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Recent questions tagged gate2014-ee-1
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1
GATE Electrical 2014 Set 1 | Question: 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 _______
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Linear Algebra
Feb 12, 2017
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makhdoom ghaya
9.3k
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gate2014-ee-1
linear-algebra
matrices
eigen-values
numerical-answers
0
votes
0
answers
2
GATE Electrical 2014 Set 1 | Question: 51
In the figure shown, assume the op-amp to be ideal. Which of the alternatives gives the correct Bode plots for the transfer function $\dfrac{V_o(\omega )}{V_i(\omega )}?$
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Control Systems
Feb 12, 2017
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makhdoom ghaya
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gate2014-ee-1
transfer
function
operational-amplifier
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answers
3
GATE Electrical 2014 Set 1 | Question: 50
Which of the following logic circuits is a realization of the function $F$ whose Karnaugh map is shown in figure:
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Electrical and Electronic Measurements
Feb 12, 2017
by
makhdoom ghaya
9.3k
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gate2014-ee-1
karnaugh
map
logic-gates
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0
answers
4
GATE Electrical 2014 Set 1 | Question: 55
The figure shows one period of the output voltage of an inverter.$\alpha$ should be chosen such that $60^{\circ}<\alpha <90^{\circ}$. If $rms$ value of the fundamental component is $50V$, then $\alpha$ in degree is__________
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Signals and Systems
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
periodic-functions
fourier-transform
numerical-answers
0
votes
0
answers
5
GATE Electrical 2014 Set 1 | Question: 54
Figure $(i)$ shows the circuit diagram of a chopper. The switch $S$ in the circuit in figure $(i)$ is switched such that the voltage $v_D$ across the diode has the wave shape as shown in figure $(ii)$. The capacitance $C$ is large so that ... switch $S$ and the diode are ideal, the peak to peak ripple $(\text{in}\: A)$ in the inductor current is _________.
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Electrical and Electronic Measurements
Feb 12, 2017
by
makhdoom ghaya
9.3k
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gate2014-ee-1
choppers
ripple-voltages
numerical-answers
0
votes
0
answers
6
GATE Electrical 2014 Set 1 | Question: 53
The figure shows the circuit diagram of a rectifier. The load consists of a resistance $10Ω$ and an inductance $0.05H$ connected in series. Assuming ideal thyristor and ideal diode, the thyristor firing angle (in degree) needed to obtain an average load voltage of $70V$ is ______
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Electrical and Electronic Measurements
Feb 12, 2017
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makhdoom ghaya
9.3k
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gate2014-ee-1
rectifier
thyristor
firing
angle
numerical-answers
0
votes
0
answers
7
GATE Electrical 2014 Set 1 | Question: 48
The $dc$ current flowing in a circuit is measured by two ammeters, one $PMMC$ and another electrodynamometer type, connected in series. The $PMMC$ meter contains $100$ ... of both the meters are equal. The value of current, at which the deflections of the two meters are same, is ________
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in
Electromagnetic Fields
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
electrodynamometer
ammeter
current-measurement
numerical-answers
0
votes
0
answers
8
GATE Electrical 2014 Set 1 | Question: 47
The reading of the voltmeter $(rms)$ in volts, for the circuit shown in the figure is __________
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Electric Circuits
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
nodal-analysis
voltmeter
numerical-answers
0
votes
0
answers
9
GATE Electrical 2014 Set 1 | Question: 45
The Bode magnitude plot of the transfer function $G(s)=\dfrac{K(1+0.5s)(1+as)}{s(1+\frac{s}{8})(1+bs)(1+\frac{s}{36})}$ is shown below: Note that $-6dB/octave = -20 dB/decade.$ The value of $\dfrac{a}{bK}$ is ________.
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Power Systems
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
bode-plot
feed-back-system
numerical-answers
0
votes
0
answers
10
GATE Electrical 2014 Set 1 | Question: 44
For the given system, it is desired that the system be stable. The minimum value of $\alpha$ for this condition is ____________. .
makhdoom ghaya
asked
in
Control Systems
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
feed-back-system
stability
numerical-answers
0
votes
0
answers
11
GATE Electrical 2014 Set 1 | Question: 49
Given that the op-amps in the figure are ideal, the output voltage $V_0$ is $(V_1-V_2)$ $2(V_1-V_2)$ $(V_1-V_2)/2$ $(V_1+V_2)$
makhdoom ghaya
asked
in
Analog and Digital Electronics
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
operational-amplifier
negative-feedback
0
votes
0
answers
12
GATE Electrical 2014 Set 1 | Question: 52
An output device is interfaced with $8$-bit microprocessor $8085A$. The interfacing circuit is shown in figure The interfacing circuit makes use of $3$ Line to $8$ Line decoder having $3$ enable lines $E_1,\overline{E_2},\overline{E_3}$ . The address of the device is $50_H$ $5000_H$ $A0_H$ $A000_H$
makhdoom ghaya
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in
Analog and Digital Electronics
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
microprocessor
interfacing
circuit
0
votes
0
answers
13
GATE Electrical 2014 Set 1 | Question: 37
A $15\: kW, 230\: V\:dc$ shunt motor has armature circuit resistance of $0.4\: Ω$ and field circuit resistance of $230\: Ω.$ At no load and rated voltage, the motor runs at $1400$ ... , the motor draws a line current of $70\: A.$ Neglect armature reaction. The full load speed of the motor in rpm is _________.
