\begin{matrix} 1-e^{-x}& \text{if}\: x \geq 0 \\ 0& \text{if}\: x< 0 \end{matrix}\right.$ Then $Pr\left(Z>2 \mid Z>1\right),$ rounded off to two decimal places, is equal to ___________.
Arjun
asked
in
Probability and Statistics
Feb 12, 2019
by
Arjun
5.9k
points
161
views
gate2019-ec
numerical-answers
probability-and-statistics
probability
random-variable
0
votes
0
answers
31
GATE ECE 2019 | Question: 21
Consider the signal $f(t)=1+2 \cos(\pi t)+3 \sin \left(\dfrac{2\pi}{3}t\right)+4 \cos \left(\dfrac{\pi}{2}t+\dfrac{\pi}{4}\right)$, where $t$ is in seconds. Its fundamental time period, in seconds, is __________.
Arjun
asked
in
Continuous-time Signals
Feb 12, 2019
by
Arjun
5.9k
points
95
views
gate2019-ec
numerical-answers
continuous-time-signals
to-be-tagged
0
votes
0
answers
32
GATE ECE 2019 | Question: 22
The baseband signal $m(t)$ shown in the figure is phase-modulated to generate the $PM$ signal $\varphi(t)=\cos(2\pi f_{c}t+ k\:\: m(t)).$ The time $t$ on the $x-$ axis in the figure is in milliseconds. If the ... ratio of the minimum instantaneous frequency (in kHz) to the maximum instantaneous frequency (in kHz) is _________ (rounded off to $2$ decimal places).
Arjun
asked
in
Continuous-time Signals
Feb 12, 2019
by
Arjun
5.9k
points
166
views
gate2019-ec
numerical-answers
continuous-time-signals
to-be-tagged
0
votes
0
answers
33
GATE ECE 2019 | Question: 23
Radiation resistance of a small dipole current element of length $l$ at a frequency of $3$ GHz is $3$ ohms. If the length is changed by $1\%$, then the percentage change in the radiation resistance, rounded off to two decimal places, is ________ $\%.$
Arjun
asked
in
Electromagnetics
Feb 12, 2019
by
Arjun
5.9k
points
84
views
gate2019-ec
numerical-answers
electromagnetics
radiation-pattern
0
votes
0
answers
34
GATE ECE 2019 | Question: 24
In the circuit shown, $V_{s}$ is square wave of period $T$ with maximum and minimum values of $8\: V$ and $-10\: V$, respectively. Assume that the diode is ideal and $R_{1}=R_{2}=50\: \Omega.$ The average value of $V_{L}$ is _______ volts (rounded off to $1$ decimal place).
Arjun
asked
in
Electromagnetics
Feb 12, 2019
by
Arjun
5.9k
points
145
views
gate2019-ec
numerical-answers
electromagnetics
wave-equation
0
votes
0
answers
35
GATE ECE 2019 | Question: 25
In the circuit shown, the clock frequency, i.e., the frequency of the ClK signal, is $12\:kHz$. The frequency of the signal at $Q_{2}$ is _______ kHz.
Arjun
asked
in
Continuous-time Signals
Feb 12, 2019
by
Arjun
5.9k
points
149
views
gate2019-ec
numerical-answers
continuous-time-signals
to-be-tagged
0
votes
0
answers
36
GATE ECE 2019 | Question: 26
Consider a differentiable function $f(x)$ on the set of real numbers, such that $f(-1)=0$ and $ \mid fâ(x) \mid \leq 2.$ Given these conditions, which one of the following inequalities is necessarily true for all $x \in[-2,2]?$ $f(x)\leq \frac{1}{2} \mid x+1 \mid$ $f(x)\leq 2 \mid x+1 \mid $ $f(x)\leq \frac{1}{2} \mid x \mid$ $f(x)\leq 2 \mid x \mid$
Arjun
asked
in
Calculus
Feb 12, 2019
by
Arjun
5.9k
points
114
views
gate2019-ec
calculus
maxima-minima
0
votes
0
answers
37
GATE ECE 2019 | Question: 27
Consider the line integral $\int_{c} (xdy-ydx)$ the integral being taken in a counterclockwise direction over the closed curve $C$ that forms the boundary of the region $R$ shown in the figure below. The region $R$ is the area enclosed by the union of a $2 \times 3$ ... circle of radius $1$. The line integral evaluates to $6+ \dfrac{\pi}{2}$ $8+\pi$ $12+\pi$ $16+2\pi$
Arjun
asked
in
Calculus
Feb 12, 2019
by
Arjun
5.9k
points
220
views
gate2019-ec
integrals
calculus
0
votes
0
answers
38
GATE ECE 2019 | Question: 29
It is desired to find a three-tap casual filter which gives zero signal as an output to an input of the form $x[n]= c_{1}exp\left(-\dfrac{j\pi n}{2}\right)+c_{2}\left(\dfrac{j\pi n}{2}\right),$ where $c_{1}$ and $c_{2}$ are arbitrary real numbers. The desired three-tap filter is ... $n$, when $x[n]$ is as given above ? $a=1,b=1$ $a=0,b=-1$ $a=-1,b=1$ $a=0,b=1$
Arjun
asked
in
Control Systems
Feb 12, 2019
by
Arjun
5.9k
points
148
views
gate2019-ec
control-systems
0
votes
0
answers
39
GATE ECE 2019 | Question: 33
Let the state-space representation of an LTI system be $x(t)=A x(t)+B u(t), y(t)=Cx(t)+du(t)$ where $A,B,C$ are matrices, $d$ is a scalar, $u(t)$ is the input to the system, and $y(t)$ ...
Arjun
asked
in
Continuous-time Signals
Feb 12, 2019
by
Arjun
5.9k
points
111
views
gate2019-ec
continuous-time-signals
signals-and-systems
linear-time-invariant-systems
0
votes
0
answers
40
GATE ECE 2019 | Question: 35
The quantum efficiency $(\eta)$ and responsivity $(R)$ at wavelength $\lambda \:(\text{in}\: \mu m)$ in a p-i-n photodetector are related by $R= \frac{\eta \times \lambda}{1.24}$ $R= \frac{\lambda}{\eta \times 1.24}$ $R= \frac{1.24 \times\lambda}{\eta}$ $R= \frac{1.24}{\eta \times \lambda}$
Arjun
asked
in
Electronic Devices
Feb 12, 2019
by
Arjun
5.9k
points
61
views
gate2019-ec
electronic-devices
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