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
1281
GATE ECE 2006 | Question: 78
Statement for Linked Answer Questions 78 and 79 The following two questions refer to wide sense stationary stochastic processes It is desired to generate a stochastic process (as voltage process) with power spectral density \[ S(\omega)=\frac{16}{16+\omega^{2}} \] ... filter first order highpass $\mathrm{R-C}$ filter tuned $\text{L-C}$ filter series $\text{R-L}$ filter
Statement for Linked Answer Questions 78 and 79The following two questions refer to wide sense stationary stochastic processesIt is desired to generate a stochastic proce...
admin
46.4k
points
67
views
admin
asked
Sep 20, 2022
Others
gate2006-ec
+
–
0
votes
0
answers
1282
GATE ECE 2006 | Question: 79
Statement for Linked Answer Questions 78 and 79 The following two questions refer to wide sense stationary stochastic processes The parameters of the system obtained in $\text{Q.78}$ would be first order $\text{R-L}$ ... lowpass filter would have $\mathrm{R}=1 \Omega, \mathrm{L}=4 \mathrm{H}, \mathrm{C}=4 \mathrm{F}$
Statement for Linked Answer Questions 78 and 79The following two questions refer to wide sense stationary stochastic processesThe parameters of the system obtained in $\t...
admin
46.4k
points
29
views
admin
asked
Sep 20, 2022
Others
gate2006-ec
+
–
0
votes
0
answers
1283
GATE ECE 2006 | Question: 80
Statement for Linked Answer Questions 80 and 81 Consider the following Amplitude Modulated (AM) signal, where $f_{m}<\mathrm{B}$ \[x_{\mathrm{AM}}(t)=10\left(1+0.5 \sin 2 \pi f_{m} t\right) \cos 2 \pi f_{c} t\] The average side-band power for the $\text{AM}$ signal given above is $25$ $12.5$ $6.25$ $3.125$
Statement for Linked Answer Questions 80 and 81Consider the following Amplitude Modulated (AM) signal, where $f_{m}<\mathrm{B}$\[x_{\mathrm{AM}}(t)=10\left(1+0.5 \sin 2 \...
admin
46.4k
points
29
views
admin
asked
Sep 20, 2022
Others
gate2006-ec
+
–
0
votes
0
answers
1284
GATE ECE 2006 | Question: 81
Statement for Linked Answer Questions 80 and 81 Consider the following Amplitude Modulated (AM) signal, where $f_{m}<\mathrm{B}$ \[x_{\mathrm{AM}}(t)=10\left(1+0.5 \sin 2 \pi f_{m} t\right) \cos 2 \pi f_{c} t\] The $\text{AM}$ signal gets added to a noise with ... $\frac{25}{2 \mathrm{N}_{0} \mathrm{B}}$ $\frac{25}{\mathrm{N}_{0} \mathrm{B}}$
Statement for Linked Answer Questions 80 and 81Consider the following Amplitude Modulated (AM) signal, where $f_{m}<\mathrm{B}$\[x_{\mathrm{AM}}(t)=10\left(1+0.5 \sin 2 \...
admin
46.4k
points
66
views
admin
asked
Sep 20, 2022
Others
gate2006-ec
+
–
0
votes
0
answers
1285
GATE ECE 2006 | Question: 82
Statement for Linked Answer Questions 82 and 83 Consider a unity-gain feedback control system whose open-loop transfer function is \[G(s)=\frac{as+1}{s^{2}}\] The value of '$a$' so that the system has a phase-margin equal to $\frac{\pi}{4}$ is approximately equal to $2.40$ $1.40$ $0.84$ $0.74$
Statement for Linked Answer Questions 82 and 83Consider a unity-gain feedback control system whose open-loop transfer function is\[G(s)=\frac{as+1}{s^{2}}\]The value of '...
admin
46.4k
points
35
views
admin
asked
Sep 20, 2022
Others
gate2006-ec
+
–
0
votes
0
answers
1286
GATE ECE 2006 | Question: 83
Statement for Linked Answer Questions 82 and 83 Consider a unity-gain feedback control system whose open-loop transfer function is \[G(s)=\frac{as+1}{s^{2}}\] With the value of '$a$' set for a phase-margin of $\frac{\pi}{4}$, the value of unit-impulse response of the open-loop system at $t=1$ second is equal to $3.40$ $2.40$ $1.84$ $1.74$
Statement for Linked Answer Questions 82 and 83Consider a unity-gain feedback control system whose open-loop transfer function is\[G(s)=\frac{as+1}{s^{2}}\]With the value...
