GO Electronics
Login
Register
@
Dark Mode
Profile
Edit my Profile
Messages
My favorites
Register
Activity
Questions
Unanswered
Tags
Subjects
Users
Ask
New Blog
Previous
Blogs
Exams
Dark Mode
Filter
Recent
Hot!
Most votes
Most answers
Most views
Previous GATE
Featured
Recent questions
0
votes
0
answers
1
GATE ECE 2024 | GA Question: 1
If ' $\rightarrow$ ' denotes increasing order of intensity, then the meaning of the words [ charm $\rightarrow$ enamor $\rightarrow$ bewitch] is analogous to [bored $\rightarrow \_\_\_\_\_\_ \longrightarrow$ weary] Which one of the given options is appropriate to fill the blank? jaded baffled dead worsted
Arjun
asked
in
Others
Feb 17
by
Arjun
6.5k
points
1.0k
views
gateece-2024
0
votes
0
answers
2
GATE ECE 2024 | GA Question: 2
$\text{P, Q, R, S}$, and $\text{T}$ have launched a new startup. Two of them are siblings. The office of the startup has just three rooms. All of them agree that the siblings should not share the same room. If $\text{S}$ and $\text{Q}$ are single children ... and $\mathrm{T}$ $\mathrm{P}$ and $\mathrm{S}$ $\mathrm{T}$ and $\mathrm{Q}$ $\mathrm{T}$ and $\mathrm{R}$
Arjun
asked
in
Others
Feb 17
by
Arjun
6.5k
points
481
views
gateece-2024
0
votes
0
answers
3
GATE ECE 2024 | GA Question: 3
Five years ago, the ratio of Aman's age to his father's age was $1: 4$, and five years from now, the ratio will be $2:5$. What was his father's age when Aman was born? $28$ years $30$ years $35$ years $32$ years
Arjun
asked
in
Others
Feb 17
by
Arjun
6.5k
points
376
views
gateece-2024
0
votes
0
answers
4
GATE ECE 2024 | GA Question: 4
For a real number $x>1$, \[ \frac{1}{\log _{2} x}+\frac{1}{\log _{3} x}+\frac{1}{\log _{4} x}=1 \] The value of $x$ is $4$ $12$ $24$ $36$
Arjun
asked
in
Others
Feb 17
by
Arjun
6.5k
points
347
views
gateece-2024
0
votes
0
answers
5
GATE ECE 2024 | GA Question: 5
The greatest prime factor of $\left(3^{199}-3^{196}\right)$ is $13$ $17$ $3$ $11$
Arjun
asked
in
Others
Feb 17
by
Arjun
6.5k
points
388
views
gateece-2024
0
votes
0
answers
6
GATE ECE 2024 | GA Question: 6
Sequence the following sentences $(\mathrm{P}, \mathrm{Q}, \mathrm{R}, \mathrm{S})$ in a coherent passage: $\text{P}$: Shifu's student exclaimed, "Why do you run since the bull is an illusion?" $\text{Q}$: Shifu said, "Surely my running ... a bull gave him chase, Shifu began running for his life. $\text{SPRQ}$ $\text{SRPQ}$ $\text{RSPQ}$ $\text{RPQS}$
Arjun
asked
in
Others
Feb 17
by
Arjun
6.5k
points
438
views
gateece-2024
0
votes
0
answers
7
GATE ECE 2024 | GA Question: 7
Four identical cylindrical chalk-sticks, each of radius $r=0.5 \mathrm{~cm}$ and length $l=10 \mathrm{~cm}$, are bound tightly together using a duct tape as shown in the following figure. The width of the duct tape is equal to the length of the chalk-stick. The area ... to wrap the bundle of chalk-sticks once, is $20(4+\pi)$ $20(8+\pi)$ $10(8+\pi)$ $10(4+\pi)$
Arjun
asked
in
Others
Feb 17
by
Arjun
6.5k
points
419
views
gateece-2024
0
votes
0
answers
8
GATE ECE 2024 | GA Question: 8
The bar chart shows the data for the percentage of population falling into different categories based on Body Mass Index $\text{(BMI)}$ in $2003$ and $2023$. Based on the data provided, which one of the following options is INCORRECT? ... normal category has decreased in $20$ years. The percentage of population falling into normal category has decreased in $20$ years.
