GO Electronics
Login
Register
Dark Mode
Brightness
Profile
Edit Profile
Messages
My favorites
My Updates
Logout
Filter
Recent
Hot!
Most votes
Most answers
Most views
Previous GATE
Featured
Recent questions
0
votes
0
answers
1321
GATE ECE 1994 | Question 2.14
A $2 \; \mu \; \mathrm{sec}$ pulse can be strecthed into a $10 \mathrm{~m \; sec}$ pulse by using a ________ circuit.
A $2 \; \mu \; \mathrm{sec}$ pulse can be strecthed into a $10 \mathrm{~m \; sec}$ pulse by using a ________ circuit.
admin
46.4k
points
111
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1322
GATE ECE 1994 | Question 2.15
Synchronous counters are __________ than the ripple counters.
Synchronous counters are __________ than the ripple counters.
admin
46.4k
points
107
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1323
GATE ECE 1994 | Question 2.16
A ring oscillator consisting of $5$ inverters is running at a frequency of $1.0 \; \mathrm{MHz}$. The propagation delay per gate is_________ $n \; \mathrm{sec}$.
A ring oscillator consisting of $5$ inverters is running at a frequency of $1.0 \; \mathrm{MHz}$. The propagation delay per gate is_________ $n \; \mathrm{sec}$.
admin
46.4k
points
164
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1324
GATE ECE 1994 | Question 2.17
A $10 \; \mathrm{MHz}$ carrier is frequency modulated by a sinusoidal signal of $500 \; \mathrm{hz}$, the maximum frequency deviation being $50 \; \mathrm{kHz}$. The bandwidth required, as given by the Carson's rule is ____________.
A $10 \; \mathrm{MHz}$ carrier is frequency modulated by a sinusoidal signal of $500 \; \mathrm{hz}$, the maximum frequency deviation being $50 \; \mathrm{kHz}$. The band...
admin
46.4k
points
113
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1325
GATE ECE 1994 | Question 2.18
The bandwidth required for the transmission of a $\text{PCM}$ signal increases by a factor of _________ when the number of quantization levels is increased from $4$ to $64$ .
The bandwidth required for the transmission of a $\text{PCM}$ signal increases by a factor of _________ when the number of quantization levels is increased from $4$ to $6...
admin
46.4k
points
103
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1326
GATE ECE 1994 | Question 2.19
A load impedance, $(200+\mathrm{jo}) \; \Omega$ is to be matched to a $50 \; \Omega$ lossless transmission line by using a a quarter wave line transformer $\text{(QWT)}$. The characteristic impedance of the $\text{QWT}$ required is ____________.
A load impedance, $(200+\mathrm{jo}) \; \Omega$ is to be matched to a $50 \; \Omega$ lossless transmission line by using a a quarter wave line transformer $\text{(QWT)}$....
admin
46.4k
points
116
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1327
GATE ECE 1994 | Question 2.20
The interior of a $\frac{20}{3} \mathrm{~cm} \times \frac{20}{4} \mathrm{~cm}$ rectangular wave guide is completely filled with a dielectric of $\varepsilon_{r}=4$. Waves of free space wave-lengths shorter than ___________ can be propagated in the $TE_{11}$ mode.
The interior of a $\frac{20}{3} \mathrm{~cm} \times \frac{20}{4} \mathrm{~cm}$ rectangular wave guide is completely filled with a dielectric of $\varepsilon_{r}=4$. Waves...
admin
46.4k
points
114
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1328
GATE ECE 1994 | Question 3.1
$Z(s)=\frac{5}{s^{2}+4}$ represents the input impedance of a network.
$Z(s)=\frac{5}{s^{2}+4}$ represents the input impedance of a network.
admin
46.4k
points
181
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1329
GATE ECE 1994 | Question 3.2
Tachometer feedback in $a d.c$. position control system enhances stability.
Tachometer feedback in $a d.c$. position control system enhances stability.
admin
46.4k
points
66
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1330
GATE ECE 1994 | Question 3.3
If $G(s)$ is a stable transfer function, then $F(s)=\frac{1}{G(s)}$ is always a stable transfer function.
