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Hot questions in Electrical Circuits
0
votes
1
answer
1
GATE2013-26
A strain gauge forms one arm of the bridge shown in the figure below and has a nominal resistance without any load as $R_s = 300$ . Other bridge resistances are $R_1 = R_2 = R_3 = 300$ . The maximum permissible current through the strain gauge is $20\:mA$. During certain measurement ... $1\%$ over the nominal value, the output voltage $V_0$ in $mV$ is $56.02$ $40.83$ $29.85$ $10.02$
asked
Feb 12, 2017
in
Electrical Circuits
by
piyag476
(
1.5k
points)
gate2013-ee
bridge-circuit
variable-resistor
0
votes
0
answers
2
GATE2015-1-46
In a linear two-port network, when $10$ V is applied to Port $1$, a current of $4$ A flows through Port $2$ when it is short-circuited. When $5$ V is applied to Port $1$, a current of $1.25$ A flows through a $1 \Omega$ resistance connected across Port $2$. When $3$ V is applied to Port $1$, the current (in Ampere) through a $2 \Omega$ resistance connected across Port $2$ is ________.
asked
Feb 12, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.2k
points)
gate2015-ee-1
network
nodal-analysis
numerical-answers
0
votes
0
answers
3
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
4
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
5
GATE2013-22
Three moving iron type voltmeters are connected as shown below. Voltmeter readings are $V$, $V1$ and $V2$ , as indicated. The correct relation among the voltmeter readings is $V=\dfrac{V1}{\sqrt{2}}+\dfrac{V2}{\sqrt{2}}$ $V =V_1 +V_2$ $V =V_1V_2$ $V =V_2 - V_1$
asked
Feb 12, 2017
in
Electrical Circuits
by
piyag476
(
1.5k
points)
gate2013-ee
voltage-source
lc-filter
0
votes
0
answers
6
GATE2013-27
In the circuit shown below, the knee current of the ideal Zener diode is $10$ $mA$. To maintain $5$ $V$ across $R_L$ minimum value of $R_L$ in $\Omega$ and the minimum power rating of the Zener diode in $mW$ respectively are $125$ and $125$ $125$ and $250$ $250$ and $125$ $250$ and $250$
asked
Feb 12, 2017
in
Electrical Circuits
by
piyag476
(
1.5k
points)
gate2013-ee
reverse-saturation-current
nodal-analysis
0
votes
0
answers
7
GATE2014-1-47
The reading of the voltmeter $(rms)$ in volts, for the circuit shown in the figure is __________
asked
Feb 12, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.2k
points)
gate2014-ee-1
nodal-analysis
voltmeter
numerical-answers
0
votes
0
answers
8
GATE2014-2-48
Two ammeters $X$ and $Y$ have resistances of $1.2$ $Ω$ and $1.5$ $Ω$ respectively and they give full-scale deflection with $150$ $mA$ and $250$ $mA$ respectively. The ranges have been extended by connecting shunts so as to give full scale deflection ... placed in a circuit in which the total current flowing is $15$ $A$. The current in amperes indicated in ammeter $X$ is __________.
asked
Feb 12, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.2k
points)
gate2014-ee-2
current-measurement
voltage-measurement
numerical-answers
0
votes
0
answers
9
GATE2014-1-6
The three circuit elements shown in the figure are part of an electric circuit. The total power absorbed by the three circuit elements in watts is __________.
