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3041
GATE ECE 2017 Set 1 | Question: 14
The Miller effect in the context of a Common Emitter amplifier explains An increase in the low-frequency cutoff frequency An increase in the high-frequency cutoff frequency A decrease in the low-frequency cutoff frequency A decrease in the high -frequency cutoff frequency
The Miller effect in the context of a Common Emitter amplifier explainsAn increase in the low-frequency cutoff frequencyAn increase in the high-frequency cutoff frequency...
admin
46.4k
points
530
views
admin
asked
Nov 17, 2017
Analog Circuits
gate2017-ec-1
amplifier
analog-circuits
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–
0
votes
0
answers
3042
GATE ECE 2017 Set 1 | Question: 15
In the latch circuit shown, the $NAND$ gates have non-zero, but unequal propagation delays. The present input condition is $P=Q=’0’$. If the input condition is changed simultaneously to $P=Q=’1’$, the outputs $X$ and $Y$ are, $X=’1’$, $Y=’1’$ either $X=’1’$, $Y=’0’$ or $X=’0’$, $Y=’1’$ either $X=’1’$, $Y=’1’$ or $X=’0’$, $Y=’0’$ $X=’0’$, $Y=’0’$
In the latch circuit shown, the $NAND$ gates have non-zero, but unequal propagation delays. The present input condition is $P=Q=’0’$. If the input condition is change...
admin
46.4k
points
172
views
admin
asked
Nov 17, 2017
Number Representations
gate2017-ec-1
digital-circuits
sequential-circuit
latch
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–
0
votes
0
answers
3043
GATE ECE 2017 Set 1 | Question: 15
A good transconductance amplifier should have high input resistance and low output resistance low input resistance and high output resistance high input and output resistances low input and output resistances
A good transconductance amplifier should havehigh input resistance and low output resistancelow input resistance and high output resistancehigh input and output resistanc...
admin
46.4k
points
183
views
admin
asked
Nov 17, 2017
Analog Circuits
gate2017-ec-1
analog-circuits
amplifier
+
–
0
votes
0
answers
3044
GATE ECE 2017 Set 1 | Question: 17
Consider the D-Latch shown in the figure, which is transparent when its clock input $CK$ is high and has zero propagation delay. In the figure , the clock signal $CLK$ has a $50 \%$ duty cycle and $CLK2$ is a one-fifth period delayed version of $CLK1$.The duty cycle at the output of the latch in percentage is _________.
Consider the D-Latch shown in the figure, which is transparent when its clock input $CK$ is high and has zero propagation delay. In the figure , the clock signal $CLK$ ha...
admin
46.4k
points
237
views
admin
asked
Nov 17, 2017
Sequential Circuits
gate2017-ec-1
digital-circuits
sequential-circuit
latch
+
–
0
votes
0
answers
3045
GATE ECE 2017 Set 1 | Question: 18
The open loop transfer function $G(s)=\frac{(s+1)}{s^{p}(s+2)(s+3)}$ where $p$ is an integer, is connected in unity feedback configuration as shown in figure. Given that the steady state error is zero for unit step input and is $6$ for unit ramp input, the parameter $p$ is__________.
The open loop transfer function $$G(s)=\frac{(s+1)}{s^{p}(s+2)(s+3)}$$ where $p$ is an integer, is connected in unity feedback configuration as shown in figure.Given that...
admin
46.4k
points
211
views
admin
asked
Nov 17, 2017
Control Systems
gate2017-ec-1
numerical-answers
control-systems
transfer-function
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–
0
votes
0
answers
3046
GATE ECE 2017 Set 1 | Question: 23
In a digital communication system, the overall pulse shape $p(t)$ at the receiver before the sampler has the Fourier transform $P(f)$. If the symbols are transmitted at the rate of $2000$ symbols per second, for which of the following cases is the inter symbol interference zero?