If $G(s)$ is a stable transfer function, then $F(s)=\frac{1}{G(s)}$ is always a stable transfer function.
admin
46.4k
points
28
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1331
GATE ECE 1994 | Question 3.4
A $p$-type silicon sample has a higher conductivity compared to an $n$-type sample having the same dopant concentration.
A $p$-type silicon sample has a higher conductivity compared to an $n$-type sample having the same dopant concentration.
admin
46.4k
points
32
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1332
GATE ECE 1994 | Question 3.5
Channel current is reduced on application of a more positive voltage to the gate of a depletion mode $n$-channel $\text{MOSFET}$.
Channel current is reduced on application of a more positive voltage to the gate of a depletion mode $n$-channel $\text{MOSFET}$.
admin
46.4k
points
29
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1333
GATE ECE 1994 | Question 3.6
The look-ahead carry adder is a parallel carry adder where all sum digits are generated directly from the input digits.
The look-ahead carry adder is a parallel carry adder where all sum digits are generated directly from the input digits.
admin
46.4k
points
27
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1334
GATE ECE 1994 | Question 3.7
In the output stage of a standard $\text{TTL}$, have a diode between the emitter of the pull-up transistor and the collector of the pull-down transistor. The purpose of this diode is to isolate the output node from the power supply $V_{\alpha^{\circ}}$
In the output stage of a standard $\text{TTL}$, have a diode between the emitter of the pull-up transistor and the collector of the pull-down transistor. The purpose of t...
admin
46.4k
points
105
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1335
GATE ECE 1994 | Question 3.8
Pulse-width modulated signals are immune to noise since their amplitude is constant.
Pulse-width modulated signals are immune to noise since their amplitude is constant.
admin
46.4k
points
52
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1336
GATE ECE 1994 | Question 3.9
Noise figure of an amplifier is always greater than $1$ .
Noise figure of an amplifier is always greater than $1$ .
admin
46.4k
points
34
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1337
GATE ECE 1994 | Question 3.10
If a pure resistance load, when connected to a lossless $75$ – ohm line, produces a $\text{VSWR}$ of $3$ on the line, then the load impedance can only be $25$ ohms.
If a pure resistance load, when connected to a lossless $75$ – ohm line, produces a $\text{VSWR}$ of $3$ on the line, then the load impedance can only be $25$ ohms.
admin
46.4k
points
26
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1338
GATE ECE 1994 | Question 4.1
(A) $a_{1} \frac{d^{2} y}{d x^{2}}+a_{2} y \frac{d y}{d x}+a_{3} y=a_{4}$ (B) $a_{1} \frac{d^{3} y}{d x^{3}}+a_{2} y=a_{3}$ ... Non-liner differential equation Linear differential equation with constant coefficients Linear homogeneous differential equation Non-linear homogeneous differential equation Non-linear first order differential equation
(A) $a_{1} \frac{d^{2} y}{d x^{2}}+a_{2} y \frac{d y}{d x}+a_{3} y=a_{4}$(B) $a_{1} \frac{d^{3} y}{d x^{3}}+a_{2} y=a_{3}$(C) $a_{1} \frac{d^{2} y}{d x^{2}}+a_{2} x \frac...
admin
46.4k
points
53
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1339
GATE ECE 1994 | Question 4.2
The response of an $\text{LCR}$ circuit to a step input is If the transfer function has (1) poles on the (A) over damped negative real axis (2) poles on the (B) critically damped imaginary axis (3) multiple poles on (C) oscillatory the positive realaxis (4) poles on the positive real axis (5) multiple poles on the negative real axis
The response of an $\text{LCR}$ circuit to a step input is If the transfer function has(1) poles on the(A) over damped negative real axis(2) poles on the(B) critically da...
admin
46.4k
points
64
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1340
GATE ECE 1994 | Question 4.3
(A) Very low response at very high frequencies (B) Over shoot (C) Synchro-control transformer output Low-pass systems Velocity damping Natural frequency Phase-sensitive modulation Damping ratio
(A) Very low response at very high frequencies(B) Over shoot(C) Synchro-control transformer outputLow-pass systemsVelocity dampingNatural frequencyPhase-sensitive modulat...
admin
46.4k
points
38
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1341
GATE ECE 1994 | Question 4.4
(A) The current gain of a $\text{BJT}$ will be increased if (B) The current gain of a $\text{BJT}$ will be reduced if (C) The break-down voltage of a $\text{BJT}$ will be reduced if The collector ... concentration is increased keeping the ratio of the emitter doping concentration to base doping concentration, constant. The collector doping concentration is reduced.
