Recent activity - GO Electrical

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GATE Electrical 2021 | GA Question: 9
The number of students passing or failing in an exam for a particular subject is presented in the bar chart above. Students who pass the exam cannot appear for the exam again. Students who fail the exam in the first attempt must appear for the exam in the following ... $65$ and $53$ $60$ and $50$ $55$ and $53$ $55$ and $48$

edited Apr 22 in Numerical Ability by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2020 | GA Question: 10
The revenue and expenditure of four different companies $\text{P, Q, R and S}$ in $2015$ are shown in the figure. If the revenue of company $\text{Q}$ in $2015$ was $20$% more than that in $2014$, and company $\text{Q}$ had earned a profit of ... expenditure in $2014$, then its expenditure (in million rupees) in $2014$ was _______. $32.7$ $33.7$ $34.1$ $35.1$

edited Apr 22 in Numerical Ability by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2020 | GA Question: 8
In four-digit integer numbers from $1001$ to $9999$, the digit group $\text{“37”}$ (in the same sequence) appears ________ times. $270$ $279$ $280$ $299$

commented Apr 11 in Analytical Aptitude by Arjun (7.8k points)

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GATE Electrical 2021 | GA Question: 5
$\textit{Oasis}$ is to $\textit{sand}$ as $\textit{island}$ is to _____________ Which one of the following options maintains a similar logical relation in the above sentence? Stone Land Water Mountain

recategorized Apr 11 in Verbal Ability by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2021 | GA Question: 8
Let $X$ be a continuous random variable denoting the temperature measured. The range of temperature is $[0, 100]$ degree Celsius and let the probability density function of $X$ be $f\left ( x \right )=0.01$ for $0\leq X\leq 100$. The mean of $X$ is __________ $2.5$ $5.0$ $25.0$ $50.0$

recategorized Apr 11 in Numerical Ability by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2021 | GA Question: 6
The importance of sleep is often overlooked by students when they are preparing for exams. Research has consistently shown that sleep deprivation greatly reduces the ability to recall the material learnt. Hence, cutting down on sleep to study longer hours can ... he needs little or no sleep. To do well in an exam, adequate sleep must be part of the preparation.

recategorized Apr 11 in Verbal Ability by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2021 | GA Question: 7
In the figure shown above, each inside square is formed by joining the midpoints of the sides of the next larger square. The area of the smallest square (shaded) as shown, in $\text{cm}^{2}$ is: $12.50$ $6.25$ $3.125$ $1.5625$

recategorized Apr 11 in Numerical Ability by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2021 | GA Question: 4
Which one of the following numbers is exactly divisible by $\left ( 11^{13} +1\right )$? $11^{26} +1$ $11^{33} +1$ $11^{39} -1$ $11^{52} -1$

recategorized Apr 11 in Numerical Ability by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2021 | GA Question: 3
For a regular polygon having $10$ sides, the interior angle between the sides of the polygon, in degrees, is: $396$ $324$ $216$ $144$

recategorized Apr 11 in Spatial Aptitude by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2021 | GA Question: 2
A transparent square sheet shown above is folded along the dotted line. The folded sheet will look like ________________.

recategorized Apr 11 in Spatial Aptitude by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2021 | GA Question: 1
The people _______________ were at the demonstration were from all sections of society. whose which who whom

recategorized Apr 11 in Verbal Ability by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2021 | Question: 43
Consider a continuous-time signal $x(t)$ defined by $x(t)=0$ for $\left | t \right |> 1$, and $x\left ( t \right )=1-\left | t \right |$ for $\left | t \right |\leq 1$. Let the Fourier transform of $x(t)$ ... $X\left ( \omega \right )$ is ___________.

recategorized Apr 11 in Transform Theory by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2021 | GA Question: 10
Seven cars $\text{P, Q. R, S, T, U and V}$ are parked in a row not necessarily in that order. The cars $T$ and $U$ should be parked next to each other. The cars $S$ and $V$ also should be parked next to each other, whereas $P$ and $Q$ ... and $R$ are not parked together. $V$ is the only car parked in between $S$ and $R$. Car $P$ is parked at the extreme end.