asked
Feb 12, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.2k
points)
gate2014-ee-1
nodal-analysis
dc-supply
kcl
numerical-answers
0
votes
0
answers
10
GATE2013-29
In the circuit shown below, if the source voltage $V_S=100 \: \angle$ $53.13^{\circ}$ V then the Thevenin’s equivalent voltage in Volts as seen by the load resistance $R_L$ is $100\angle 90^{\circ}$ $800\angle 0^{\circ}$ $800\angle 90^{\circ}$ $100\angle 60^{\circ}$
asked
Feb 12, 2017
in
Electrical Circuits
by
piyag476
(
1.5k
points)
gate2013-ee
thevinin-circuit
mesh-analysis
0
votes
0
answers
11
GATE2013-31
A voltage $1000 \sin \omega t$ Volts is applied across $YZ$. Assuming ideal diodes, the voltage measured across $WX$ in Volts is $\sin \omega t$ $(\sin \omega t + \sin \omega t ) / 2$ $(\sin \omega t - \sin \omega t ) / 2$ $0$ for all $t$
asked
Feb 12, 2017
in
Electrical Circuits
by
piyag476
(
1.5k
points)
gate2013-ee
closed-loop
diode
0
votes
0
answers
12
GATE2014-2-7
The switch SW shown in the circuit is kept at position $'1'$ for a long duration. At $t$ = $0+$, the switchis moved to position $'2'$. Assuming |$V_o2|$ > |$V_o1$|, the voltage $v_c$(t) across the capacitor is $V_c (t)=-V_{o2}(1-e^{-t/2RC})-V_{o1}$ ... $V_{o2}$+$V_{o1}$)$(1-e^{-t/2RC})-V_{o1}$ $V_c (t)=$($V_{o2}$+$V_{o1}$)$(1-e^{-t/2RC})+V_{o1}$
asked
Feb 12, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.2k
points)
gate2014-ee-2
switching-schemes
loads
0
votes
0
answers
13
GATE2015-1-5
When the Wheatstone bridge shown in the figure is used to find the value of resistor $R_{X}$, the galvanometer $G$ indicates zero current when $R_{1}=50\Omega, R_{2}=65\Omega$ and $R_{3}=100\Omega$. If $R_{3}$ is known with $ 5$% tolerance on its nominal value of $100 \Omega$ , ... range of $R_{X}$ in Ohms? $[123.50, 136.50]$ $[125.89, 134.12]$ $[117.00, 143.00]$ $[120.25, 139.75]$
asked
Feb 12, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.2k
points)
gate2015-ee-1
bridge-circuit
galvanometer
tolerance
0
votes
0
answers
14
GATE2013-7
A source $V_s(t) =V\cos100\pi t$ has an internal impedance of $(4+j3) \Omega$.If a purely resistive load connected to this source has to extract the maximum power out of source, its value in $\Omega$ should be $3$ $4$ $5$ $7$
asked
Feb 12, 2017
in
Electrical Circuits
by
piyag476
(
1.5k
points)
gate2013-ee
nodal-analysis
mesh-analysis
0
votes
0
answers
15
GATE2014-3-54
A diode circuit feeds an ideal inductor as shown in the figure. Given $v_s$=100 sin($w_t$) $V$ where $ω$ = $100\pi$ $rad/s$, and $L$ = $31.83$ $mH$. The initial value of inductor current is zero. Switch $S$ is closed at $t$ = $2.5$ $ms$. The peak value of inductor current $i_L$ (in $A$) in the first cycle is ________.
asked
Feb 12, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.2k
points)
gate2014-ee-3
time-response
peak-value
numerical-answers
0
votes
0
answers
16
GATE2014-3-30
The power delivered by the current source, in the figure, is ________.
asked
Feb 12, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.2k
points)
gate2014-ee-3
current-source
negative-power
numerical-answers
0
votes
0
answers
17
GATE2014-1-30
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 ________
asked
Feb 12, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.2k
points)
gate2014-ee-1
loop-analysis
dc-supply
numerical-answers
0
votes
0
answers
18
GATE2014-3-47
A periodic waveform observed across a load is represented by $V(t)=\begin{cases} 1+sin\omega t & 0\leq \omega t< 6\pi \\ -1+sin\omega t & 6\pi \leq \omega t< 12\pi \end{cases}$ The measured value, using moving iron voltmeter connected across the load, is $\sqrt{\frac{3}{2}}$ $\sqrt{\frac{2}{3}}$ $\frac{3}{2}$ $\frac{2}{3}$
asked
Feb 12, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.2k
points)
gate2014-ee-3
wave-forms
periodic-functions
0
votes
0
answers
19
GATE2014-2-19
The saw-tooth voltage waveform shown in the figure is fed to a moving iron voltmeter. Its reading would be close to _____________
asked
Feb 12, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.2k
points)
gate2014-ee-2
waveforms
voltmeter
numerical-answers
0
votes
0
answers
20
GATE2014-1-29
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 _______
asked
Feb 12, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.2k
points)
gate2014-ee-1
incandescent
lamp
filament
numerical-answers
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