Arjun
asked
in
Others
Feb 17
by
Arjun
6.5k
points
502
views
gateece-2024
0
votes
0
answers
9
GATE ECE 2024 | GA Question: 9
Examples of mirror and water reflections are shown in the figures below: An object appears as the following image after first reflecting in a mirror and then reflecting on water. The original object is
Arjun
asked
in
Others
Feb 17
by
Arjun
6.5k
points
400
views
gateece-2024
0
votes
0
answers
10
GATE ECE 2024 | GA Question: 10
Two identical sheets $\text{A}$ and $\text{B}$, of dimensions $24 \mathrm{~cm} \times 16 \mathrm{~cm}$, can be folded into half using two distinct operations, $\text{FO1}$ or $\text{FO2}$. In $\text{FO1}$, the axis of folding remains parallel to the initial ... of the perimeters of the final shapes of $\text{A}$ and $\text{B}$ is $14:11$ $11: 14$ $18:11$ $11: 18$
Arjun
asked
in
Others
Feb 17
by
Arjun
6.5k
points
386
views
gateece-2024
0
votes
0
answers
11
GATE ECE 2024 | Question: 1
The general form of the complementary function of a differential equation is given by $y(t)=(A t+B) e^{-2 t}$, where $A$ and $B$ ...
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
424
views
gateece-2024
0
votes
0
answers
12
GATE ECE 2024 | Question: 2
In the context of Bode magnitude plots, $40 \mathrm{~dB} /$ decade is the same as $\_\_\_\_\_\_.$ $12 \mathrm{~dB} /$ octave $6 \mathrm{~dB} /$ octave $20 \mathrm{~dB} /$ octave $10 \mathrm{~dB} /$ octave
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
374
views
gateece-2024
0
votes
0
answers
13
GATE ECE 2024 | Question: 3
In the feedback control system shown in the figure below $G(s)=\frac{6}{s(s+1)(s+2)}$. $\text{R(s), Y(s)}$, and $\text{E(s)}$ are the Laplace transforms of $r(t), y(t)$, and $e(t)$, respectively. If the input $r(t)$ is a unit step function, ... $\lim _{t \rightarrow \infty} e(t)=\frac{1}{4}$ $\lim _{t \rightarrow \infty} e(t)$ does not exist, $e(t)$ is oscillatory
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
633
views
gateece-2024
0
votes
0
answers
14
GATE ECE 2024 | Question: 4
A digital communication system transmits through a noiseless bandlimited channel $[-W W]$. The received signal $z(t)$ at the output of the receiving filter is given by $z(t)=\sum_{n} b[n] x(t-n T)$ where $b[n]$ are the symbols and $x(t)$ is the overall system response to a ... $\sum_{m=-\infty}^{\infty} X(f+m T)=T$ $\sum_{m=-\infty}^{\infty} X(f+m T)=\frac{1}{T}$
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
340
views
gateece-2024
0
votes
0
answers
15
GATE ECE 2024 | Question: 5
Consider a lossless transmission line terminated with a short circuit as shown in the figure below. As one moves towards the generator from the load, the normalized impedances $z_{\text {inA }}, z_{i n B}, z_{i n C}$, and $z_{i n D}$ ... $z_{i n A}=+0.4 j \Omega, z_{i n B}=\infty, z_{i n C}=-0.4 j \Omega, z_{i n D}=0$
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
270
views
gateece-2024
0
votes
0
answers
16
GATE ECE 2024 | Question: 6
Let $\hat{i}$ and $\hat{j}$ be the unit vectors along $x$ and $y$ axes, respectively and let $A$ be a positive constant. Which one of the following statements is true for the vector fields $\overrightarrow{F_{1}}=A(\hat{i} y+\hat{j} x)$ ... Only $\vec{F}_{2}$ is an electrostatic field. Neither $\vec{F}_{1}$ nor $\vec{F}_{2}$ is an electrostatic field. .
