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Recent questions tagged gate2020-ec
5
5 votes
3
answers
3 answers
1.6k
1.6k views
GATE ECE 2020 | GA | Question: 1
The untimely loss of life is a cause of serious global concern as thousands of people get killed ____ accidents every year while many other die ____ diseases like cardio ...
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1.6k
views
asked
Feb 13, 2020
Verbal Aptitude
gate2020-ec
verbal-aptitude
most-appropriate-word
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–
7
7 votes
5
answers
5 answers
2.1k
2.1k views
GATE ECE 2020 | GA | Question: 2
He was not only accused of theft _____ of conspiracy.ratherbut alsobut evenrather than
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2.1k
views
asked
Feb 13, 2020
Verbal Aptitude
gate2020-ec
verbal-aptitude
english-grammar
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9
9 votes
3
answers
3 answers
1.4k
1.4k views
GATE ECE 2020 | GA | Question: 3
Select the word that fits the analogy:Explicit: Implicit :: Express: _______ImpressRepressCompressSuppress
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1.4k
views
asked
Feb 13, 2020
Verbal Aptitude
gate2020-ec
verbal-aptitude
word-pairs
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–
2
2 votes
4
answers
4 answers
1.2k
1.2k views
GATE ECE 2020 | GA | Question: 4
The Canadian constitution requires that equal importance be given to English and French. Last year, Air Canada lost a lawsuit, and had to pay a six-figure fine to a Frenc...
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1.2k
views
asked
Feb 13, 2020
Verbal Aptitude
gate2020-ec
verbal-aptitude
verbal-reasoning
passage-reading
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5
5 votes
4
answers
4 answers
2.6k
2.6k views
GATE ECE 2020 | GA | Question: 5
A superadditive function $f(\cdot)$ satisfies the following property $$f\left ( x_{1} +x_{2}\right )\geq f\left ( x_{1} \right ) + f\left ( x_{2} \right )$$Which of the f...
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2.6k
views
asked
Feb 13, 2020
Quantitative Aptitude
gate2020-ec
quantitative-aptitude
functions
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–
3
3 votes
5
answers
5 answers
1.2k
1.2k views
GATE ECE 2020 | GA | Question: 6
The global financial crisis in $2008$ is considered to be the most serious world-wide financial crisis, which started with the sub-prime lending crisis in $\text{USA}$ in...
go_editor
1.2k
views
asked
Feb 13, 2020
Verbal Aptitude
gate2020-ec
verbal-aptitude
verbal-reasoning
passage-reading
+
–
9
9 votes
4
answers
4 answers
2.3k
2.3k views
GATE ECE 2020 | GA | Question: 7
It is quarter past three in your watch. The angle between the hour hand and the minute hand is ________.$0^{\circ}$$7.5^{\circ}$$15^{\circ}$$22.5^{\circ}$
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2.3k
views
asked
Feb 13, 2020
Quantitative Aptitude
gate2020-ec
quantitative-aptitude
clock-time
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–
15
15 votes
5
answers
5 answers
4.6k
4.6k views
GATE ECE 2020 | GA | Question: 8
A circle with centre $\text{O}$ is shown in the figure. A rectangle $\text{PQRS}$ of maximum possible area is inscribed in the circle. If the radius of the circle is $a$,...
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4.6k
views
asked
Feb 13, 2020
Quantitative Aptitude
gate2020-ec
quantitative-aptitude
geometry
circle
area
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–
8
8 votes
3
answers
3 answers
2.2k
2.2k views
GATE ECE 2020 | GA | Question: 9
$a, b, c$ are real numbers. The quadratic equation $ax^{2}-bx+c=0$ has equal roots, which is $\beta$, then$\beta =b/a$$\beta^{2} =ac$$\beta^{3} =bc/\left ( 2a^{2} \right ...
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2.2k
views
asked
Feb 13, 2020
Quantitative Aptitude
gate2020-ec
quantitative-aptitude
quadratic-equations
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–
9
9 votes
4
answers
4 answers
3.0k
3.0k views
GATE ECE 2020 | GA | Question: 10
The following figure shows the data of students enrolled in $5$ years $(2014\;\text{to}\; 2018)$ for two schools $P$ and $Q$. During this period, the ratio of the average...
