GO Electrical
Ask us anything
Toggle navigation
GO Electrical
Email or Username
Password
Remember
Login
Register
|
I forgot my password
Activity
Questions
Hot!
Unanswered
Tags
Subjects
Users
Ask
New Blog
Blogs
Exams
Most viewed questions
Recent
Hot!
Most votes
Most answers
Most views
Featured
Previous GATE
Recent
Hot!
Most votes
Most answers
Most views
Featured
Previous GATE
0
votes
1
answer
1
GATE2013-58
Complete the sentence: Dare _______________ mistakes. commit to commit committed committing
asked
Feb 12, 2017
in
Verbal Ability
by
piyag476
(
1.5k
points)
gate2013-ee
verbal-ability
grammar
vocabulary
0
votes
0
answers
2
GATE2015-1-50
A $200/400$ V, $50$ Hz, two-winding transformer is rated at $20$ kVA. Its windings are connected as an auto-transformer of rating $200/600$ V. A resistive load of $12 \Omega$ is connected to the high voltage ($600$ V) side of the auto-transformer. The value of equivalent load resistance (in Ohm) as seen from low voltage side is _________.
asked
Feb 12, 2017
in
new
by
makhdoom ghaya
(
9.2k
points)
gate2015-ee-1
two-winding
transformer
auto-transformer
numerical-answers
0
votes
0
answers
3
GATE2018-4
Four power semiconductor devices are shown in the figure along with their relevant terminals. The device(s) that can carry dc current continuously in the direction shown when gated appropriately is (are) Triac only Triac and MOSFET Triac and GTO Thyristor and Triac
asked
Feb 19, 2018
in
new
by
Arjun
(
5.4k
points)
gate2018-ee
0
votes
1
answer
4
GATE2018-14
In the logic circuit shown in the figure, $Y$ is given by $Y=ABCD$ $Y=(A+B)(C+D)$ $Y=A+B+C+D$ $Y=AB+CD$
asked
Feb 19, 2018
in
new
by
Arjun
(
5.4k
points)
gate2018-ee
0
votes
0
answers
5
GATE2017-2-49
For the synchronous sequential circuit shown below, the output $Z$ is zero for the initial conditions $Q_{A}, Q_{B}, Q_{C}= Q'_{A}, Q'_{B}, Q'_{C}=100$ The minimum number of clock cycles after which the output $Z$ would again become zero is _________.
asked
Feb 27, 2017
in
new
by
Arjun
(
5.4k
points)
gate2017-ee-2
numerical-answers
0
votes
0
answers
6
GATE2018-51
A $3$-phase $900$ kVA, $3 \: kV/ \sqrt{3} kV$ ( $\Delta/$), $50$ Hz transformer has primary (high voltage side) resistance per phase of $0.3 \: \Omega$ and secondary (low voltage side) resistance per phase of $0.02 \: \Omega$. Iron loss of the transformer is $10 \: kW$. The full load $\%$ efficiency of the transformer operated at unity power factor is _______ (up to $2$ decimal places)
asked
Feb 19, 2018
in
new
by
Arjun
(
5.4k
points)
gate2018-ee
numerical-answers
+1
vote
1
answer
7
GATE2017-2-1
An urn contains $5$ red balls and $5$ black balls. In the first draw, one ball is picked at random and discarded without noticing its colour. The probability to get a Red ball in the second draw is $\frac{1}{2} \\$ $\frac{4}{9} \\$ $\frac{5}{9} \\$ $\frac{6}{9} $
asked
Feb 27, 2017
in
new
by
Arjun
(
5.4k
points)
gate2017-ee-2
0
votes
1
answer
8
GATE2019 EE: GA-1
I am not sure if the bus that has been booked will be able to ______ all the students. sit deteriorate fill accommodate
asked
Feb 12
in
Verbal Ability
by
Arjun
(
5.4k
points)
gate2019-ee
general-aptitude
verbal-ability
most-appropriate-word
0
votes
0
answers
9
GATE2019 EE: 39
If $\textbf{A}= 2x \textbf{i} + 3y \textbf{j} +4z \textbf{k}$ and $u=x^2+y^2+z^2$, then $\text{div} \big(u \textbf{A} \big)$ at $(1,1,1)$ is _______
asked
Feb 12
in
new
by
Arjun
(
5.4k
points)
gate2019-ee
numerical-answers
0
votes
0
answers
10
GATE2014-2-52
In an $8085$ microprocessor, the following program is executed Address location – Instruction 2000H XRA A 2001H MVI B,04H 2003H MVI A, 03H 2005H RAR 2006H DCR B 2007H JNZ 2005 200AH HLT At the end of program, register A contains $60H$ $30H$ $06H$ $03H$
asked
Feb 12, 2017
in
Electrical and Electronic Measurements
by
makhdoom ghaya
(
9.2k
points)
gate2014-ee-2
registers
programming
0
votes
0
answers
11
GATE2015-1-36
A parallel plate capacitor is partially filled with glass of dielectric constant $4.0$ as shown below. The dielectric strengths of air and glass are $30$ kV/cm and $300$ kV/cm, respectively. The maximum voltage (in kilovolts), which can be applied across the capacitor without any breakdown, is ______.