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
293
views
gateece-2024
0
votes
0
answers
17
GATE ECE 2024 | Question: 7
In the circuit below, assume that the long channel $\text{NMOS}$ transistor is biased in saturation. The small signal trans-conductance of the transistor is $g_{m}$ ...
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
343
views
gateece-2024
0
votes
0
answers
18
GATE ECE 2024 | Question: 8
For the closed loop amplifier circuit shown below, the magnitude of open loop low frequency small signal voltage gain is $40$. All the transistors are biased in saturation. The current source $I_{S S}$ is ideal. Neglect body effect, channel length modulation and intrinsic device ... off to three decimal places) is $\_\_\_\_\_\_$. $0.976$ $1.000$ $1.025$ $0.488$
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
222
views
gateece-2024
0
votes
0
answers
19
GATE ECE 2024 | Question: 9
For the Boolean function \[ F(A, B, C, D)=\sum m(0,2,5,7,8,10,12,13,14,15) \text {, } \] the essential prime implicants are $\_\_\_\_\_\_$. $B D, \bar{B} \bar{D}$ $B D, A B$ $A B, \bar{B} \bar{D}$ $B D, \bar{B} \bar{D}, A B$
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
493
views
gateece-2024
0
votes
0
answers
20
GATE ECE 2024 | Question: 10
A white Gaussian noise $w(t)$ with zero mean and power spectral density $\frac{N_{0}}{2}$, when applied to a first-order RC low pass filter produces an output $n(t)$. At a particular time $t=t_{k}$, the variance of the random variable $n\left(t_{k}\right)$ is $\_\_\_\_\_\_\_$. $\frac{N_{0}}{4 R C}$ $\frac{N_{0}}{2 R C}$ $\frac{N_{0}}{R C}$ $\frac{2 N_{0}}{R C}$
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
302
views
gateece-2024
0
votes
0
answers
21
GATE ECE 2024 | Question: 11
A causal and stable $\text{LTI}$ system with impulse response $h(t)$ produces an output $y(t)$ for an input signal $x(t)$. A signal $x(0.5 t)$ is applied to another causal and stable $\text{LTI}$ system with impulse response $h(0.5 t)$. The resulting output is $\_\_\_\_\_\_\_$. $2 y(0.5 t)$ $4 y(0.5 t)$ $0.25 y(2 t)$ $0.25 y(0.25 t)$
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
415
views
gateece-2024
0
votes
0
answers
22
GATE ECE 2024 | Question: 12
For non-degenerately doped n-type silicon, which one of the following plots represents the temperature $(T)$ dependence of free electron concentration $(n)$ ?
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
387
views
gateece-2024
0
votes
0
answers
23
GATE ECE 2024 | Question: 13
In the circuit shown, the $n: 1$ step-down transformer and the diodes are ideal. The diodes have no voltage drop in forward biased condition. If the input voltage (in Volts) is $V_{s}(t)=10 \sin \omega t$ and the average value of load voltage $V_{L}(t)$ (in Volts) is $2.5 / \pi$, the value of $n$ is $\_\_\_\_\_\_\_$. $4$ $8$ $12$ $16$
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
412
views
gateece-2024
0
votes
0
answers
24
GATE ECE 2024 | Question: 14
For a causal discrete-time LTI system with transfer function \[ H(z)=\frac{2 z^{2}+3}{\left(z+\frac{1}{3}\right)\left(z-\frac{1}{3}\right)} \] which of the following statements is/are true? The system is stable. The system is a minimum phase system. The initial value of the impulse response is $2$. The final value of the impulse response is $0$.
