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2721
GATE ECE 2014 Set 2 | GA Question: 9
The total exports and revenues from the exports of a country are given in the two charts shown below. The pie chart for exports shows the quantity of each item exported as a percentage of the total quantity of exports. The pie chart for the revenues shows ... item among the following has generated the maximum revenue per $kg$? Item $2$ Item $3$ Item $6$ Item $5$
Milicevic3306
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in
Quantitative Aptitude
Mar 26, 2018
by
Milicevic3306
15.8k
points
34
views
gate2014-ec-2
numerical-ability
data-interpretation
pie-chart
0
votes
0
answers
2722
GATE ECE 2014 Set 4 | Question: 32
The equivalent resistance in the infinite ladder network shown in the figure, is $R_e$. The value of $R_e/R$ is __________
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in
Network Solution Methods
Mar 26, 2018
by
Milicevic3306
15.8k
points
33
views
gate2014-ec-4
numerical-answers
network-solution-methods
ladder-network
0
votes
0
answers
2723
GATE ECE 2012 | Question: 56
If $(1.001)^{1259}=3.52$ and $(1.001)^{2062}=7.85,$ then $(1.001)^{3321}=?$ $2.23$ $4.33$ $11.37$ $27.64$
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Quantitative Aptitude
Mar 25, 2018
by
Milicevic3306
15.8k
points
59
views
gate2012-ec
numerical-ability
number-system
0
votes
0
answers
2724
GATE ECE 2014 Set 3 | Question: 34
The donor and accepter impurities in an abrupt junction silicon diode are $1\times 10^{16} cm^{-3}$ and $5\times 10^{18}$cm^{-3}$, respectively. Assume that the intrinsic carrier concentration in silicon $n_{i}= 1.5\times 10^{10}cm^{-3}$ at $300K, \frac{kT}{q}= 26$ $ ... $0.7$ $V$ and $3.3\times 10^{-5} cm$ $0.86$ $V$ and $3.3\times 10^{-5} cm$
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in
Electronic Devices
Mar 26, 2018
by
Milicevic3306
15.8k
points
33
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gate2014-ec-3
electronic-devices
intrinsic-and-extrinsic-silicon
0
votes
0
answers
2725
GATE ECE 2014 Set 2 | GA Question: 10
It takes $30$ minutes to empty a half-full tank by draining it at a constant rate. It is decided to simultaneously pump water into the half-full tank while draining it. What is the rate at which water has to be pumped in so that it gets fully ... ? $4$ times the draining rate $3$ times the draining rate $2.5$ times the draining rate $2$ times the draining rate
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in
Quantitative Aptitude
Mar 26, 2018
by
Milicevic3306
15.8k
points
33
views
gate2014-ec-2
numerical-ability
pipe-cisterns
0
votes
0
answers
2726
GATE ECE 2014 Set 4 | Question: 53
The electric field (assumed to be one-dimensional) between two points $A$ and $B$ is shown. Let $\psi _A$ and $\psi _B$ be the electrostatic potentials at $A$ and $B$, respectively. The value of $\psi _B – \psi _A$ in Volts is ____________
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Electromagnetics
Mar 26, 2018
by
Milicevic3306
15.8k
points
32
views
gate2014-ec-4
numerical-answers
electrostatics
electromagnetics
0
votes
0
answers
2727
GATE ECE 2012 | Question: 57
Choose the most appropriate alternative from the options given below to complete the following sentence: If the tired soldier wanted to lie down, he _______ the mattress out on the balcony. should take shall take should have taken will have taken
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Verbal Aptitude
Mar 25, 2018
by
Milicevic3306
15.8k
points
58
views
gate2012-ec
verbal-ability
english-grammar
0
votes
0
answers
2728
GATE ECE 2014 Set 3 | GA Question: 3
'Advice' is ________________. a verb a noun an adjective both a verb and a noun
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Verbal Aptitude
Mar 26, 2018
by
Milicevic3306
15.8k
points
32
views
gate2014-ec-3
verbal-ability
english-grammar
0
votes
0
answers
2729
GATE ECE 2013 | Question: 13
The bit rate of a digital communication system is $R$ kbits/s. The modulation used is $32$-QAM. The minimum bandwidth required for ISI free transmission is $R/10\: Hz$ $R/10\: kHz$ $R/5\: Hz$ $R/5\: kHz$