In a digital communication system, the overall pulse shape $p(t)$ at the receiver before the sampler has the Fourier transform $P(f)$. If the symbols are transmitted at t...
admin
46.4k
points
530
views
admin
asked
Nov 17, 2017
Communications
gate2017-ec-1
digital-communication
communications
+
–
0
votes
0
answers
3047
GATE ECE 2017 Set 1 | Question: 22
Which one of the following statements about differential pulse code modulation (DPCM) is true? The sum of message signal sample with its prediction is quantized The message signal sample is directly quantized, and its prediction is not ... signal sample and a random signal is quantized The difference of message signal sample with its prediction is quantized
Which one of the following statements about differential pulse code modulation (DPCM) is true?The sum of message signal sample with its prediction is quantizedThe message...
admin
46.4k
points
1.2k
views
admin
asked
Nov 17, 2017
Communications
gate2017-ec-1
digital-communications
differential-pulse-code-modulation
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–
0
votes
0
answers
3048
GATE ECE 2017 Set 1 | Question: 21
Let $\left ( X_{1},X_{2} \right )$ be independent random variables. $\left ( X_{1} \right )$ has mean $0$ and variance $1$, while $\left ( X_{2} \right )$ has mean $1$ and variance $4$. The mutual information $I\left (X_{1},X_{2} \right )$ between $X1$ and $X2$ in bits is_______.
Let $\left ( X_{1},X_{2} \right )$ be independent random variables. $\left ( X_{1} \right )$ has mean $0$ and variance $1$, while $\left ( X_{2} \right )$ has mean $1$ an...
admin
46.4k
points
105
views
admin
asked
Nov 17, 2017
Communications
gate2017-ec-1
information-theory
mutual-information
numerical-answers
communications
+
–
0
votes
0
answers
3049
GATE ECE 2017 Set 1 | Question: 19
Consider a stable system with transfer function,$G(s)=\frac{s^{p}+b_{1}s^{p-1}+\dots +b_{p}}{s^{q}+a_{1}s^{q-1}+\dots +a_{q}}$, where $b_1, \dots ,b_p$ and $a_1, \dots ,a_q$ are real valued constants.The slope of the Bode log magnitude curve of $G(s)$ ... of values for $p$ and $q$ is $p=0$ and $q=3$ $p=1$ and $q=7$ $p=2$ and $q=3$ $p=3$ and $q=5$
Consider a stable system with transfer function,$$G(s)=\frac{s^{p}+b_{1}s^{p-1}+\dots +b_{p}}{s^{q}+a_{1}s^{q-1}+\dots +a_{q}}$$, where $b_1, \dots ,b_p$ and $a_1, \dots ...
admin
46.4k
points
147
views
admin
asked
Nov 17, 2017
Control Systems
gate2017-ec-1
bode-and-root-locus-plots
control-systems
+
–
0
votes
0
answers
3050
GATE ECE 2017 Set 1 | Question: 24
The voltage of an electromagnetic wave propagating in a coaxial cable with uniform characteristic impedance is $V(l)= e^{-\gamma l +j\omega t }$ Volts, where $l$ ... rad/s is the angular frequency. The absolute value of the attenuation in the cable in dB/meter is__________.
The voltage of an electromagnetic wave propagating in a coaxial cable with uniform characteristic impedance is $V(l)= e^{-\gamma l +j\omega t }$ Volts, where $l$ is the d...
admin
46.4k
points
183
views
admin
asked
Nov 17, 2017
Electromagnetics
gate2017-ec-1
transmission-lines
impedence
numerical-answers
electromagnetics
+
–
0
votes
0
answers
3051
GATE ECE 2017 Set 1 | Question: 30
Starting with $x=1$, the solution of the equation $x^{3}+x=1$, after two iterations of Newton-Raphson’s method (up to two decimal places) is__________.
Starting with $x=1$, the solution of the equation $x^{3}+x=1$, after two iterations of Newton-Raphson’s method (up to two decimal places) is__________.
admin
46.4k
points
124
views
admin
asked
Nov 17, 2017
Numerical Methods
gate2017-ec-1
numerical-answers
numerical-methods
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–
0
votes
0
answers
3052
GATE ECE 2017 Set 1 | Question: 4
Three fair cubical dice are thrown simultaneously . The probability that all three dice have the same number of dots on the faces showing up is (up to third decimal place)________.