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
466
views
gateece-2024
0
votes
0
answers
25
GATE ECE 2024 | Question: 15
Let $\rho(x, y, z, t)$ and $u(x, y, z, t)$ represent density and velocity, respectively, at a point $(x, y, z)$ and time $t$. Assume $\frac{\partial \rho}{\partial t}$ is continuous. Let $V$ be an arbitrary volume in space enclosed by the closed surface ... $\int_{V} \frac{\partial \rho}{\partial t} d v=\int_{V} \nabla \cdot(\rho u) d v$
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
377
views
gateece-2024
0
votes
0
answers
26
GATE ECE 2024 | Question: 16
The free electron concentration profile $n(x)$ in a doped semiconductor at equilibrium is shown in the figure, where the points $\mathrm{A}, \mathrm{B}$, and $\mathrm{C}$ mark three different positions. Which of the following statements is/are true? For $x$ ... $\mathrm{B}$ and $\mathrm{A}$, the electric field is directed from $\mathrm{A}$ to $\mathrm{B}$.
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
305
views
gateece-2024
0
votes
0
answers
27
GATE ECE 2024 | Question: 17
A machine has a $32$-bit architecture with $1$-word long instructions. It has $24$ registers and supports an instruction set of size $40$. Each instruction has five distinct fields, namely opcode, two source register identifiers, one destination register ... value. Assuming that the immediate operand is an unsigned integer, its maximum value is $\_\_\_\_\_\_$.
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
303
views
gateece-2024
numerical-answers
0
votes
0
answers
28
GATE ECE 2024 | Question: 18
An amplitude modulator has output (in Volts) \[ s(t)=A \cos (400 \pi t)+B \cos (360 \pi t)+B \cos (440 \pi t) . \] The carrier power normalized to $1 \Omega$ resistance is $50$ Watts. The ratio of the total sideband power to the total power is $1 / 9$. The value of $\text{B}$ (in Volts, rounded off to two decimal places) is $\_\_\_\_\_\_\_$.
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
347
views
gateece-2024
numerical-answers
0
votes
0
answers
29
GATE ECE 2024 | Question: 19
In a number system of base $r$, the equation $x^{2}-12 x+37=0$ has $x=8$ as one of its solutions. The value of $r$ is $\_\_\_\_\_\_\_$.
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
300
views
gateece-2024
numerical-answers
0
votes
0
answers
30
GATE ECE 2024 | Question: 20
Let $\mathbb{R}$ and $\mathbb{R}^{3}$ denote the set of real numbers and the three dimensional vector space over it, respectively. The value of $\alpha$ for which the set of vectors \[ \left\{\left[\begin{array}{lll} 2 & -3 & \alpha \end{array}\right], \quad\left ... ; 7 \end{array}\right]\right\} \] does not form a basis of $\mathbb{R}^{3}$ is $\_\_\_\_\_\_\_$.
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
333
views
gateece-2024
numerical-answers
0
votes
0
answers
31
GATE ECE 2024 | Question: 21
In the given circuit, the current $I_{x}$ (in $m A$ ) is $\_\_\_\_\_\_\_\_$.
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
394
views
gateece-2024
numerical-answers
0
votes
0
answers
32
GATE ECE 2024 | Question: 22
In the circuit given below, the switch $\text{S}$ was kept open for a sufficiently long time and is closed at time $t=0$. The time constant (in seconds) of the circuit for $t>0$ is $\_\_\_\_\_\_$.
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
210
views
gateece-2024
numerical-answers
0
votes
0
answers
33
GATE ECE 2024 | Question: 23
Suppose $\text{X}$ and $\text{Y}$ are independent and identically distributed random variables that are distributed uniformly in the interval $[0,1]$. The probability that $\text{X} \geq \text{Y}$ is $\_\_\_\_\_\_$.