admin
46.4k
points
32
views
admin
asked
Sep 20, 2022
Others
gate2006-ec
+
–
0
votes
0
answers
1287
GATE ECE 2006 | Question: 84
Statement for Linked Answer Questions 84 and 85 A $30$-Volts battery with zero source resistance is connected to a coaxial line of characteristic impedance of $50$ Ohms at $t=0$ second and terminated in an unknown resistive load. The line length is such that it takes ... load end is found to be $40$ Volts. The load resistance is $25$ Ohms $50$ Ohms $75$ Ohms $100$ Ohms
Statement for Linked Answer Questions 84 and 85A $30$-Volts battery with zero source resistance is connected to a coaxial line of characteristic impedance of $50$ Ohms at...
admin
46.4k
points
47
views
admin
asked
Sep 20, 2022
Others
gate2006-ec
+
–
0
votes
0
answers
1288
GATE ECE 2006 | Question: 85
Statement for Linked Answer Questions 84 and 85 A $30$-Volts battery with zero source resistance is connected to a coaxial line of characteristic impedance of $50$ Ohms at $t=0$ second and terminated in an unknown resistive load. The line length is such that it takes ... The steady-state current through the load resistance is $1.2$ Amps $0.3$ Amps $0.6$ Amps $0.4$ Amps
Statement for Linked Answer Questions 84 and 85A $30$-Volts battery with zero source resistance is connected to a coaxial line of characteristic impedance of $50$ Ohms at...
admin
46.4k
points
66
views
admin
asked
Sep 20, 2022
Others
gate2006-ec
+
–
0
votes
0
answers
1289
GATE ECE 1994 | Question 1.1
The Laplace transform of a unit ramp function starting at $t=a$, is $\frac{1}{(s+a)^{2}}$ $\frac{e^{-as}}{(s+a)^{2}}$ $\frac{e^{-as}}{s^{2}}$ $\frac{a}{s^{2}}$
The Laplace transform of a unit ramp function starting at $t=a$, is$\frac{1}{(s+a)^{2}}$$\frac{e^{-as}}{(s+a)^{2}}$$\frac{e^{-as}}{s^{2}}$$\frac{a}{s^{2}}$
admin
46.4k
points
150
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1290
GATE ECE 1994 | Question: 1.2
The Fourice Series of a odd periọdic function, contains only odd harmonics even harmonics cosine terms sine terms
The Fourice Series of a odd periọdic function, contains onlyodd harmonicseven harmonicscosine termssine terms
admin
46.4k
points
120
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1291
GATE ECE 1994 | Question 1.3
A series $\text{LCR}$ circuit consisting of $R=10 \; \Omega$, $\left|X_{L}\right|=20 \; \Omega$ and $\left|X_{C}\right|=20 \; \Omega$, is connected across an $a . c$. supply of $200 \text{V rms}$ . The $\text{rms}$ ... $400 \; \angle-90^{\circ} \; \mathrm{V}$ $400 \; \angle-90^{\circ} \; \mathrm{V}$
A series $\text{LCR}$ circuit consisting of $R=10 \; \Omega$, $\left|X_{L}\right|=20 \; \Omega$ and $\left|X_{C}\right|=20 \; \Omega$, is connected across an $a . c$. sup...
admin
46.4k
points
59
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1292
GATE ECE 1994 | Question 1.4
A ramp voltage, $v(t)=100$ volts, is applied to an $R C$ differentiating circuit with $R=5 \; \mathrm{k} \Omega$ and $C=4$ $\mu \mathrm{F}$. The maximum output voltage is $0.2$ volts $2.0$ volts $10.0$ volts $50.0$ volts
A ramp voltage, $v(t)=100$ volts, is applied to an $R C$ differentiating circuit with $R=5 \; \mathrm{k} \Omega$ and $C=4$ $\mu \mathrm{F}$. The maximum output voltage is...