Three fair cubical dice are thrown simultaneously . The probability that all three dice have the same number of dots on the faces showing up is (up to third decimal place...
admin
46.4k
points
165
views
admin
asked
Nov 17, 2017
Probability and Statistics
gate2017-ec-1
probability-and-statistics
probability
numerical-answers
+
–
0
votes
0
answers
3053
GATE ECE 2017 Set 1 | Question: 5
Consider the following statements for continuous-time linear time invariant (LTI) systems. There is no bounded input bounded output (BIBO) stable system with a pole in the right half of the complex plane. There is no causal and BIBO stable with a pole in the ... following is correct? Both I and II are true Both I and II are not true Only I is true Only II is true
Consider the following statements for continuous-time linear time invariant (LTI) systems.There is no bounded input bounded output (BIBO) stable system with a pole in the...
admin
46.4k
points
215
views
admin
asked
Nov 17, 2017
Continuous-time Signals
gate2017-ec-1
linear-time-invariant-systems
continuous-time-signals
signals-and-systems
+
–
0
votes
0
answers
3054
GATE ECE 2017 Set 1 | Question: 6
Consider a single input single output discrete-time system with $x[ n ]$ as input and $y [ n ]$ ... statements is true about the system? It is causal and stable It is causal but not stable It is not causal but stable It is neither causal nor stable
Consider a single input single output discrete-time system with $x[ n ]$ as input and $y [ n ]$ as output, where the two are related as$$y [ n ]= \begin{cases} n \mid x [...
admin
46.4k
points
218
views
admin
asked
Nov 17, 2017
Continuous-time Signals
gate2017-ec-1
linear-time-invariant-systems
continuous-time-signals
signals-and-systems
discrete-time-signals
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–
0
votes
0
answers
3055
GATE ECE 2017 Set 1 | GA Question: 7
S, T, U, V, W, X, Y and Z are seated around a circular table .T’s neighbors are Y and V. Z is seated third to the left of T and second to the right of S. U’s neighbors are S and Y; and T and W are not seated opposite each other .Who is third to the left of V? X W U T
S, T, U, V, W, X, Y and Z are seated around a circular table .T’s neighbors are Y and V. Z is seated third to the left of T and second to the right of S. U’s neighbo...
admin
46.4k
points
108
views
admin
asked
Nov 17, 2017
Analytical Aptitude
gate2017-ec-1
analytical-aptitude
logical-reasoning
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–
0
votes
0
answers
3056
GATE ECE 2017 Set 1 | Question: 10
An $n^+-n$ Silicon device is fabricated with uniform and non-degenerate donor doping concentrations of $N_{D1}=1\times 10^{18}cm^{-3}$ and $N_{D2}=1\times 10^{15}cm^{-3}$ corresponding to the $n^+$ and $n$ regions respectively. At the operational temperature $T$, ... of the build-in potential of this device? $0.748 \: V$ $0.460 \: V$ $0.288 \: V$ $0.173 \: V$
An $n^+-n$ Silicon device is fabricated with uniform and non-degenerate donor doping concentrations of $N_{D1}=1\times 10^{18}cm^{-3}$ and $N_{D2}=1\times 10^{15}cm^{-3}$...
admin
46.4k
points
145
views
admin
asked
Nov 17, 2017
Electronic Devices
gate2017-ec-1
carrier-transport
electronic-devices
intrinsic-and-extrinsic-silicon
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–
0
votes
0
answers
3057
GATE ECE 2017 Set 1 | Question: 8
A periodic signal $x(t)$ has a trigonometric Fourier series expansion $x( t )= a_{0}+\sum_{n=1}^{ \infty } ( a_{n} \cos n\omega _{0}t+b_{n}\sin n\omega _{0}t )$ If $x(t)= -x(-t)=-x(t-\frac{\pi }{\omega _{0}})$, we can conclude that $a_n$ ... $n$ odd $a_n$ are zero for $n$ even and $b_n$ are zero for $n$ odd $a_n$ are zero for $n$ odd and $b_n$ are zero for $n$ even
A periodic signal $x(t)$ has a trigonometric Fourier series expansion$$x( t )= a_{0}+\sum_{n=1}^{ \infty } ( a_{n} \cos n\omega _{0}t+b_{n}\sin n\omega _{0}t )$$If $x(t)=...