recategorized Apr 11 in Analytical Aptitude by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2021 | Question: 1
Let $p$ and $q$ be real numbers such that $p^{2}+q^{2}=1$ . The eigenvalues of the matrix $\begin{bmatrix} p & q\\ q& -p \end{bmatrix}$are $1$ and $1$ $1$ and $-1$ $j$ and $-j$ $pq$ and $-pq$

recategorized Apr 11 in Linear Algebra by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2021 | Question: 3
Let $f\left ( x \right )$ be a real-valued function such that ${f}'\left ( x_{0} \right )=0$ for some $x _{0} \in\left ( 0,1 \right ),$ and ${f}''\left ( x \right )> 0$ for all $x \in \left ( 0,1 \right )$ ... $(0,1)$ one local maximum in $(0,1)$ exactly one local minimum in $(0,1)$ two distinct local minima in $(0,1)$

recategorized Apr 11 in Calculus by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2021 | Question: 5
Which one of the following vector functions represents a magnetic field $\overrightarrow{B}$? $\text{($\hat{X}, \hat{Y}$ and $\hat{Z}$ are unit vectors along x-axis, y-axis, and z-axis, respectively)}$ $10x\hat{X}+20y\hat{Y}-30z\hat{Z}$ $10y\hat{X}+20x\hat{Y}-10z\hat{Z}$ $10z\hat{X}+20y\hat{Y}-30x\hat{Z}$ $10x\hat{X}-30z\hat{Y}+20y\hat{Z}$

recategorized Apr 11 in Calculus by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2021 | Question: 13
Suppose the circles $x^{2}+y^{2}=1$ and $\left ( x-1\right )^{2}+\left ( y-1 \right )^{2}=r^{2}$ intersect each other orthogonally at the point $\left ( u,v \right )$. Then $u+v=$ _______________.

recategorized Apr 11 in Calculus by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2021 | Question: 26
In the open interval $\left ( 0,1 \right )$, the polynomial $p\left ( x \right) =x^{4}-4x^{3}+2$ has two real roots one real root three real roots no real roots

recategorized Apr 11 in Calculus by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2021 | Question: 28
Let $\left ( -1 -j \right ), \left ( 3 -j \right ), \left ( 3 + j \right )$ and $\left ( -1+ j \right )$ be the vertices of a rectangle $C$ in the complex plane. Assuming that $C$ is traversed in counter-clockwise direction, the value of the contour integral $\oint _{C}\dfrac{dz}{z^{2}\left ( z-4 \right )}$ is $j\pi /2$ $0$ $-j\pi /8$ $j\pi /16$

recategorized Apr 11 in Calculus by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2021 | Question: 32
Let $f(t)$ be an even function, i.e. $f(-t)=f(t)$ for all $t$. Let the Fourier transform of $f(t)$ be defined as $F\left ( \omega \right )=\int\limits_{-\infty }^{\infty }\:f\left ( t \right )e^{-j\omega t}dt$ ... $f\left ( 0 \right )< 1$ $f\left ( 0 \right )> 1$ $f\left ( 0 \right )= 1$ $f\left ( 0 \right )= 0$

recategorized Apr 11 in Transform Theory by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2021 | Question: 37
A counter is constructed with three $D$ flip-flops. The input-output pairs are named $(D_{0},\:Q_{0})$, $(D_{1},\:Q_{1})$ and $(D_{2},\:Q_{2})$, where the subscript $0$ denotes the least significant bit. The output sequence is desired to be the Gray- ... $\overline{Q_{2}}Q_{0}+Q_{1}\overline{Q_{0}}$ $Q_{2}Q_{1}+\overline{Q_{2}}\:\overline{Q_{1}}$

recategorized Apr 11 in Analog and Digital Electronics by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2021 | Question: 38
Let $A$ be a $10\times10$ matrix such that $A^{5}$ is a null matrix, and let $I$ be the $10\times10$ identity matrix. The determinant of $\text{A+I}$ is ___________________.

recategorized Apr 11 in Linear Algebra by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2021 | Question: 2
Let $p\left ( z\right )=z^{3}+\left ( 1+j \right )z^{2}+\left ( 2+j \right )z+3$, where $z$ ... $p\left ( z \right )=0$ come in conjugate pairs All the roots cannot be real

recategorized Apr 11 in Complex Variables by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2020 | GA Question: 2
People were prohibited_____their vehicles near the entrance of the main administrative building. to park from parking parking to have parked

answer selected Apr 10 in Verbal Ability by Lakshman Patel RJIT (3.7k points)

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GATE Electrical 2020 | GA Question: 6
Non-performing Assets $\text{(NPAs)}$ of a bank in India is defined as an asset, which remains unpaid by a borrower for a certain period of time in terms of interest, principal, or both. Reserve Bank of India $\text{(RBI)}$ has changed the ... the holding period of loans in $\text{2004}$ after the third revision was ______ days. $45$ $90$ $135$ $180$

answer selected Apr 10 in Analytical Aptitude by Arjun (7.8k points)

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GATE Electrical 2020 | GA Question: 3
Select the word that fits the analogy: Do : Undo :: Trust : ______ Entrust Intrust Distrust Untrust

answer selected Apr 10 in Verbal Ability by Arjun (7.8k points)