asked
Feb 12, 2017
in
Electromagnetic Fields
by
makhdoom ghaya
(
9.2k
points)
gate2015-ee-1
dielectric
parallel-plate-capacitor
numerical-answers
0
votes
0
answers
12
GATE2014-1-23
The magnitude of the mid-band voltage gain of the circuit shown in figure is $($assuming $h_{fe}$ of the transistor to be $100)$ $1$ $10$ $20$ $100$
asked
Feb 12, 2017
in
Electrical and Electronic Measurements
by
makhdoom ghaya
(
9.2k
points)
gate2014-ee-1
voltage-gain
mid-band-votage
0
votes
0
answers
13
GATE2014-1-46
A system matrix is given as follows. $A=\begin{bmatrix} 0 & 1 & -1\\ -6 & -11 &6 \\ -6& -11& 5 \end{bmatrix}$ The absolute value of the ratio of the maximum eigenvalue to the minimum eigenvalue is _______
asked
Feb 12, 2017
in
Linear Algebra
by
makhdoom ghaya
(
9.2k
points)
gate2014-ee-1
linear-algebra
eigen-values
eigen-matrix
numerical-answers
0
votes
0
answers
14
GATE2014-1-18
The root locus of a unity feedback system is shown in the figure The closed loop transfer function of the system is $\frac{C(s)}{R(s)}=\frac{K}{(s+1)(s+2)}$ $\frac{C(s)}{R(s)}=\frac{-K}{(s+1)(s+2)+K}$ $\frac{C(s)}{R(s)}=\frac{K}{(s+1)(s+2)-K}$ $\frac{C(s)}{R(s)}=\frac{K}{(s+1)(s+2)+K}$
asked
Feb 12, 2017
in
Control Systems
by
makhdoom ghaya
(
9.2k
points)
gate2014-ee-1
stability
bode-plot
0
votes
0
answers
15
GATE2017-1-4
A solid iron cylinder is placed in a region containing a uniform magnetic field such that the cylinder axis is parallel to the magnetic field direction. The magnetic field lines inside the cylinder will Bend closer to the cylinder axis Bend farther away from the axis Remain uniform as before Cease to exist inside the cylinder
asked
Feb 27, 2017
in
new
by
Arjun
(
5.4k
points)
gate2017-ee-1
0
votes
0
answers
16
GATE2017-2-24
The nominal- $\pi$ circuit of a transmission line is shown in the figure. Impedance $Z=100 \angle 80^{\circ} \Omega$ and reactance $X=3300 \Omega$. The magnitude of the characteristic impedance of the transmission line, in $\Omega$, is __________. (Give the answer up to one decimal place.)