admin
46.4k
points
171
views
admin
asked
Nov 17, 2017
Continuous-time Signals
gate2017-ec-1
fourier-transform
continuous-time-signals
signals-and-systems
+
–
0
votes
0
answers
3058
GATE ECE 2017 Set 1 | Question: 11
For a narrow base PNP BJT , the excess minority carrier concentrations($\Delta n_{E}$ for emitter,$\Delta p_{B}$ for base ,$\Delta n_{c}$ for collector) normalized to equilibrium minority carrier concentrations($n_{E0}$ for ... are shown below. Which one of the following biasing modes is the transistor operating in? Forward active Satiration Inverse active Cutoff
For a narrow base PNP BJT , the excess minority carrier concentrations($\Delta n_{E}$ for emitter,$\Delta p_{B}$ for base ,$\Delta n_{c}$ for collector) normalized to eq...
admin
46.4k
points
373
views
admin
asked
Nov 17, 2017
Analog Circuits
gate2017-ec-1
transistor
analog-circuits
+
–
0
votes
0
answers
3059
GATE ECE 2017 Set 1 | Question: 12
For the operational amplifier circuit shown, the output saturation voltage are $\pm 15 \:V$. The upper and lower threshold voltages for the circuit are,respectively, $+ 5 \: V$ and $– 5 V$ $+ 7 \: V$ and $– 3 \: V$ $+ 3 \: V$ and $- 7 \: V$ $+ 3 \: V$ and $– 3 \: V$
For the operational amplifier circuit shown, the output saturation voltage are $\pm 15 \:V$. The upper and lower threshold voltages for the circuit are,respectively,$+ 5 ...
admin
46.4k
points
234
views
admin
asked
Nov 17, 2017
Analog Circuits
gate2017-ec-1
op-amps
amplifier
analog-circuits
+
–
1
votes
0
answers
3060
GATE ECE 2017 Set 1 | Question: 27
A three dimensional region $R$ of finite volume is described by $x^2 + y^2 \leq z^3; \: \: 0 \leq z \leq 1,$ where $x,y,z$ are real. The volume of $R$ (up to two decimal places) is _________
A three dimensional region $R$ of finite volume is described by $x^2 + y^2 \leq z^3; \: \: 0 \leq z \leq 1,$ where $x,y,z$ are real. The volume of $R$ (up to two decimal...
admin
46.4k
points
345
views
admin
asked
Nov 17, 2017
Vector Analysis
gate2017-ec-1
vector-analysis
numerical-answers
+
–
0
votes
0
answers
3061
GATE ECE 2017 Set 1 | Question: 13
A good transconductance amplifier should have High input resistance and low output resistance Low input resistance and high output resistance High input and output resistance Low input and output resistance
A good transconductance amplifier should haveHigh input resistance and low output resistanceLow input resistance and high output resistanceHigh input and output resistanc...
admin
46.4k
points
98
views
admin
asked
Nov 17, 2017
Analog Circuits
gate2017-1mosfet
amplifier
+
–
0
votes
0
answers
3062
GATE ECE 2017 Set 1 | GA Question: 3
In the summer, water consumption is known to decrease overall by $25 \%$. A Water Board official states that in the summer household consumption decreases by $20 \%$, while other consumption increases by $70 \%$. Which of the following statement is ... is $1/17$ The ratio of household to other consumption is $17/8$ There are errors in the official's statement.