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asked
in
Electrical Machines
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
eletrical-machines
armature-winding
revolution-per-minute
numerical-answers
0
votes
0
answers
14
GATE Electrical 2014 Set 1 | Question: 33
The function shown in the figure can be represented as $u(t)-u(t-T)+\dfrac{(t-T)}{T}u(t-T)-\frac{(t-2T)}{T}u(t-2T) \\$ $u(t)+\dfrac{t}{T}u(t-T)-\dfrac{t}{T}u(t-2T) \\$ $u(t)-u(t-T)+\dfrac{(t-T)}{T}u(t)-\dfrac{(t-2T)}{T}u(t) \\$ $u(t)+\dfrac{(t-T)}{T}u(t-T)-2\dfrac{(t-2T)}{T}u(t-2T)$
makhdoom ghaya
asked
in
Signals and Systems
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
impulse-function
unit-step-function
0
votes
0
answers
15
GATE Electrical 2014 Set 1 | Question: 43
The overcurrent relays for the line protection and loads connected at the buses are shown in the figure. The relays are $IDMT$ ... relay $R_B$ to be $0.1$ and $5A$ respectively, the operating time of $R_B$ (in seconds) is ______________
makhdoom ghaya
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in
Power Systems
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
overcurrent
relays
line
protection
numerical-answers
0
votes
0
answers
16
GATE Electrical 2014 Set 1 | Question: 32
The following four vector fields are given in Cartesian co-ordinate system. The vector field which does not satisfy the property of magnetic flux density is $y^2a_x+z^2a_y+x^2a_z$ $y^2a_x+x^2a_y+z^2a_z$ $x^2a_x+y^2a_y+z^2a_z$ $y^2z^2a_x+x^2z^2a_y+x^2y^2a_z$
makhdoom ghaya
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in
Electromagnetic Fields
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
cartesian
co-ordinate
vector
fields
0
votes
0
answers
17
GATE Electrical 2014 Set 1 | Question: 34
Let $X(z)=\dfrac{1}{1-z^{-3}}$ be the $Z$ – transform of a causal signal $x[n]$ Then, the values of $x[2]$ and $x[3]$ are $0$ and $0$ $0$ and $1$ $1$ and $0$ $1$ and $1$
makhdoom ghaya
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in
Signals and Systems
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
z-transform
sausality
0
votes
0
answers
18
GATE Electrical 2014 Set 1 | Question: 36
The core loss of a single phase, $230/115\:V, 50\:Hz$ power transformer is measured from $230\:V$ side by feeding the primary $(230\: V \: \text{side})$ from a variable voltage variable frequency source while keeping the secondary open circuited. The core loss is measured to ... and $542\:W$ $468\:W$ and $582\:W$ $498\:W$ and $552\:W$ $488\:W$ and $562\:W$
makhdoom ghaya
asked
in
Electrical Machines
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
core-losses
primary-winding
0
votes
0
answers
19
GATE Electrical 2014 Set 1 | Question: 38
A $3$ phase, $50$ $Hz$, six pole induction motor has a rotor resistance of $0.1\: Ω$ and reactance of $0.92\: Ω$. Neglect the voltage drop in stator and assume that the rotor resistance is constant. Given that the full load slip is $3\%$, the ratio of maximum torque to full load torque is $1.567$ $1.712$ $1.948$ $2.134$
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in
Electrical Machines
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
induction-motor
winding-resistance
0
votes
0
answers
20
GATE Electrical 2014 Set 1 | Question: 40
A distribution feeder of $1\:km$ length having resistance, but negligible reactance, is fed from both the ends by $400V$, $50\:Hz$ balanced sources. Both voltage sources $S_1$ and $S_2$ are in phase. The feeder supplies concentrated loads of unity power factor as shown in the figure. ... $25\:A$ $50\:A$ and $50\:A$ $25\:A$ and $75\:A$ $0\:A$ and $100\:A$
makhdoom ghaya
asked
in
Power Systems
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
single-line-diagram
distribution
feeder
0
votes
0
answers
21
GATE Electrical 2014 Set 1 | Question: 41
A two bus power system shown in the figure supplies load of $1.0+j0.5\: \text{p.u}.$ The values of $V_1$ in $\text{p.u.}$ and $\delta_2$ respectively are $0.95$ and $6.00^{\circ}$ $1.05$ and $-5.44^{\circ}$ $1.1$ and $-6.00^{\circ}$ $1.1$ and $-27.12^{\circ}$
makhdoom ghaya
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in
Power Systems
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
power-system-analysis
reactance
0
votes
0
answers
22
GATE Electrical 2014 Set 1 | Question: 42
The fuel cost functions of two power plants are Plant $P_1 : C_1=0.05Pg_1^2+APg_1+B$ Plant $P_2 : C_2=0.10Pg_2^2+3APg_2+2B$ where, $P_{g1}$ and $P_{g2}$ are the generated powers of two plants, and $A$ and $B$ are the constants. If the two plants optimally ... $100$ $Rs/MWh$, the ratio of load shared by plants $P_1$ and $P_2$ is $1:4$ $2:3$ $3:2$ $4:1$