asked
Feb 27, 2017
in
new
by
Arjun
(
5.4k
points)
gate2017-ee-2
numerical-answers
0
votes
1
answer
17
GATE2019 EE: GA-2
The passengers were angry ______ the airline staff about the delay. on about with towards
asked
Feb 12
in
Verbal Ability
by
Arjun
(
5.4k
points)
gate2019-ee
general-aptitude
verbal-ability
prepositions
0
votes
1
answer
18
GATE2018-52
A $200$ V DC series motor, when operating from rated voltage while driving a certain load, draws $10$ A current and runs at $1000$ r.p.m. The total series resistance is $1 \: \Omega$. The magnetic circuit is assumed to be linear. At the same supply voltage, the load torque is increased by $44 \%$. The speed of the motor in r.p.m (rounded to the nearest integer) is _____________
asked
Feb 19, 2018
in
new
by
Arjun
(
5.4k
points)
gate2018-ee
numerical-answers
0
votes
0
answers
19
GATE2014-3-51
A $3$-$bit$ gray counter is used to control the output of the multiplexer as shown in the figure. The initial state of the counter is $0002$. The output is pulled $high$. The output of the circuit follows the sequence $I_0$, $1$, $1$, $I_1$, $I_3$, $1$, $1$, $I_2$ $I_0$, $1$, $I_1$ ... , $I_0$, $1$, $I_1$, $I_2$, $1$, $I_3$,$1$ $I_0$, $I_1$, $I_2$, $I_3$, $I_0$, $I_1$, $I_2$, $I_3$
asked
Feb 12, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.2k
points)
gate2014-ee-3
binary-code
counter
multiplexer
0
votes
0
answers
20
GATE2018-18
Let $f$ be a real-valued function of a real variable defined as $f(x)=x – [x]$, where $[x]$ denotes the largest integer less than or equal to $x$. The value of $\int_{0.25}^{1.25} f(x) dx$ is _______ (up to $2$ decimal places).
asked
Feb 19, 2018
in
new
by
Arjun
(
5.4k
points)
gate2018-ee
numerical-answers
0
votes
0
answers
21
GATE2015-1-41
Consider the economic dispatch problem for a power plant having two generating units. The fuel costs in Rs/MWh along with the generation limits for the two units are given below: $C_{1}(P_{1})=0.01P^{2}_{1}+30P_{1}+10 ; 100MW \leq P_{1}\leq 150MW$ ... $200$ MW is _______.
asked
Feb 12, 2017
in
Power Systems
by
makhdoom ghaya
(
9.2k
points)
gate2015-ee-1
economic-dispatch
incremental-cost
numerical-answers
0
votes
0
answers
22
GATE2012-63
Raju has $14$ currency notes in his pocket consisting of only Rs. $20$ notes and Rs. $10$ notes. The total money value of the notes is Rs. $230$. The number of Rs. $10$ notes that Raju has is $5$ $6$ $9$ $10$
asked
Mar 24, 2018
in
Numerical Ability
by
Andrijana3306
(
1.4k
points)
gate2012-ee
0
votes
0
answers
23
GATE2018-50
The figure shows two buck converters connected in parallel. The common input dc voltage for the converters has a value of $100 \: V$. The converters have inductors of identical value. The load resistance is $1 \: \Omega$. The capacitor voltage has negligible ripple. Both ... average value of $i_{s1}$, the current of switch $S1$ (in Ampere), is ____________ (up to $2$ decimal places).
asked
Feb 19, 2018
in
new
by
Arjun
(
5.4k
points)
gate2018-ee
numerical-answers
0
votes
0
answers
24
GATE2014-3-8
The driving point impedance $Z(s)$ for the circuit shown below is $\frac{s^4+3s^2+1}{s^3+2s} \\ $ $\frac{s^4+2s^2+1}{s^2+2} \\ $ $\frac{s^2+1}{s^4+s^2+1} \\$ $\frac{s^3+1}{s^4+s^2+1}$
asked
Feb 12, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.2k
points)
gate2014-ee-3
passive-loads
driving
point
impedance
0
votes
0
answers
25
GATE2014-3-4
Lifetime of an electric bulb is a random variable with density $f(x)=kx^2$ , where $x$ is measured in years. If the minimum and maximum lifetimes of bulb are $1$ and $2$ years respectively, then the value of k is ________.