admin
46.4k
points
89
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1293
GATE ECE 1994 | Question 1.5
The $3-d \mathrm{B}$ bandwidth of a typical second-order system with the transfer function $\frac{\mathrm{C}(s)}{\mathrm{R}(s)}=\frac{w_{n}^{2}}{s^{2} \mathrm{t}+2 x w_{n} s+w_{n}^{2}}$ is given by $\omega_{n}=\sqrt{1-2 \xi^{2}}$ ... $\omega_{n}=\sqrt{\left.1-2 \xi^{2}\right)+\sqrt{4 \xi^{4}-4 \xi^{2}+2}}$
The $3-d \mathrm{B}$ bandwidth of a typical second-order system with the transfer function$\frac{\mathrm{C}(s)}{\mathrm{R}(s)}=\frac{w_{n}^{2}}{s^{2} \mathrm{t}+2 x w_{n}...
admin
46.4k
points
93
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1294
GATE ECE 1994 | Question 1.6
If the open-loop transfer function is a ratio of a numerator polynomial of degree ' $m$ ' and a denominator polynomial of degree '$n$', then the integer $(n-m)$ represents the number of breakaway points unstable poles separate root loci asymtotes
If the open-loop transfer function is a ratio of a numerator polynomial of degree ' $m$ ' and a denominator polynomial of degree '$n$', then the integer $(n-m)$ represent...
admin
46.4k
points
109
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1295
GATE ECE 1994 | Question 1.7
A small concentration of minority carries is injected into a homogeneous semiconductor crystal at one point. An electric field of $10 \mathrm{~V} . \mathrm{cm}$ is applied across the crystal and this moves the minority carriers a distance of $1 \mathrm{~cm}$ ... . The mobility (in $\mathrm{cm}^{2} /$ volt. sec) will be $1,000$ $2,000$ $5,000$ $500,000$
A small concentration of minority carries is injected into a homogeneous semiconductor crystal at one point. An electric field of $10 \mathrm{~V} . \mathrm{cm}$ is applie...
admin
46.4k
points
77
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1296
GATE ECE 1994 | Question 1.8
The threshold voltage of an $n$ channel $\text{MOSFET}$ can be increased by increasing the channel dopant concentration reducing the channel dopant concentration reducing the gate-oxide thickness reducing the channel length
The threshold voltage of an $n$ channel $\text{MOSFET}$ can be increased byincreasing the channel dopant concentrationreducing the channel dopant concentrationreducing th...
admin
46.4k
points
69
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1297
GATE ECE 1994 | Question 1.9
A class - A transformer coupled, transistor power amplifier is required to deliver a power output of $10$ watts. The maximum power rating of the transistor should not be less than $5 \mathrm{~W}$ $10 \mathrm{~W}$ $20 \mathrm{~W}$ $40 \mathrm{~W}$
A class - A transformer coupled, transistor power amplifier is required to deliver a power output of $10$ watts. The maximum power rating of the transistor should not be ...
admin
46.4k
points
45
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1298
GATE ECE 1994 | Question 1.10
Data can be changed from spatial code to temporal code and vice-versa by using $\text{ADC}$s and $\text{DAC}$s shift-registers synchronous counters timers
Data can be changed from spatial code to temporal code and vice-versa by using$\text{ADC}$s and $\text{DAC}$sshift-registerssynchronous counterstimers
admin
46.4k
points
114
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1299
GATE ECE 1994 | Question 1.11
The output of a logic gate is ‘$1$’ when all its inputs are at logic ‘$0$’. Then gate is either a $\text{NAND}$ or an $\text{EX-OR}$ gate a $\text{NOR}$ or an $\text{EX-NOR}$ gate an $\text{OR}$ or an $\text{EX-NOR}$ gate an $\text{AND}$ or an $\text{EX-OR}$ gate
The output of a logic gate is ‘$1$’ when all its inputs are at logic ‘$0$’. Then gate is eithera $\text{NAND}$ or an $\text{EX-OR}$ gatea $\text{NOR}$ or an $\tex...