In the summer, water consumption is known to decrease overall by $25 \%$. A Water Board official states that in the summer household consumption decreases by $20 \%$, whi...
admin
46.4k
points
93
views
admin
asked
Nov 17, 2017
Quantitative Aptitude
gate2017-ec-1
numerical-ability
percentage
+
–
0
votes
0
answers
3063
GATE ECE 2017 Set 1 | GA Question: 4
$40 \%$ of deaths on city roads may be attributed to drunken driving. The number of degrees needed to represent this as a slice of a pie chart is $120$ $144$ $160$ $212$
$40 \%$ of deaths on city roads may be attributed to drunken driving. The number of degrees needed to represent this as a slice of a pie chart is$120$$144$$160$$212$
admin
46.4k
points
116
views
admin
asked
Nov 17, 2017
Quantitative Aptitude
gate2017-ec-1
numerical-ability
data-interpretation
pie-chart
+
–
0
votes
0
answers
3064
GATE ECE 2017 Set 1 | GA Question: 5
Some tables are shelves. Some shelves are chairs. All chairs are benches. Which of the following conclusion can be deduced from the preceding sentences? At least one bench is a table At least one shelf is a bench At least one chair is a table All benches are chairs Only $\text{i}$ Only $\text{ii}$ Only $\text{ii}$ and $\text{iii}$ Only $\text{iv}$
Some tables are shelves. Some shelves are chairs. All chairs are benches. Which of the following conclusion can be deduced from the preceding sentences?At least one bench...
admin
46.4k
points
132
views
admin
asked
Nov 17, 2017
Analytical Aptitude
gate2017-ec-1
analytical-aptitude
logical-reasoning
statements-follow
+
–
0
votes
0
answers
3065
GATE ECE 2017 Set 1 | GA Question: 9
There are $3$ Indians and $3$ Chinese in a group of $6$ people. How many subgroups of this group can we choose so that every subgroup has at least one Indian? $56$ $52$ $48$ $44$
There are $3$ Indians and $3$ Chinese in a group of $6$ people. How many subgroups of this group can we choose so that every subgroup has at least one Indian?$56$$52$$48$...
admin
46.4k
points
114
views
admin
asked
Nov 17, 2017
Quantitative Aptitude
gate2017-ec-1
numerical-ability
counting
+
–
0
votes
0
answers
3066
GATE ECE 2017 Set 1 | Question: 16
The clock frequency of an $8085$ microprocessor is $5$ MHz . If the time required to execute an instruction is $1.4 \: \mu s$, then the number of T-states needed for executing the instruction is $1$ $6$ $7$ $8$
The clock frequency of an $8085$ microprocessor is $5$ MHz . If the time required to execute an instruction is $1.4 \: \mu s$, then the number of T-states needed for exec...
admin
46.4k
points
319
views
admin
asked
Nov 17, 2017
Digital Circuits
gate2017-ec-1
microprocessor-8085
digital-circuits
+
–
0
votes
0
answers
3067
GATE ECE 2017 Set 1 | Question: 1
Consider the 5 $\times$ 5 matrix $\begin{bmatrix} 1&2&3&4&5\\ 5&1 &2& 3 &4\\ 4&5&1&2&3\\ 3&4&5&1&2\\ 2&3&4&5&1 \end{bmatrix}$ It is given that A has only one real eigenvalue. Then the real eigenvalue of A is $-2.5$ $0$ $15$ $25$
Consider the 5 $\times$ 5 matrix$$\begin{bmatrix} 1&2&3&4&5\\ 5&1 &2& 3 &4\\ 4&5&1&2&3\\ 3&4&5&1&2\\ 2&3&4&5&1 \end{bmatrix}$$It is given that A has only one real eigenv...