(A) The current gain of a $\text{BJT}$ will be increased if(B) The current gain of a $\text{BJT}$ will be reduced if(C) The break-down voltage of a $\text{BJT}$ will be r...
admin
46.4k
points
62
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1342
GATE ECE 1994 | Question: 4.5
(A) Hartley (1) Low frequency oscillator (B) Wien-bridge (2) High frequency oscillator (C) Crystal (3) Stable frequency oscillator (4) Relaxation frequency oscillator (5) Negative resistance oscillator
(A) Hartley(1) Low frequency oscillator(B) Wien-bridge(2) High frequency oscillator(C) Crystal(3) Stable frequency oscillator (4) Relaxation frequency oscillator (5) Nega...
admin
46.4k
points
35
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1343
GATE ECE 1994 | Question: 4.6
Type of $\mathrm{ADC}$ (A) Successive approximation (1) $1$ (B) Dual-slope (2) $8$ (C) Parallel Comparator (3) $16$ (4) $256$ (5) $512$ Maximum conversion for $8$-bit $\text{ADC}$ in clock cycles.
Type of $\mathrm{ADC}$(A) Successive approximation(1) $1$(B) Dual-slope(2) $8$(C) Parallel Comparator(3) $16$ (4) $256$ (5) $512$ Maximum conversion for $8$-bit $\text{AD...
admin
46.4k
points
53
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1344
GATE ECE 1994 | Question 4.7
(a) Single side band (1) Envelope detector (b) Amplitude (2) Integrate and dump modulation (c) Binary phase-shift (3) Hilbert transform keying (4) Ratio detector (5) Phase-locked loop
(a) Single side band(1) Envelope detector(b) Amplitude(2) Integrate and dump modulation(c) Binary phase-shift(3) Hilbert transform keying (4) Ratio detector (5) Phase-loc...
admin
46.4k
points
34
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1345
GATE ECE 1994 | Question 4.8
(A) $\overrightarrow{\mathrm{V}} \times \overrightarrow{\mathrm{H}}=\overrightarrow{\mathrm{J}}$ (1)Continuity equation (B) $\int_{c} \vec{E} \cdot \overrightarrow{a_{t}}=-\frac{d}{f} \int \vec{B} \cdot \overrightarrow{d s}$ (2) Faraday's ... (3) Ampere's Law (4) Gauss's law (5) Biot-Savart law
(A) $\overrightarrow{\mathrm{V}} \times \overrightarrow{\mathrm{H}}=\overrightarrow{\mathrm{J}}$(1)Continuity equation(B) $\int_{c} \vec{E} \cdot \overrightarrow{a_{t}}=-...