admin
46.4k
points
111
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1300
GATE ECE 1994 | Question 1.12
A $\text{PLA}$ can be used as a microprocessor as a dynamic memory to realise a sequential logic to realise a combinational logic
A $\text{PLA}$ can be usedas a microprocessoras a dynamic memoryto realise a sequential logicto realise a combinational logic
admin
46.4k
points
103
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1301
GATE ECE 1994 | Question 1.13
A dynamic $\text{RAM}$ consists of $6$ transistors $2$ transistors and $2$ capacitors $1$ transistor and $1$ capacitor $2$ capacitors only
A dynamic $\text{RAM}$ consists of$6$ transistors$2$ transistors and $2$ capacitors$1$ transistor and $1$ capacitor$2$ capacitors only
admin
46.4k
points
92
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1302
GATE ECE 1994 | Question 1.14
$v(t)=5[\cos (106 \; \pi t)-\sin (103 \; \pi t) \times \sin (106 \; \pi t)$ represents $\text{DSB}$ suppressed carrier signal $\text{AM}$ signal $\text{SSB}$ upper sideband signal Narrow band $\text{FM}$ signal
$v(t)=5[\cos (106 \; \pi t)-\sin (103 \; \pi t) \times \sin (106 \; \pi t)$ represents$\text{DSB}$ suppressed carrier signal$\text{AM}$ signal$\text{SSB}$ upper sideband ...
admin
46.4k
points
98
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1303
GATE ECE 1994 | Question 1.15
Increased pulse-width in the flat-top sampling, leads to attenuation of high frequencies in reproduction attenuation of low frequencies in reproduction greater aliasing errors in reproduction no harmful effects in reproduction
Increased pulse-width in the flat-top sampling, leads toattenuation of high frequencies in reproductionattenuation of low frequencies in reproductiongreater aliasing erro...
admin
46.4k
points
99
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1304
GATE ECE 1994 | Question 1.16
Medium wave radio signals may be received at far off distances at night because radio waves travel faster at night ground wave attenuation is low at night the sky wave is stronger at night their is no fading at night
Medium wave radio signals may be received at far off distances at night becauseradio waves travel faster at nightground wave attenuation is low at nightthe sky wave is st...
admin
46.4k
points
111
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1305
GATE ECE 1994 | Question 1.17
For a short wave radio link between two stations via the ionosphere, the ratio of the maximum usable frequency to the critical frequency is always less than $1$ is always greater than $1$ may be less than or more than $1$ depending on the distance between the two stations does not depend on the distance between the two stations
For a short wave radio link between two stations via the ionosphere, the ratio of the maximum usable frequency to the critical frequencyis always less than $1$is always g...
admin
46.4k
points
103
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1306
GATE ECE 1994 | Question 1.18
A plane eelctromagnetic wave travelling along $+z$ – direction, has its electric field given by $\mathrm{E}_{x}=2 \cos \left({ }^{*} t\right)$ and $\mathrm{E}_{y}=2 \cos \left({ }^{*} t+90^{\circ}\right)$. The wave is linearly polarised right circularly polarised left circularly polarised elliptically polarised
A plane eelctromagnetic wave travelling along $+z$ – direction, has its electric field given by$\mathrm{E}_{x}=2 \cos \left({ }^{*} t\right)$ and $\mathrm{E}_{y}=2 \cos...
admin
46.4k
points
96
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1307
GATE ECE 1994 | Question 1.19
For a dipole antenna the radiation intensity is maximum along the normal to the dipole axis the current distribution along its length is uniform irrespective of the length the effective length equals its physical length the input impedance is independent of the location of the feed-point
For a dipole antennathe radiation intensity is maximum along the normal to the dipole axisthe current distribution along its length is uniform irrespective of the lengtht...
admin
46.4k
points
119
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1308
GATE ECE 1994 | Question 2.1
$ \quad f_{c} \vec{A} \cdot d \vec{t} =\int_{s}---. d \vec{s}$
$ \quad f_{c} \vec{A} \cdot d \vec{t} =\int_{s} -. d \vec{s}$
admin
46.4k
points
108
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1309
GATE ECE 1994 | Question 2.2
The rank of an $(m \times n)$ matrix $(m < n)$ cannot be more than __________.
The rank of an $(m \times n)$ matrix $(m < n)$ cannot be more than __________.
admin
46.4k
points
110
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1310
GATE ECE 1994 | Question 2.3
The condition that a $z$-port network is reciprocal, can be expressed in terms of its $\mathrm{ABCD}$ parameters as _________.