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3.0k
views
asked
Feb 13, 2020
Quantitative Aptitude
gate2020-ec
quantitative-aptitude
data-interpretation
bar-graph
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–
1
1 vote
0
0 answers
926
926 views
GATE ECE 2020 | Question: 1
If $v_{1},v_{2}, \dots ,v_{6}$ are six vectors in $\mathbb{R}^{4}$ , which one of the following statements is $\text{FALSE}$?It is not necessary that these vectors span $...
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926
views
asked
Feb 13, 2020
Vector Analysis
gate2020-ec
vector-analysis
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1
1 vote
0
0 answers
844
844 views
GATE ECE 2020 | Question: 2
For a vector field $\overrightarrow{A}$, which one of the following is $\text{FALSE}$?$\overrightarrow{A}$ is solenoidal if $\triangledown \cdot \overrightarrow{A}=0.$$\t...
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844
views
asked
Feb 13, 2020
Vector Analysis
gate2020-ec
vector-analysis
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0
0 votes
0
0 answers
895
895 views
GATE ECE 2020 | Question: 3
The partial derivative of the function$$f(x, y, z) = e^{1-x\cos y} + xze^{-1/(1+y^{2})}$$with respect to $x$ at the point $(1,0,e)$ is$-1$$0$$1 \\$$\dfrac{1}{e}$
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895
views
asked
Feb 13, 2020
Calculus
gate2020-ec
calculus
derivatives
partial-derivatives
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1
1 vote
1
1 answer
831
831 views
GATE ECE 2020 | Question: 4
The general solution of $\dfrac{\mathrm{d^{2}} y}{\mathrm{d} x^{2}}-6\dfrac{\mathrm{d} y}{\mathrm{d} x}+9y=0$ is$y=C_{1}e^{3x}+C_{2}e^{-3x}$$y=(C_{1}+C_{2}x)e^{-3x}$$y=(C...
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831
views
asked
Feb 13, 2020
Differential Equations
gate2020-ec
differential-equations
second-order-differential-equation
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–
0
0 votes
0
0 answers
658
658 views
GATE ECE 2020 | Question: 5
The output $y[n]$ of a discrete-time system for an input $x[n]$ is$$y\left [ n \right ]=\underset{-\infty \leq k\leq n}{\text{max}} \mid x\left [ k \right ] \mid$$The uni...
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658
views
asked
Feb 13, 2020
Continuous-time Signals
gate2020-ec
continuous-time-signals
signals-and-systems
discrete-time-signals
impulse-response
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0
0 votes
0
0 answers
815
815 views
GATE ECE 2020 | Question: 6
A single crystal intrinsic semiconductor is at a temperature of $300$ $\text{K}$ with effective density of states for holes twice that of electrons. The thermal voltage i...
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815
views
asked
Feb 13, 2020
Digital Circuits
gate2020-ec
digital-circuits
semiconductor
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–
0
0 votes
0
0 answers
719
719 views
GATE ECE 2020 | Question: 7
Consider the recombination process via bulk traps in a forward biased $pn$ homojunction diode. The maximum recombination rate is $U_{\text{max}}$. If the electron and the...
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719
views
asked
Feb 13, 2020
Electronic Devices
gate2020-ec
electronic-devices
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1
1 vote
0
0 answers
1.2k
1.2k views
GATE ECE 2020 | Question: 8
The components in the circuit shown below are ideal. If the op-amp is in positive feedback and the input voltage $V_{i}$ is a sine wave of amplitude $1$ $\text{V}$, the o...
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1.2k
views
asked
Feb 13, 2020
Communications
gate2020-ec
analog-communications
amplitude-modulation
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–
0
0 votes
0
0 answers
969
969 views
GATE ECE 2020 | Question: 9
In the circuit shown below, the Thevenin voltage $V_{TH}$is $2.4\:V$$2.8\:V$$3.6\:V$$4.5\:V$
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969
views
asked
Feb 13, 2020
Network Solution Methods
gate2020-ec
network-solution-methods
thevenin-theorem
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–
4
4 votes
1
1 answer
1.5k
1.5k views
GATE ECE 2020 | Question: 10
The figure below shows a multiplexer where $S_{1}$ and $S_{0}$ are the select lines, $I_{0}$ to $I_{3}$ are the input data lines, $\text{EN}$ is the enable line, and $\te...