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GATE Electrical 2020 | GA Question: 1
This book, including all its chapters, _______interesting. The students as well as the instructor _______ in agreement about it. is, was are, are is, are were, was

answer selected Apr 10 in Verbal Ability by Arjun (7.8k points)

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GATE Electrical 2020 | GA Question: 5
If $\text{P, Q, R, S}$ are four individuals, how many teams of size exceeding one can be formed, with $\text{Q}$ as a member? $5$ $6$ $7$ $8$

answer selected Apr 5 in Numerical Ability by gatecse (160 points)

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GATE Electrical 2020 | GA Question: 9
Given a semicircle with $\text{O}$ as the centre, as shown in the figure, the ratio $\dfrac{\overline{AC}+\overline{CB}}{\overline{AB}}$ is _______, where $\overline{AC}$, $\overline{CB}$ and $\overline{AB}$ are chords. $\sqrt{2}$ $\sqrt{3}$ $2$ $3$

answer selected Apr 5 in Numerical Ability by gatecse (160 points)

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GATE Electrical 2021 | Question: 29
In the circuit, switch '$S$' is in the closed position for a very long time. If the switch is opened at time $t = 0$, then in $i_{L} (t)$ amperes, for $t\geq0$ is $8e^{-10t}$ $10$ $8+2e^{-10t}$ $10\left ( 1-e^{-2t} \right )$

edited Mar 19 in new by soujanyareddy13 (100 points)

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GATE Electrical 2021 | Question: 20
The Bode magnitude plot for the transfer function $\frac{V_{o}\left ( s \right )}{V_{i}\left ( s \right )}$ of the circuit is as shown. The value of $R$ is _____________$\Omega$. (Round off to $2$ decimal places.)

edited Mar 19 in new by soujanyareddy13 (100 points)

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GATE Electrical 2014 Set 2 | GA Question: 10
At what time between $6$ $a.m.$ and $7 \: a.m.$ will the minute hand and hour hand of a clock make an angle closest to $60^\circ$? $6:22 \: a.m.$ $6:27 \: a.m.$ $6:38 \: a.m.$ $6:45 \: a.m.$

recategorized Mar 17 in Numerical Ability by Lakshman Patel RJIT (3.7k points)

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asked Mar 17 in new by Priyanka_Gupta_20 (120 points)

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GATE Electrical 2020 | Question: 1
$ax^{3}+bx^{2}+cx+d$ is a polynomial on real $\text{x}$ over real coefficients $\text{a, b, c, d}$ wherein $a\neq 0.$ Which of the following statements is true? $\text{d}$ can be chosen to ensure that $\text{x = 0}$ is a root for any ... $\text{a, b, c, d}$ can be chosen to ensure that all roots are complex. $\text{c}$ alone cannot ensure that all roots are real.

answered Mar 17 in Calculus by Adarsh Joshi (150 points)

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GATE Electrical 2016 Set 2 | Question: 42
The flux linkage $(\lambda)$ and current $(i)$ relation for an electromagnetic system is $\lambda=(\sqrt{i})/g$. When $i = 2A$ and $g$ (air-gap length) = $10$ cm, the magnitude of mechanical force on the moving part, in $N$, is __________.

answered Mar 17 in Electromagnetic Fields by Tar1188 (140 points)

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GATE Electrical 2018 | GA Question: 7
In a certain code, $AMCF$ is written as $EQGJ$ and $NKUF$ is written as $ROYJ.$ How will $DHLP$ be written in that code$?$ $RSTN$ $TLPH$ $HLPT$ $XSVR$

answered Mar 17 in Analytical Aptitude by Hira Thakur (280 points)

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GATE Electrical 2019 | GA Question: 3
The missing number in the given sequence $343,1331,$_____$,4913$ is $3375$ $2744$ $2197$ $4096$

answered Mar 17 in Analytical Aptitude by Hira Thakur (280 points)

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GATE Electrical 2019 | GA Question: 10
Consider five people- Mita, Ganga, Rekha, Lakshmi, and Sana. Ganga is taller than both Rekha and Lakshmi. Lakshmi is taller than Sana. Mita is taller than Ganga. Which of the following conclusions are true? Lakshmi is taller than Rekha Rekha is shorter than Mita Rekha is taller than Sana Sana is shorter than Ganga $1$ and $3$ $3$ only $2$ and $4$ $1$ only

answered Mar 17 in Analytical Aptitude by Hira Thakur (280 points)

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GATE Electrical 2014 Set 3 | GA Question: 4
Which number does not belong in the series below? $2$, $5$, $10$, $17$, $26$, $37$, $50$, $64$ $17$ $37$ $64$ $26$

answered Mar 17 in Analytical Aptitude by Hira Thakur (280 points)

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40

Gate 2000 signals and systems

asked Mar 17 in Signals and Systems by Hanuma (120 points)

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