The condition that a $z$-port network is reciprocal, can be expressed in terms of its $\mathrm{ABCD}$ parameters as _________.
admin
46.4k
points
106
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1311
GATE ECE 1994 | Question 2.4
A generator of internal impedance, $Z_{\mathrm{G}^{\prime}}$ deliver maximum power to a load impedance, $Z_{I^{\prime}}$ only if $Z_{I^{\prime}}=$ _________.
A generator of internal impedance, $Z_{\mathrm{G}^{\prime}}$ deliver maximum power to a load impedance, $Z_{I^{\prime}}$ only if $Z_{I^{\prime}}=$ _________.
admin
46.4k
points
103
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1312
GATE ECE 1994 | Question 2.5
The open loop frequency response of a system at two particular frequencies are given by : $1.2 \; \angle \; 180^{\circ}$ and $1.0 \; \angle \; -190^{\circ}$. The closed loop unity feed back control is then ___________.
The open loop frequency response of a system at two particular frequencies are given by : $1.2 \; \angle \; 180^{\circ}$ and $1.0 \; \angle \; -190^{\circ}$.The closed lo...
admin
46.4k
points
153
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1313
GATE ECE 1994 | Question 2.6
The poles of a continuous time oscillators are ___________.
The poles of a continuous time oscillators are ___________.
admin
46.4k
points
104
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1314
GATE ECE 1994 | Question 2.7
The forward dynamic resistance of a junction diode varies ________ as the forward current.
The forward dynamic resistance of a junction diode varies ________ as the forward current.
admin
46.4k
points
266
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1315
GATE ECE 1994 | Question 2.8
The transit time of the current carriers through the channel of an $\text{FET}$ decides its _________ chracteristics.
The transit time of the current carriers through the channel of an $\text{FET}$ decides its _________ chracteristics.
admin
46.4k
points
104
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1316
GATE ECE 1994 | Question 2.9
In order to reduce the harmonic distortion in an amplifier, its dynamic range has to be ___________.
In order to reduce the harmonic distortion in an amplifier, its dynamic range has to be ___________.
admin
46.4k
points
261
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1317
GATE ECE 1994 | Question 2.10
A common emitter transistor amplifier has a cullector corrent of $1.0 \mathrm{~mA}$ when its base current is $25 \; \mu \mathrm{A}$ at the room temperature. It's input resistance is approximately equal to ___________.
A common emitter transistor amplifier has a cullector corrent of $1.0 \mathrm{~mA}$ when its base current is $25 \; \mu \mathrm{A}$ at the room temperature. It's input re...
admin
46.4k
points
70
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1318
GATE ECE 1994 | Question 2.11
A pulse having a rise time of $40 \mathrm{n \; sec}$ is displayed on a $\text{CRO}$ of $12 \; \mathrm{MHz}$ bandwidth. The rise time of the pulse as observed on the $\text{CRO}$ would be approximately equal to ____________.
A pulse having a rise time of $40 \mathrm{n \; sec}$ is displayed on a $\text{CRO}$ of $12 \; \mathrm{MHz}$ bandwidth. The rise time of the pulse as observed on the $\tex...
admin
46.4k
points
121
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1319
GATE ECE 1994 | Question 2.12
For the $2 \mathrm{N} \; 338$ transistor, the manufacturer specifics $\mathrm{P}_{\max }=100 \mathrm{~mW}$ at $25^{\circ} \mathrm{C}$ free-air temperature and the maximum Junction temperature, $\mathrm{T}_{\mathrm{jmax}{ }^{\prime}}=125^{\circ} \mathrm{C}$. Its thermal resistance is ___________.
For the $2 \mathrm{N} \; 338$ transistor, the manufacturer specifics $\mathrm{P}_{\max }=100 \mathrm{~mW}$ at $25^{\circ} \mathrm{C}$ free-air temperature and the maximum...
admin
46.4k
points
120
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
0
votes
0
answers
1320
GATE ECE 1994 | Question 2.13
The frequency compensation is used in $\text{op-amps}$ to increase its __________.
The frequency compensation is used in $\text{op-amps}$ to increase its __________.
admin
46.4k
points
109
views
admin
asked
Sep 19, 2022
Others
gate1994-ec
+
–
Page:
« prev
1
...
30
31
32
33
34
35
36
...
79
next »
GO Electronics
Email or Username
Show
Hide
Password
I forgot my password
Remember
Log in
Register