admin
46.4k
points
54
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
1
votes
0
answers
1346
GATE ECE 2007 | Question: 1
If $E$ denotes expectation, the variance of a random variable $X$ is given by $E\left[X^2\right]-E^2[X]$ $E\left[X^2\right]+E^2[X]$ $E\left[X^2\right]$ $E^2[X]$
If $E$ denotes expectation, the variance of a random variable $X$ is given by$E\left[X^2\right]-E^2[X]$$E\left[X^2\right]+E^2[X]$$E\left[X^2\right]$$E^2[X]$
admin
46.4k
points
100
views
admin
asked
Sep 19, 2022
Others
gate2007-ec
+
–
1
votes
0
answers
1347
GATE ECE 2007 | Question: 2
The following plot shows a function $y$ which varies linearly with $x$. The value of the integral $I=\displaystyle{}\int_1^2 y d x$ is $1.0$ $2.5$ $4.0$ $5.0$
The following plot shows a function $y$ which varies linearly with $x$. The value of the integral $I=\displaystyle{}\int_1^2 y d x$ is$1.0$$2.5$$4.0$$5.0$
admin
46.4k
points
64
views
admin
asked
Sep 19, 2022
Others
gate2007-ec
+
–
1
votes
0
answers
1348
GATE ECE 2007 | Question: 3
For $|x| \ll 1$, $\operatorname{coth}(x)$ can be approximated as $x$ $x^2$ $\frac{1}{x}$ $\frac{1}{x^2}$
For $|x| \ll 1$, $\operatorname{coth}(x)$ can be approximated as$x$$x^2$$\frac{1}{x}$$\frac{1}{x^2}$
admin
46.4k
points
49
views
admin
asked
Sep 19, 2022
Others
gate2007-ec
+
–
1
votes
0
answers
1349
GATE ECE 2007 | Question: 4
$\displaystyle{}\lim _{\theta \rightarrow 0} \frac{\sin (\theta / 2)}{\theta}$ is $0.5$ $1$ $2$ not defined
$\displaystyle{}\lim _{\theta \rightarrow 0} \frac{\sin (\theta / 2)}{\theta}$ is$0.5$$1$$2$not defined
admin
46.4k
points
95
views
admin
asked
Sep 19, 2022
Others
gate2007-ec
+
–
1
votes
0
answers
1350
GATE ECE 2007 | Question: 5
Which one of the following functions is strictly bounded? $\frac{1}{x^2}$ $e^x$ $x^2$ $e^{-x^2}$
Which one of the following functions is strictly bounded?$\frac{1}{x^2}$$e^x$$x^2$$e^{-x^2}$
admin
46.4k
points
98
views
admin
asked
Sep 19, 2022
Others
gate2007-ec
+
–
1
votes
0
answers
1351
GATE ECE 2007 | Question: 6
For the function $e^{-x}$, the linear approximation around $x=2$ is $(3-x) e^{-2}$ $1-x$ $[3+2 \sqrt{2}-\left(1+\sqrt{2}\right) x] e^{-2}$ $e^{-2}$
For the function $e^{-x}$, the linear approximation around $x=2$ is$(3-x) e^{-2}$$1-x$$[3+2 \sqrt{2}-\left(1+\sqrt{2}\right) x] e^{-2}$$e^{-2}$
admin
46.4k
points
118
views
admin
asked
Sep 19, 2022
Others
gate2007-ec
+
–
1
votes
0
answers
1352
GATE ECE 2007 | Question: 7
An independent voltage source in series with an impedance $\mathbf{Z}_{\mathrm{s}}=R_{\mathrm{s}}+j X_{\mathrm{s}}$ delivers a maximum average power to a load impedance $\mathbf{Z}_{\mathrm{L}}$ when $\mathbf{Z}_{\mathrm{L}}=R_{\mathrm{S}}+j X_s$ $\mathbf{Z}_{\mathrm{L}}=R_{\mathrm{S}}$ $\mathbf{Z}_{\mathrm{L}}=j X_s$ $\mathbf{Z}_{\mathrm{L}}=R_{\mathrm{S}}-j X_s$
An independent voltage source in series with an impedance $\mathbf{Z}_{\mathrm{s}}=R_{\mathrm{s}}+j X_{\mathrm{s}}$ delivers a maximum average power to a load impedance $...
admin
46.4k
points
104
views
admin
asked
Sep 19, 2022
Others
gate2007-ec
+
–
1
votes
0
answers
1353
GATE ECE 2007 | Question: 8
The $RC$ circuit shown in the figure is a low-pass filter a high-pass filter a band-pass filter a band-reject filter
The $RC$ circuit shown in the figure isa low-pass filtera high-pass filtera band-pass filtera band-reject filter
admin
46.4k
points
103
views
admin
asked
Sep 19, 2022
Others
gate2007-ec
+
–
1
votes
1
answer
1354
GATE ECE 2007 | Question: 9
The electron and hole concentrations in an intrinsic semiconductor are $n_i$ per $\mathrm{cm}^3$ at $300 \mathrm{~K}$. Now, if acceptor impurities are introduced with a concentration of $N_A$ per $\mathrm{cm}^3$ (where $N_A \gg n_i$ ), the electron concentration per $\mathrm{cm}^3$ at $300 \mathrm{~K}$ will be $n_{i}$ $n_i+N_A$ $N_A-n_{i}$ $\frac{n_i^2}{N_A}$
The electron and hole concentrations in an intrinsic semiconductor are $n_i$ per $\mathrm{cm}^3$ at $300 \mathrm{~K}$. Now, if acceptor impurities are introduced with a c...