asked
Feb 12, 2017
in
Probability & Statistics
by
makhdoom ghaya
(
9.2k
points)
gate2014-ee-3
random-variable
probability-density-function
numerical-answers
0
votes
0
answers
26
GATE2015-1-26
The maximum value of "a" such that the matrix $\begin{pmatrix} -3&0&-2 \\ 1&-1&0 \\ 0&a&-2 \end{pmatrix}$ has three linearly independent real eigenvectors is $\frac{2}{3\sqrt{3}}$ $\frac{1}{3\sqrt{3}}$ $\frac{1+2\sqrt{3}}{3\sqrt{3}}$ $\frac{1+\sqrt{3}}{3\sqrt{3}}$
asked
Feb 12, 2017
in
Linear Algebra
by
makhdoom ghaya
(
9.2k
points)
gate2015-ee-1
eigen-values
eigen-matrix
0
votes
0
answers
27
GATE2019 EE: GA-8
An award-winning study by a group of researchers suggests that men are as prone to buying on impulse as women but women feel more guilty about shopping. which one of the following statements can be inferred from the given text? Some men and women indulge ... indulge in buying on impulse Few men and women indulge in buying on impulse Many men and women indulge in buying on impulse
asked
Feb 12
in
Verbal Ability
by
Arjun
(
5.4k
points)
gate2019-ee
general-aptitude
verbal-ability
passage-reading
0
votes
0
answers
28
GATE2014-3-GA-6
A dance programme is scheduled for $10.00$ $a.m$. Some students are participating in the programme and they need to come an hour earlier than the start of the event. These students should be accompanied by a parent. Other students and parents should come in time for the programme ... $9.00$ $a.m$. All others should come at $10.00$ $a.m$.
asked
Feb 12, 2017
in
Numerical Ability
by
makhdoom ghaya
(
9.2k
points)
gate2014-ee-3
general-mathematics
logical
0
votes
0
answers
29
GATE2016-2-39
The open loop transfer function of a unity feedback control system is given by $G(s)=\frac{k(s+1)}{s(1+Ts)(1+2S)'}, K > 0, T > 0.$ The closed loop system will be stable if $0 < T < \frac{4(K+1)}{K-1}$ $0 < K < \frac{4(T+2)}{T-2}$ $0 < K < \frac{T+2}{T-2}$ $0 < T < \frac{8(k+1)}{K-1}$
asked
Jan 30, 2017
in
Control Systems
by
makhdoom ghaya
(
9.2k
points)
gate2016-ee-2
transfer-function
unity-feedback-control-system
0
votes
0
answers
30
GATE2019 EE: 20
A co-axial Cylindrical capacitor is shown in the Figure(i) has dielectric with relative permittivity $\varepsilon_{r1} = 2$. When one – fourth portion of the dielectric is replaced with another dielectric of relative permittivity $\varepsilon_{r2}$, as shown in the Figure(ii), the capacitance is doubled. The value of $\varepsilon_{r2}$ is _________.
asked
Feb 12
in
new
by
Arjun
(
5.4k
points)
gate2019-ee
numerical-answers
0
votes
0
answers
31
GATE2015-2-6
A $3$-phase balanced load which has a power factor of $0.707$ is connected to a balanced supply. The power consumed by the load is $5$ kW. The power is measured by the two-wattmeter method. The readings of the two wattmeters are $3.94$ kW and $1.06$ kW $2.50$ kW and $2.50$ kW $5.00$ kW and $0.00$ kW $2.96$ kW and $2.04$ kW
asked
Feb 12, 2017
in
Power Systems
by
makhdoom ghaya
(
9.2k
points)
gate2015-ee-2
balanced-operation
power-measurement
0
votes
0
answers
32
GATE2019 EE: GA-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
asked
Feb 12
in
Verbal Ability
by
Arjun
(
5.4k
points)
gate2019-ee
general-aptitude
verbal-ability
verbal-reasoning
0
votes
0
answers
33
GATE2018-54
The equivalent circuit of a single phase induction motor is shown in the figure, where the parameters are $R_1 =R_2=X_{l1}=X_{l2} = 12 \Omega$, $X_M=240 \: \Omega$ and $S$ is the slip. At no-load, the motor speed can be approximated to the synchronous speed. The no-load lagging power factor of the motor is __________ (up to $3$ decimal places).