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Communications
Mar 26, 2018
by
Milicevic3306
15.8k
points
38
views
gate2013-ec
digital-communications
communications
0
votes
0
answers
2730
GATE ECE 2014 Set 3 | Question: 25
In the following figure, the transmitter $Tx$ sends a wideband modulated $RF$ signal via a coaxial cable to the receiver $Rx$. The output impedance $Z_{T}$ of $Tx$, the characteristic impedance $Z_{0}$ of the cable and the input impedance ... $Z_{R}\neq Z_{0}$ Impedance mismatches do NOT result in signal distortion but reduce power transfer efficiency
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Electromagnetics
Mar 26, 2018
by
Milicevic3306
15.8k
points
32
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gate2014-ec-3
electromagnetics
impedance
0
votes
0
answers
2731
GATE ECE 2014 Set 3 | Question: 22
The phase response of a passband waveform at the receiver is given by $\varphi (f)= -2\pi \alpha (f-f_{c})-2\pi \beta f_{c}$ where $f_{c}$ is the centre frequency, and $\alpha$ and $\beta$ are positive constants. The actual signal propagation delay from the ... $\frac{\alpha\beta }{\alpha +\beta } \\$ $\alpha \\$ $\beta$
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in
Electromagnetics
Mar 26, 2018
by
Milicevic3306
15.8k
points
32
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gate2014-ec-3
electromagnetics
0
votes
0
answers
2732
GATE ECE 2014 Set 2 | Question: 38
For the n-channel MOS transistor shown in the figure, the threshold voltage $V_{Th}$ is $0.8$ V. Neglect channel length modulation effects. When the drain voltage $V_{D}= 1.6 V,$ the drain current $I_{D}$ was found to be $0.5$ mA. If $V_{D}$is adjusted to be $2$ V ... the values of R and $V_{DD}$, the new value of $I_{D}$ (in mA) is $0.625$ $0.75$ $1.125$ $1.5$
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in
Electronic Devices
Mar 26, 2018
by
Milicevic3306
15.8k
points
32
views
gate2014-ec-2
electronic-devices
mos-transistor
0
votes
0
answers
2733
GATE ECE 2014 Set 4 | Question: 41
A $16$ – bit ripple carry adder is realized using $16$ identical full adders (FA) as shown in the figure. The carry-propagation delay of each FA is $12$ ns and the sum-propagation delay of each FA is $15$ ns. The worst case delay (in ns) of this $16$-bit adder will be _______
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in
Electromagnetics
Mar 26, 2018
by
Milicevic3306
15.8k
points
31
views
gate2014-ec-4
numerical-answers
electromagnetics
propagation-delay
0
votes
0
answers
2734
GATE ECE 2012 | Question: 27
A BPSK scheme operating over an AWGN channel with noise power spectral density of $\frac{N_o}{2}$, uses equiprobable signals $s_1(t)=\sqrt{\frac{2E}{T}}\sin(\omega_ct)$ and $s_2(t)=-\sqrt{\frac{2E}{T}}\sin(\omega_ct)$ over the symbol interval $(0,T)$. If the local oscillator ... $Q(\sqrt{\frac{E}{N_o}})$ $Q(\sqrt{\frac{E}{2N_o}})$ $Q(\sqrt{\frac{E}{4N_o}})$
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in
Communications
Mar 25, 2018
by
Milicevic3306
15.8k
points
57
views
gate2012-ec
communications
autocorrelation-and-power-spectral-density
0
votes
0
answers
2735
GATE ECE 2012 | Question: 60
One of the parts $(A, B, C, D)$ in the sentence given below contains an ERROR. Which one of the following is INCORRECT? I requested that he should be given the driving test today instead of tomorrow. requested that should be given the driving test instead of tomorrow
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Verbal Aptitude
Mar 25, 2018
by
Milicevic3306
15.8k
points
57
views
gate2012-ec
verbal-ability
english-grammar
0
votes
0
answers
2736
GATE ECE 2012 | Question: 22
In the circuit shown below, the current through the inductor is $\frac{2}{1+j}\:A$ $\frac{-1}{1+j}\:A$ $\frac{1}{1+j}\:A$ $0\:A$
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Others
Mar 25, 2018
by
Milicevic3306
15.8k
points
57
views
gate2012-ec
to-be-tagged
0
votes
0
answers
2737
GATE ECE 2014 Set 3 | Question: 45
The $z$-transform of the sequence $x[n]$ is given by $X(z)=\frac{1}{(1-2z^{-1})^{2}},$ with the region of convergence $\mid z \mid >2$. Then, $x[2]$ is _________.