admin
46.4k
points
275
views
admin
asked
Sep 19, 2022
Others
gate2007-ec
+
–
1
votes
0
answers
1355
GATE ECE 2007 | Question: 10
In a $p^{+} n$ junction diode under reverse bias, the magnitude of electric field is maximum at the edge of the depletion region on the $p$-side the edge of the depletion region on the $n$-side the $p^{+} n$ junction the centre of the depletion region on the $n$-side
In a $p^{+} n$ junction diode under reverse bias, the magnitude of electric field is maximum atthe edge of the depletion region on the $p$-sidethe edge of the depletion r...
admin
46.4k
points
113
views
admin
asked
Sep 19, 2022
Others
gate2007-ec
+
–
1
votes
0
answers
1356
GATE ECE 2007 | Question: 11
The correct full wave rectifier circuit is
The correct full wave rectifier circuit is
admin
46.4k
points
105
views
admin
asked
Sep 19, 2022
Others
gate2007-ec
+
–
1
votes
0
answers
1357
GATE ECE 2007 | Question: 12
In a transconductance amplifier, it is desirable to have a large input resistance and a large output resistance a large input resistance and a small output resistance a small input resistance and a large output resistance a small input resistance and a small output resistance
In a transconductance amplifier, it is desirable to havea large input resistance and a large output resistancea large input resistance and a small output resistancea smal...
admin
46.4k
points
109
views
admin
asked
Sep 19, 2022
Others
gate2007-ec
+
–
1
votes
0
answers
1358
GATE ECE 2007 | Question: 13
$\mathrm{X}=01110$ and $\mathrm{Y}=11001$ are two $5$-bit binary numbers represented in two's complement format. The sum of $\mathrm{X}$ and $\mathrm{Y}$ represented in two's complement format using $6$ bits is $100111$ $001000$ $000111$ $101001$
$\mathrm{X}=01110$ and $\mathrm{Y}=11001$ are two $5$-bit binary numbers represented in two's complement format. The sum of $\mathrm{X}$ and $\mathrm{Y}$ represented in t...
admin
46.4k
points
126
views
admin
asked
Sep 19, 2022
Others
gate2007-ec
+
–
1
votes
0
answers
1359
GATE ECE 2007 | Question: 14
The Boolean function $Y=A B+C D$ is to be realized using only $2$ -input NAND gates. The minimum number of gates required is $2$ $3$ $4$ $5$
The Boolean function $Y=A B+C D$ is to be realized using only $2$ -input NAND gates. The minimum number of gates required is$2$$3$$4$$5$
admin
46.4k
points
48
views
admin
asked
Sep 19, 2022
Others
gate2007-ec
+
–
1
votes
0
answers
1360
GATE ECE 2007 | Question: 15
If the closed-loop transfer function of a control system is given as $T(s)=\dfrac{s-5}{(s+2)(s+3)},$ then it is an unstable system an uncontrollable system a minimum phase system a non-minimum phase system
If the closed-loop transfer function of a control system is given as $T(s)=\dfrac{s-5}{(s+2)(s+3)},$ then it isan unstable systeman uncontrollable systema minimum phase s...
admin
46.4k
points
95
views
admin
asked
Sep 19, 2022
Others
gate2007-ec
+
–
Page:
« prev
1
...
31
32
33
34
35
36
37
...
79
next »
GO Electronics
Email or Username
Show
Hide
Password
I forgot my password
Remember
Log in
Register