makhdoom ghaya
asked
in
Power Systems
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
power
plants
power-generation
0
votes
0
answers
23
GATE Electrical 2014 Set 1 | Question: 35
Let $f(t)$ be continuous time signal and let $F(w)$be its Fourier Transform defined by $F(\omega )=\displaystyle{}\int_{-\infty }^{\infty }f(t)e^{-j\omega t} dt$ define $g(t)$ ... $f(t)$ only if $f(t)$ is a sinusoidal function. $g(t)$ would never be proportional to $f(t)$.
makhdoom ghaya
asked
in
Signals and Systems
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
fourier-transform
unit-step-function
continuous time
signal
0
votes
0
answers
24
GATE Electrical 2014 Set 1 | Question: 39
A three phase synchronous generator is to be connected to the infinite bus. The lamps are connected as shown in the figure for the synchronization. The phase sequence of bus voltage is $R-Y-B$ and that of incoming generator voltage ... infinite bus and its frequency is more than infinite bus same as infinite bus and its frequency is less than infinite bus
makhdoom ghaya
asked
in
Power Systems
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
infinite
bus
synchronization
0
votes
0
answers
25
GATE Electrical 2014 Set 1 | Question: 28
The line integral of function $F = yzi$, in the counterclockwise direction, along the circle $x^2+y^2 = 1$ at $z = 1$ is $-2\pi$ $-\pi$ $\pi$ $2\pi$
makhdoom ghaya
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in
Calculus
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
calculus
line-integral
circle-equation
1
vote
0
answers
26
GATE Electrical 2014 Set 1 | Question: 27
A fair coin is tossed $n$ times. The probability that the difference between the number of heads and tails is $(n-3)$ is $2^{-n}$ $0$ $^{n}C_{n-3}2^{-n}$ $2^{-n+3}$
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in
Probability & Statistics
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
probability-and-statistics
probability
coins
0
votes
0
answers
27
GATE Electrical 2014 Set 1 | Question: 21
A cascade of three identical modulo - $5$ counters has an overall modulus of $5$ $25$ $125$ $625$
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in
Analog and Digital Electronics
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
analog-and-digital-electronics
sequential-circuit
counters
0
votes
0
answers
28
GATE Electrical 2014 Set 1 | Question: 26
Let $g:[0,\infty )\rightarrow [0,\infty )$ be a function defined by $g(x)=x-[x]$, where $[x]$ represents the integer part of $x.($That is, it is the largest integer which is less than or equal to $x).$ The value of the constant term in the Fourier series expansion of $g(x)$ is _______
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in
Signals and Systems
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
fourier
series
expansion
fourier-transform
numerical-answers
0
votes
0
answers
29
GATE Electrical 2014 Set 1 | Question: 22
In the Wien Bridge oscillator circuit shown in figure, the bridge is balanced when $\dfrac{R_3}{R_4}=\dfrac{R_1}{R_2}\, \: \: \omega =\dfrac{1}{\sqrt{R_1C_1R_2C_2}} \\$ ... $\dfrac{R_3}{R_4}+\dfrac{R_1}{R_2}=\dfrac{C_2}{C_1}, \: \: \omega =\dfrac{1}{R_1C_1R_2C_2}$
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in
Electrical and Electronic Measurements
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
wien
bridge
oscillator
0
votes
0
answers
30
GATE Electrical 2014 Set 1 | Question: 30
In the figure, the value of resistor $R$ is $(25 + I/2)\: \text{ohms},$ where $I$ is the current in amperes. The current $I$ is ________
makhdoom ghaya
asked
in
Electric Circuits
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
loop-analysis
dc-supply
numerical-answers
0
votes
0
answers
31
GATE Electrical 2014 Set 1 | Question: 29
An incandescent lamp is marked $40\:W, 240\: V$. If resistance at room temperature $(26^{\circ}C)$ is $120\:\Omega$, and temperature coefficient of resistance is $4.5\times 10^{-3} / ^{\circ}C$, then its $ON$ state filament temperature in $^{\circ}C$ is approximately _______
makhdoom ghaya
asked
in
Electric Circuits
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
incandescent
lamp
filament
numerical-answers
0
votes
0
answers
32
GATE Electrical 2014 Set 1 | Question: 24
The figure shows the circuit of a rectifier fed from a $230-V(\text{rms}), 50-Hz$ sinusoidal voltage source. If we want to replace the current source with a resistor so that the rms value of the current supplied by the voltage source remains unchanged, the value of the resistance $(\text{in ohms})$ is __________(Assume diodes to be ideal.)