asked
Feb 19, 2018
in
new
by
Arjun
(
5.4k
points)
gate2018-ee
numerical-answers
0
votes
0
answers
34
GATE2014-3-16
A $183$-bus power system has $150$ $PQ$ buses and $32$ $PV$ buses. In the general case, to obtain the load flow solution using Newton-Raphson method in polar coordinates, the minimum number of simultaneous equations to be solved is ___________.
asked
Feb 12, 2017
in
Power Systems
by
makhdoom ghaya
(
9.2k
points)
gate2014-ee-3
slack-bus
line-losses
numerical-answers
0
votes
0
answers
35
GATE2018-41
In the circuit shown in the figure, the bipolar junction transistor (BJT) has a current gain $\beta = 100$. The base-emitter voltage drop is a constant, $V_{BE}=0.7 \: V$. The value of the Thevenin equivalent resistance $R_{Th}$ (in $\Omega$) as shown in the figure is _________ (up to $2$ decimal places)
asked
Feb 19, 2018
in
new
by
Arjun
(
5.4k
points)
gate2018-ee
numerical-answers
0
votes
0
answers
36
GATE2017-1-GA-10
A contour line joins locations having the same height above the mean sea level. The following is a contour plot of a geographical region. Contour lines are shown at $25$m intervals in this plot. If in a flood, the water level rises to $525$m, which of the villages $P, Q, R, S, T$ get submerged? $P, Q$ $P, Q, T$ $R, S, T$ $Q, R, S$
asked
Feb 27, 2017
in
Numerical Ability
by
Arjun
(
5.4k
points)
gate2017-ee-1
0
votes
0
answers
37
GATE2014-1-20
In an oscilloscope screen, linear sweep is applied at the vertical axis horizontal axis origin both horizontal and vertical axis
asked
Feb 12, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.2k
points)
gate2014-ee-1
oscilloscope
linear
sweep
0
votes
0
answers
38
GATE2019 EE: GA-3
The missing number in the given sequence $343,1331,$_____$,4913$ is $3375$ $2744$ $2197$ $4096$
asked
Feb 12
in
Numerical Ability
by
Arjun
(
5.4k
points)
gate2019-ee
general-aptitude
numerical-ability
sequence-series
0
votes
0
answers
39
GATE2017-2-GA-9
The number of roots of $e^{x}+0.5x^{2}-2=0$ in the range $[-5, 5]$ is $0$ $1$ $2$ $3$
asked
Feb 27, 2017
in
Numerical Ability
by
Arjun
(
5.4k
points)
gate2017-ee-2
0
votes
0
answers
40
GATE2017-1-51
Consider a causal and stable $LTI$ system with rational transfer function $H(z)$, whose corresponding impulse response begins at $n=0$. Furthermore, $H(1)=\frac{5}{4}$. The poles of $H(z)$ are $p_{k}=\frac{1}{\sqrt{2}} \text{exp}(j\frac{(2k-1)\pi}{4})$ ... all at $z=0$. Let $g[n]=j^{n}h[n]$. The value of $g[8]$ equals __________. (Give the answer up to three decimal places.)
asked
Feb 27, 2017
in
new
by
Arjun
(
5.4k
points)
gate2017-ee-1
numerical-answers
Page:
« prev
1
2
3
4
5
...
22
next »
Welcome to GATE Overflow, Electrical, where you can ask questions and receive answers from other members of the community.
All categories
Engineering Mathematics
76
Electrical Circuits
59
Electromagnetic Fields
27
Signals and Systems
40
Electrical Machines
44
Power Systems
71
Control Systems
40
Electrical and Electronic Measurements
16
Analog and Digital Electronics
55
Others
306
General Aptitude
112
Follow @csegate
Gatecse
847
questions
37
answers
10
comments
26,084
users