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Continuous-time Signals
Mar 26, 2018
by
Milicevic3306
15.8k
points
31
views
gate2014-ec-3
numerical-answers
continuous-time-signals
z-transform
0
votes
0
answers
2738
GATE ECE 2014 Set 3 | Question: 44
Let $h(t)$ denote the impulse response of a causal system with transfer function $\frac{1}{s+1}.$ Consider the following three statements. $S1$: The system is stable. $S2$: $\frac{h(t+1)}{h(t)}$ is independent of $t$ for $t > 0$. $S3$: A non-causal ... $S1$ and $S2$ are true only $S2$ and $S3$ are true only $S1$ and $S3$ are true $S1$, $S2$ and $S3$ are true
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in
Network Solution Methods
Mar 26, 2018
by
Milicevic3306
15.8k
points
31
views
gate2014-ec-3
network-solution-methods
transfer-function
0
votes
0
answers
2739
GATE ECE 2014 Set 2 | Question: 53
If the electric field of a plane wave is $\overrightarrow{E}(z,t)= \hat{x}3 \cos(\omega t-kz+30^{\circ}) – \hat{y} 4 \sin(\omega t – kz+45^{\circ}) (mV/m),$ the polarization state of the plane wave is left elliptical left circular right elliptical right circular
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in
Electromagnetics
Mar 26, 2018
by
Milicevic3306
15.8k
points
31
views
gate2014-ec-2
plane-waves-and-properties
electromagnetics
0
votes
0
answers
2740
GATE ECE 2014 Set 2 | Question: 35
Consider an abrupt PN junction (at $T = 300 K$) shown in the figure. The depletion region width $X_{n}$ on the $N$-side of the junction is $0.2 \mu m$ and the permittivity of silicon $( \varepsilon _{gi} )$ is $1.044 \times 10^{-12} \: F/cm$. At the junction, the approximate value of the peak electric field (in $kV/cm$) is ___________.
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in
Electronic Devices
Mar 26, 2018
by
Milicevic3306
15.8k
points
31
views
gate2014-ec-2
numerical-answers
electronic-devices
p-n-junction
0
votes
0
answers
2741
GATE ECE 2014 Set 4 | Question: 31
In the circuit shown in the figure, the value of $v_0(t)$ (in Volts) for $t \to \infty$ is ___________
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in
Network Solution Methods
Mar 26, 2018
by
Milicevic3306
15.8k
points
29
views
gate2014-ec-4
numerical-answers
network-solution-methods
0
votes
0
answers
2742
GATE ECE 2014 Set 4 | Question: 14
For a given sample-and-hold circuit, if the value of the hold capacitor is increased, then droop rate decreases and acquisition time decreases droop rate decreases and acquisition time increases droop rate increases and acquisition time decreases droop rate increases and acquisition time increases
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in
Digital Circuits
Mar 26, 2018
by
Milicevic3306
15.8k
points
29
views
gate2014-ec-4
digital-circuits
sample-and-hold-circuits
0
votes
0
answers
2743
GATE ECE 2012 | Question: 2
The power spectral density of a real process $X(t)$ for positive frequencies is shown below. The values of $E[X^2(t)]$ and $ \mid E[X(t)] \mid$, respectively, are $\frac{6000}{\pi}\:,\:0$ $\frac{6400}{\pi}\:,\:0$ $\frac{6400}{\pi}\:,\:\frac{20}{(\pi\sqrt2)}$ $\frac{6000}{\pi}\:,\:\frac{20}{(\pi\sqrt2)}$
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in
Communications
Mar 25, 2018
by
Milicevic3306
15.8k
points
55
views
gate2012-ec
communications
autocorrelation-and-power-spectral-density
0
votes
0
answers
2744
GATE ECE 2013 | Question: 44
Three capacitors $C_{1}, C_{2}$ and $C_{3}$ whose values are $10\mu F, 5\mu F,$ and $2\mu F$ respectively, have breakdown voltages of $10V, 5V,$ and $2V$ respectively. For the interconnection shown below, the maximum safe voltage in Volts that can be ... capacitance across the terminals are respectively, $2.8$ and $36$ $7$ and $119$ $2.8$ and $32$ $7$ and $80$