makhdoom ghaya
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in
Analog and Digital Electronics
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
rectifier
diode
numerical-answers
0
votes
0
answers
33
GATE Electrical 2014 Set 1 | Question: 23
The magnitude of the mid-band voltage gain of the circuit shown in figure is $($assuming $h_{fe}$ of the transistor to be $100)$ $1$ $10$ $20$ $100$
makhdoom ghaya
asked
in
Electrical and Electronic Measurements
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
voltage-gain
mid-band-votage
0
votes
0
answers
34
GATE Electrical 2014 Set 1 | Question: 31
In an unbalanced three phase system, phase current $I_a=1\angle (-90^{\circ})\: \text{pu}$ , negative sequence current $I_{b2}=4\angle (-150^{\circ})\: \text{pu}$, zero sequence current $I_{c0}=3\angle 90^{\circ}\: \text{pu}.$ The magnitude of phase current $I_b$ in $\text{pu}$ is $1.00$ $7.81$ $11.53$ $13.00$
makhdoom ghaya
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in
Power Systems
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
unbalanced-system
sequence-networks
0
votes
0
answers
35
GATE Electrical 2014 Set 1 | Question: 25
Figure shows four electronic switches $(i), (ii), (iii)$ and $(iv)$. Which of the switches can block voltages of either polarity $($applied between terminals $a$ and $b)$ when the active device is in the $OFF$ state? $(i), (ii)$ and $(iii)$ $(ii), (iii)$ and $(iv)$ $(ii)$ and $(iii)$ $(i)$ and $(iv)$
makhdoom ghaya
asked
in
Electrical and Electronic Measurements
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
duality-switch
reverse-saturation-current
0
votes
0
answers
36
GATE Electrical 2014 Set 1 | Question: 20
In an oscilloscope screen, linear sweep is applied at the vertical axis horizontal axis origin both horizontal and vertical axis
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in
Electric Circuits
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
oscilloscope
linear
sweep
0
votes
0
answers
37
GATE Electrical 2014 Set 1 | Question: 17
In the formation of Routh-Hurwitz array for a polynomial, all the elements of a row have zero values. This premature termination of the array indicates the presence of only one root at the origin Imaginary roots only positive real roots only negative real roots
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in
Calculus
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
calculus
polynomial
routh-hurwitz-array
0
votes
0
answers
38
GATE Electrical 2014 Set 1 | Question: 18
The root locus of a unity feedback system is shown in the figure The closed loop transfer function of the system is $\dfrac{C(s)}{R(s)}=\dfrac{K}{(s+1)(s+2)} \\$ $\dfrac{C(s)}{R(s)}=\dfrac{-K}{(s+1)(s+2)+K} \\$ $\dfrac{C(s)}{R(s)}=\dfrac{K}{(s+1)(s+2)-K} \\$ $\dfrac{C(s)}{R(s)}=\dfrac{K}{(s+1)(s+2)+K}$
makhdoom ghaya
asked
in
Control Systems
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
stability
bode-plot
0
votes
0
answers
39
GATE Electrical 2014 Set 1 | Question: 16
A $2$-bus system and corresponding zero sequence network are shown in the figure. The transformers $T_1$and $T_2$ are connected as
makhdoom ghaya
asked
in
Power Systems
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
sequence-networks
bus-system
0
votes
0
answers
40
GATE Electrical 2014 Set 1 | Question: 13
A star connected $400\:V, 50\:Hz, 4$ pole synchronous machine gave the following open circuit and short circuit test results: Open circuit test: $V_{oc} = 400\: V (\text{rms}, \text{line-to-line})$ at field current, $I_f = 2.3 A$ ... $I_f = 1.5 A$ The value of per phase synchronous impedance in $Ω$ at rated voltage is __________.
makhdoom ghaya
asked
in
Electrical Machines
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
open-circuit-test
short-ciruit-test
numerical-answers
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