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
375
views
gateece-2024
numerical-answers
0
votes
0
answers
34
GATE ECE 2024 | Question: 24
A source transmits symbols from an alphabet of size $16$. The value of maximum achievable entropy (in bits) is $\_\_\_\_\_\_$.
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
318
views
gateece-2024
numerical-answers
0
votes
0
answers
35
GATE ECE 2024 | Question: 25
As shown in the circuit, the initial voltage across the capacitor is $10 \mathrm{~V}$, with the switch being open. The switch is then closed at $t=0$. The total energy dissipated in the ideal Zener diode $\left(V_{Z}=5 \mathrm{~V}\right)$ after the switch is closed (in $\mathrm{mJ}$, rounded off to three decimal places) is $\_\_\_\_\_\_$.
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
355
views
gateece-2024
numerical-answers
0
votes
0
answers
36
GATE ECE 2024 | Question: 26
Consider the Earth to be a perfect sphere of radius $\text{R}$. Then the surface area of the region, enclosed by the $60^{\circ} \mathrm{N}$ latitude circle, that contains the north pole in its interior is $\_\_\_\_\_\_$. $(2-\sqrt{3}) \pi R^{2}$ $\frac{(\sqrt{2}-1) \pi R^{2}}{2}$ $\frac{2 \pi R^{2}}{3}$ $\frac{(2+\sqrt{3}) \pi R^{2}}{8 \sqrt{2}}$
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
300
views
gateece-2024
0
votes
0
answers
37
GATE ECE 2024 | Question: 27
Consider a unity negative feedback control system with forward path gain $G(s)=\frac{K}{(s+1)(s+2)(s+3)}$ as shown. The impulse response of the closed-loop system decays faster than $e^{-t}$ if $\_\_\_\_\_\_$. $1 \leq K \leq 5$ $7 \leq K \leq 21$ $-4 \leq K \leq-1$ $-24 \leq K \leq-6$
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
302
views
gateece-2024
0
votes
0
answers
38
GATE ECE 2024 | Question: 28
A satellite attitude control system, as shown below, has a plant with transfer function $G(s)=\frac{1}{s^{2}}$ cascaded with a compensator $C(s)=\frac{K(s+\alpha)}{s+4}$, where $K$ and $\alpha$ are positive real constants. In order for the closed-loop system to have poles at $-1 \pm j \sqrt{3}$, the value of $\alpha$ must be $\_\_\_\_\_\_$. $0$ $1$ $2$ $3$
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
385
views
gateece-2024
0
votes
0
answers
39
GATE ECE 2024 | Question: 29
A uniform plane wave with electric field $\vec{E}(x)=A_{y} \hat{a}_{y} e^{-j \frac{2 \pi x}{3}} \mathrm{~V} / \mathrm{m}$ is travelling in the air (relative permittivity, $\epsilon_{r}=1$ and relative permeability, $\mu_{r}=1$ ) in the $+x$ direction ( $A_{y}$ is a ... air (measured from $x=0$, in metres) is $\_\_\_\_\_\_\_$. $-\frac{3}{4}$ $-\frac{3}{2}$ $-6$ $-3$
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
153
views
gateece-2024
0
votes
0
answers
40
GATE ECE 2024 | Question: 30
A $4$-bit priority encoder has inputs $D_{3}, D_{2}, D_{1}$, and $D_{0}$ in descending order of priority. The two-bit output $A B$ is generated as $00,01,10$, and 11 corresponding to inputs $D_{3}, D_{2}, D_{1}$, and $D_{0}$, respectively. The ... $D_{3} \overline{D_{2}}+\overline{D_{3}} D_{1}$ $\overline{D_{3}} \overline{D_{1}}$
admin
asked
in
Others
Feb 17
by
admin
46.4k
points
281
views
gateece-2024
Page:
1
2
3
4
...
79
next »
Welcome to GO Electronics, where you can ask questions and receive answers from other members of the community.
Recent questions