admin
46.4k
points
387
views
admin
asked
Nov 17, 2017
Linear Algebra
gate2017-ec-1
linear-algebra
matrices
eigen-values
+
–
0
votes
0
answers
3068
GATE ECE 2017 Set 1 | Question: 2
The rank of the matrix $\textbf{M} = \begin{bmatrix} 5&10&10 \\ 1 &0 &2 \\ 3&6&6 \end{bmatrix}$ is $0$ $1$ $2$ $3$
The rank of the matrix $$\textbf{M} = \begin{bmatrix} 5&10&10 \\ 1 &0 &2 \\ 3&6&6 \end{bmatrix}$$ is$0$$1$$2$$3$
admin
46.4k
points
525
views
admin
asked
Nov 17, 2017
Linear Algebra
gate2017-ec-1
linear-algebra
matrices
rank-of-matrix
+
–
0
votes
0
answers
3069
GATE ECE 2017 Set 1 | Question: 3
Consider the following statements about the linear dependence of the real valued function $y_{1}=1,y_{2}=x$ and $y_{3}=x^{2}$ over the field of real numbers. $y_{1},y_{2}$ and $y_{3} $ are linearly independent on $-1\leq x\leq 0$ ... among the following is correct? Both I and II are true Both I and III are true Both II and IV are true Both III and IV are true
Consider the following statements about the linear dependence of the real valued function $y_{1}=1,y_{2}=x$ and $y_{3}=x^{2}$ over the field of real numbers.$y_{1},y_{2}$...
admin
46.4k
points
650
views
admin
asked
Nov 17, 2017
Vector Analysis
gate2017-ec-1
vector-analysis
vector-in-planes
+
–
0
votes
1
answer
3070
GATE ECE 2017 Set 1 | GA Question: 1
She has a sharp tongue and it can occasionally turn__________________ Hurtful Left Methodical Vital
She has a sharp tongue and it can occasionally turn__________________HurtfulLeftMethodicalVital
admin
46.4k
points
189
views
admin
asked
Nov 17, 2017
Verbal Aptitude
gate2017-ec-1
verbal-ability
most-appropriate-word
+
–
0
votes
0
answers
3071
GATE ECE 2017 Set 1 | GA Question: 2
I __________ made arrangements had I _________informed earlier. could have, been would have, being had, have had been, been
I __________ made arrangements had I _________informed earlier.could have, beenwould have, beinghad, havehad been, been
admin
46.4k
points
107
views
admin
asked
Nov 17, 2017
Verbal Aptitude
gate2017-ec-1
verbal-ability
english-grammar
tense
+
–
0
votes
1
answer
3072
GATE ECE 2017 Set 1 | GA Question: 6
If you are looking for a history of India, or for an account of the rise and fall of the British Raj, or for all reason of the cleaving of the subcontinent into two mutually antagonistic parts and the effects this ... for impartial recording of these matters . Here, the word antagonistic' is closest in meaning to, Impartial Argumentative Separated Hostile
“If you are looking for a history of India, or for an account of the rise and fall of the British Raj, or for all reason of the cleaving of the subcontinent into two mu...
admin
46.4k
points
143
views
admin
asked
Nov 17, 2017
Verbal Aptitude
gate2017-ec-1
verbal-ability
passage-reading
word-meaning
+
–
0
votes
0
answers
3073
GATE ECE 2017 Set 1 | Question: 7
In the circuit shown, the positive angular frequency $\omega$ (in radians per second) at which the magnitude of the phase difference between the voltages $V_1$ and $V_2$ equals $\frac{\pi}{4}$ radians, is _________
In the circuit shown, the positive angular frequency $\omega$ (in radians per second) at which the magnitude of the phase difference between the voltages $V_1$ and $V_2$ ...
admin
46.4k
points
187
views
admin
asked
Nov 17, 2017
Electronic Devices
gate2017-ec-1
numerical-answers
electronic-devices
+
–
0
votes
0
answers
3074
GATE ECE 2017 Set 1 | GA Question: 8
Trucks ($10$ m long) and cars ($5$ m long) go on a single lane bridge. There must be a gap of at least $20$ m after each truck and a gap of at least $15$ m after each car. Trucks and cars travel at a speed of $36$ km/h. If cars and trucks go alternately, what is the maximum number of vehicles that can use the bridge in one hour? $1440$ $1200$ $720$ $600$
Trucks ($10$ m long) and cars ($5$ m long) go on a single lane bridge. There must be a gap of at least $20$ m after each truck and a gap of at least $15$ m after each car...
admin
46.4k
points
110
views
admin
asked
Nov 17, 2017
Quantitative Aptitude
gate2017-ec-1
numerical-ability
speed-time-distance
+
–
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