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1.5k
views
asked
Feb 13, 2020
Number Representations
gate2020-ec
digital-circuits
combinational-circuits
multiplexers
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–
0
0 votes
0
0 answers
878
878 views
GATE ECE 2020 | Question: 11
The pole-zero map of a rational function $G(s)$ is shown below. When the closed contour $\Gamma$ is mapped into the $G(s)$-plane, then the mapping encircles ...
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878
views
asked
Feb 13, 2020
Continuous-time Signals
gate2020-ec
continuous-time-signals
poles-and-zeros
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–
0
0 votes
0
0 answers
815
815 views
GATE ECE 2020 | Question: 12
A digital communication system transmits a block of $N$ bits. The probability of error in decoding a bit is $\alpha$. The error event of each bit is independent of the er...
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815
views
asked
Feb 13, 2020
Communications
gate2020-ec
digital-communications
analog-communications
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–
0
0 votes
0
0 answers
536
536 views
GATE ECE 2020 | Question: 13
The impedances $Z=jX,$ for all $X$ in the range $\left ( -\infty ,\infty \right )$, map to the Smith chart asa circle of radius $1$ with centre at $(0, 0)$.a point at the...
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536
views
asked
Feb 13, 2020
Electromagnetics
gate2020-ec
impedance
electromagnetics
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–
0
0 votes
0
0 answers
564
564 views
GATE ECE 2020 | Question: 14
Which one of the following pole-zero plots corresponds to the transfer function of an $\text{LTI}$ system characterized by the input-output difference equation given belo...
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564
views
asked
Feb 13, 2020
Continuous-time Signals
gate2020-ec
poles-and-zeros
continuous-time-signals
+
–
0
0 votes
0
0 answers
847
847 views
GATE ECE 2020 | Question: 15
In the given circuit, the two-port network has the impedance matrix $\begin{bmatrix} Z \end{bmatrix}=\begin{bmatrix} 40 & 60\\ 60& 120 \end{bmatrix}$. The value of $Z_{L}...
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847
views
asked
Feb 13, 2020
Network Solution Methods
gate2020-ec
numerical-answers
network-solution-methods
two-port-network
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–
0
0 votes
0
0 answers
740
740 views
GATE ECE 2020 | Question: 16
The current in the $\text{RL}$-circuit shown below is $i\left ( t \right )=10\cos\left ( 5t-\pi /4 \right )A$. The value of the inductor $\text{(rounded off to two decima...
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740
views
asked
Feb 13, 2020
Network Solution Methods
gate2020-ec
numerical-answers
network-solution-methods
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1
1 vote
1
1 answer
869
869 views
GATE ECE 2020 | Question: 18
In the circuit shown below, all the components are ideal. If $V_{i}$ is $+2\:V$, the current $I_{o}$ sourced by the op-amp is __________ $\text{mA}$.
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869
views
asked
Feb 13, 2020
Analog Circuits
gate2020-ec
numerical-answers
op-amp-circuits
analog-circuits
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–
0
0 votes
0
0 answers
580
580 views
GATE ECE 2020 | Question: 20
A $10$-bit D/A converter is calibrated over the full range from $0$ to $10$ V. If the input to the D/A converter is $13 \:A$ (in hex), the output ( rounded off to three d...
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580
views
asked
Feb 13, 2020
Digital Circuits
gate2020-ec
numerical-answers
digital-circuits
data-converters
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–
0
0 votes
0
0 answers
648
648 views
GATE ECE 2020 | Question: 22
A binary random variable $X$ takes the value $+2$ or $-2$. The probability $P(X=+2)=\alpha $. The value of $\alpha$ (rounded off to one decimal place), for which the entr...
go_editor
648
views
asked
Feb 13, 2020
Communications
gate2020-ec
numerical-answers
entropy
analog-communications
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–
0
0 votes
0
0 answers
806
806 views
GATE ECE 2020 | Question: 24
The random variable $$Y=\int_{-\infty }^{\infty }W\left ( t \right )\phi \left ( t \right )dt, \text{ where } \phi \left ( t \right )=\begin{cases} 1; & 5\leq t\leq 7 &\\...
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806
views
asked
Feb 13, 2020
Vector Analysis
gate2020-ec
numerical-answers
vector-analysis
gauss-theorem
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