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in
Electronic Devices
Mar 26, 2018
by
Milicevic3306
15.8k
points
35
views
gate2013-ec
electronic-devices
0
votes
0
answers
2745
GATE ECE 2014 Set 4 | Question: 46
The state transition matrix $\phi(t)$ of a system $\begin{bmatrix} x_1 \\ x_2 \end{bmatrix} = \begin{bmatrix} 0 & 1 \\ 0 & 0 \end{bmatrix} \begin{bmatrix} x_1 \\ x_2 \end{bmatrix}$ is $\begin{bmatrix} t & 1 \\ 1 & 0 \end{bmatrix} \\$ ... $\begin{bmatrix} 0 & 1 \\ 1 & t \end{bmatrix} \\$ $\begin{bmatrix} 1 & t \\ 0 & 1 \end{bmatrix}$
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in
Linear Algebra
Mar 26, 2018
by
Milicevic3306
15.8k
points
28
views
gate2014-ec-4
linear-algebra
matrices
0
votes
0
answers
2746
GATE ECE 2012 | Question: 44
The voltage gain $A_v$ of the circuit shown below is $\mid A_v \mid\approx 200$ $\mid A_v\mid \approx 100$ $ \mid A_v \mid \approx 20$ $\mid A_v \mid \approx 10$
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in
Analog Circuits
Mar 25, 2018
by
Milicevic3306
15.8k
points
54
views
gate2012-ec
analog-circuits
0
votes
0
answers
2747
GATE ECE 2012 | Question: 55
The transfer function of a compensator is given as $G_c(s)=\frac{s+a}{s+b}$ The phase of the above lead compensator is maximum at $\sqrt{2}$ rad/s $\sqrt{3}$ rad/s $\sqrt{6}$ rad/s $\frac{1}{\sqrt{3}}$ rad/s
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in
Network Solution Methods
Mar 25, 2018
by
Milicevic3306
15.8k
points
53
views
gate2012-ec
network-solution-methods
diodes
transfer-function
0
votes
0
answers
2748
GATE ECE 2013 | Question: 64
The set of values of $p$ for which the roots of the equation $3x^2+2x+p(p-1)=0$ are of opposite sign is $(-\infty ,0)$ $(0,1)$ $(1,\infty )$ $(0,\infty )$
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in
Quantitative Aptitude
Mar 26, 2018
by
Milicevic3306
15.8k
points
33
views
gate2013-ec
numerical-ability
quadratic-equations
roots
0
votes
0
answers
2749
GATE ECE 2012 | Question: 65
$A$ and $B$ are friends. They decide to meet between $1:00$pm and $2:00$ pm on a given day. There is a condition that whoever arrives first will not wait for the other for more than $15$ minutes. The probability that they will meet on that day is $1/4$ $1/16$ $7/16$ $9/16$
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in
Quantitative Aptitude
Mar 25, 2018
by
Milicevic3306
15.8k
points
52
views
gate2012-ec
numerical-ability
probability
0
votes
0
answers
2750
GATE ECE 2012 | Question: 18
If $x[n]=(\frac{1}{3})^{|n|}-(\frac{1}{2})^{|n|}u[n]$, then the region of convergence (ROC) of its Z-transform in the Z-plane will be $\frac{1}{3}\lt |z|\lt 3$ $\frac{1}{3}\lt |z|\lt \frac{1}{2}$ $\frac{1}{2}\lt |z|\lt 3$ $\frac{1}{3}\lt |z|$
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asked
in
Numerical Methods
Mar 25, 2018
by
Milicevic3306
15.8k
points
50
views
gate2012-ec
numerical-methods
convergence-criteria
0
votes
0
answers
2751
GATE ECE 2012 | Question: 42
Let $y[n]$ denote the convolution of $h[n]$ and $g[n]$, where $h[n]=(\frac{1}{2})^nu[n]$ and $g[n]$ is a casual sequence. If $y[0]=1$ and $y[1]=\frac{1}{2}$, then $g[1]$ equals $0$ $\frac{1}{2}$ $1$ $\frac{3}{2}$
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asked
in
Continuous-time Signals
Mar 25, 2018
by
Milicevic3306
15.8k
points
50
views
gate2012-ec
continuous-time-signals
signals-and-systems
convolution
0
votes
0
answers
2752
GATE ECE 2012 | Question: 51
In the three dimensional view of a silicon n-channel MOS transistor shown below, $\delta=20\:nm$. The transistor is of width $1\: \mu m$. The depletion width formed at every p-n junction is $10\:nm$. The relative permittivities of $Si$ and $SiO_2$, respectively, are ... $2\:fF$ $7\:fF$ $2\:pF$ $7\:pF$
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in
Analog Circuits
Mar 25, 2018
by
Milicevic3306
15.8k
points
49
views
gate2012-ec
analog-circuits
mos-transistor
0
votes
0
answers
2753
GATE ECE 2012 | Question: 30
The feedback system shown below oscillates at $2\:rad/s$ when $K=2$ and $a=0.75$ $K=3$ and $a=0.75$ $K=4$ and $a=0.5$ $K=2$ and $a=0.5$
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Analog Circuits
Mar 25, 2018
by
Milicevic3306
15.8k
points
48
views
gate2012-ec
analog-circuits
oscillator
0
votes
0
answers
2754
GATE ECE 2012 | Question: 45
If $V_A-V_B=6\:V$, then $V_C-V_D$ is $-5\:V$ $2\:V$ $3\:V$ $6\:V$
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Others
Mar 25, 2018
by
Milicevic3306
15.8k
points
48
views
gate2012-ec
to-be-tagged
0
votes
0
answers
2755
GATE ECE 2012 | Question: 47
Given that $A=\begin{bmatrix} -5 &-3 \\ 2 &0\end{bmatrix}$ and $I=\begin{bmatrix} 1 & 0 \\ 0 &1\end{bmatrix}$, the value of $A^3$ is $15\:A+12\:I$ $19\:A+30\:I$ $17\:A+15\:I$ $17\:A+21\:I$
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in
Linear Algebra
Mar 25, 2018
by
Milicevic3306
15.8k
points
48
views
gate2012-ec
linear-algebra
matrices
0
votes
0
answers
2756
GATE ECE 2012 | Question: 3
In a baseband communications link, frequencies upto $3500\:Hz$ are used for signaling. Using a raised cosine pulse with $75\%$ excess bandwidth and for no inter-symbol interference, the maximum possible signaling rate in the symbols per second is $1750$ $2625$ $4000$ $5250$
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asked
in
Communications
Mar 25, 2018
by
Milicevic3306
15.8k
points
48
views
gate2012-ec
communications
calculation-of-bandwidth
0
votes
0
answers
2757
GATE ECE 2012 | Question: 21
The impedance looking into nodes $1$ and $2$ in the given circuit is $50\:\Omega$ $100\:\Omega$ $5\:k\Omega$ $10.1\:k\Omega$
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asked
in
Electromagnetics
Mar 25, 2018
by
Milicevic3306
15.8k
points
47
views
gate2012-ec
electromagnetics
impedance
0
votes
0
answers
2758
GATE ECE 2012 | Question: 37
In the CMOS circuit shown, electron and hole mobilities are equal, and $M1$ and $M2$ are equally sized. The device $M1$ is in the linear region if $V_{in}\lt 1.875\:V$ $1.875\:V\lt V_{in}\lt 3.125\:V$ $V_{in}\gt 3.125\:V$ $0\lt V_{in}\lt 5\:V$
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in
Electronic Devices
Mar 25, 2018
by
Milicevic3306
15.8k
points
46
views
gate2012-ec
electronic-devices
cmos
0
votes
0
answers
2759
GATE ECE 2012 | Question: 14
In the circuit shown $Y=\overline{A} \overline{B}+\bar{C}$ $Y=(A+B)C$ $Y=(\overline{A}+\overline{B})\overline{C}$ $Y=AB+C$
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Others
Mar 25, 2018
by
Milicevic3306
15.8k
points
45
views
gate2012-ec
to-be-tagged
0
votes
0
answers
2760
GATE ECE 2012 | Question: 33
Assuming both the voltage sources are in phase, the value of $R$ for which maximum power is transferred from circuit $A$ to circuit $B$ is $0.8\:\Omega$ $1.4\:\Omega$ $2\:\Omega$ $2.8\:\Omega$
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in
Analog Circuits
Mar 25, 2018
by
Milicevic3306
15.8k
points
45
views
gate2012-ec
analog-circuits
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