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Most viewed questions in Electronic Devices
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81
GATE ECE 2014 Set 2 | Question: 8
A silicon bar is doped with donor impurities $N_{D}= 2.25 \times 10^{15} \text{atoms} / cm^{3}$. Given the intrinsic carrier concentration of silicon at $T = 300 \: K$ is $n_{i}= 1.5 \times 10^{10} cm^{-3}.$ Assuming complete impurity ionization, the equilibrium electron and ... $n_{0}=2.25\times 10^{15}cm^{-3}, \: p_{0}= 1\times 10^{5}cm^{-3}$
A silicon bar is doped with donor impurities $N_{D}= 2.25 \times 10^{15} \text{atoms} / cm^{3}$. Given the intrinsic carrier concentration of silicon at $T = 300 \: K$ is...
Milicevic3306
16.0k
points
102
views
Milicevic3306
asked
Mar 26, 2018
Electronic Devices
gate2014-ec-2
electronic-devices
intrinsic-and-extrinsic-silicon
+
–
0
votes
0
answers
82
GATE ECE 2017 Set 2 | Question: 11
Consider an $n$-channel MOSFET having width $W$, length $L$, electron mobility in the channel $\mu _{n}$ and oxide capacitance per unit area $C_{ox}$. If gate-to-source $V_{GS}=0.7$ V, drain-to-source voltage $V_{DS}=0.1 V$, $\mu _{n}C_{ox}=100 \mu A/V^{2}$, threshold voltage $V_{TH}=0.3V$ and $(W/L)=50$, then the transconductance $g_{m}$ (in mA/V) is __________.
Consider an $n$-channel MOSFET having width $W$, length $L$, electron mobility in the channel $\mu _{n}$ and oxide capacitance per unit area $C_{ox}$. If gate-to-source $...
admin
46.4k
points
101
views
admin
asked
Nov 23, 2017
Electronic Devices
gate2017-ec-2
mosfet
numerical-answers
electronic-devices
+
–
0
votes
0
answers
83
GATE ECE 2016 Set 1 | Question: 39
Consider a silicon sample at $T = 300 \: K$, with a uniform donor density $N_d = 5 \times 10 ^{16} cm^{-3}$ , illuminated uniformly such that the optical generation rate is $G_{opt}=1.5 \times 10^{20} cm^{-3}s^{-1}$ throughout the sample. The incident radiation is turned ... $3.73 \times 10^{11}cm^{-3}$ $7.5 \times 10^{13}cm^{-3}$ and $4.12 \times 10^{11}cm^{-3}$
Consider a silicon sample at $T = 300 \: K$, with a uniform donor density $N_d = 5 \times 10 ^{16} cm^{-3}$ , illuminated uniformly such that the optical generation rate ...
Milicevic3306
16.0k
points
100
views
Milicevic3306
asked
Mar 27, 2018
Electronic Devices
gate2016-ec-1
electronic-devices
intrinsic-and-extrinsic-silicon
+
–
0
votes
0
answers
84
GATE ECE 2014 Set 1 | Question: 8
When the optical power incident on a photodiode is $10\:\mu W$ and the responsivity is $0.8\: A/ W,$ the photocurrent generated $(\text{in} \:\mu A)$ is_______.
When the optical power incident on a photodiode is $10\:\mu W$ and the responsivity is $0.8\: A/ W,$ the photocurrent generated $(\text{in} \:\mu A)$ is_______.
Milicevic3306
16.0k
points
100
views
Milicevic3306
asked
Mar 25, 2018
Electronic Devices
gate2014-ec-1
numerical-answers
electronic-devices
+
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0
votes
0
answers
85
GATE ECE 2015 Set 2 | Question: 10
A piece of silicon is doped uniformly with phosphorous with a doping concentration of $10^{16}/cm^{3}.$ The expected value of mobility versus doping concentration for silicon assuming full dopant ionization is shown below. The charge of an electron is $1.6 \times 10^{-19} \:C.$ The conductivity $\text{(in S } cm^{-1})$ of the silicon sample at $300\:K$ is _______.
A piece of silicon is doped uniformly with phosphorous with a doping concentration of $10^{16}/cm^{3}.$ The expected value of mobility versus doping concentration for sil...
Milicevic3306
16.0k
points
99
views
Milicevic3306
asked
Mar 27, 2018
Electronic Devices
gate2015-ec-2
numerical-answers
electronic-devices
intrinsic-and-extrinsic-silicon
+
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0
votes
0
answers
86
GATE ECE 2013 | Question: 17
In a MOSFET operating in the saturation region, the channel length modulation effect causes an increase in the gate-source capacitance a decrease in the transconductance a decrease in the unity-gain cutoff frequency a decrease in the output resistance
In a MOSFET operating in the saturation region, the channel length modulation effect causes an increase in the gate-source capacitancea decrease in the transconductance a...
Milicevic3306
16.0k
points
99
views
Milicevic3306
asked
Mar 25, 2018
Electronic Devices
gate2013-ec
electronic-devices
+
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0
votes
0
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87
GATE ECE 2014 Set 3 | Question: 31
In the circuit shown in the figure, the value of node voltage $V_{2}$ is $22+j$ $2$ $V$ $2 +j$ $22$ $V$ $22 -j$ $2$ $V$ $2 -j$ $22$ $V$
In the circuit shown in the figure, the value of node voltage $V_{2}$ is $22+j$ $2$ $V$ $2 +j$ $22$ $V$$22 -j$ $2...
Milicevic3306
16.0k
points
96
views
Milicevic3306
asked
Mar 26, 2018
Electronic Devices
gate2014-ec-3
electronic-devices
node-voltage
+
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0
votes
0
answers
88
GATE ECE 2014 Set 3 | Question: 39
For the MOSFET $M_{1}$ shown in the figure, assume $W/L= 2$, $V_{DD}= 2.0 \: V$, $\mu _{n}C_{ox}= 100\mu A/V^{2}$ and $V_{TH}= 0.5 \: V$. The transistor $M_{1}$ switches from saturation region to linear region when $V_{in}$(in $Volts$) is ____________.
For the MOSFET $M_{1}$ shown in the figure, assume $W/L= 2$, $V_{DD}= 2.0 \: V$, $\mu _{n}C_{ox}= 100\mu A/V^{2}$ and $V_{TH}= 0.5 \: V$. The transistor $M_{1}$ switches ...
Milicevic3306
16.0k
points
95
views
Milicevic3306
asked
Mar 26, 2018
Electronic Devices
gate2014-ec-3
numerical-answers
electronic-devices
mosfet
+
–
0
votes
0
answers
89
GATE ECE 2013 | Question: 1
A bulb in a staircase has two switches, one switch being at the ground floor and the other one at the first floor. The bulb can be turned ON and also can be turned OFF by any one of the switches irrespective of the state of the other switch. The logic of switching of the bulb resembles an AND gate an OR gate an XOR gate a NAND gate
A bulb in a staircase has two switches, one switch being at the ground floor and the other one at the first floor. The bulb can be turned ON and also can be turned OFF by...
Milicevic3306
16.0k
points
95
views
Milicevic3306
asked
Mar 25, 2018
Electronic Devices
gate2013-ec
electronic-devices
+
–
0
votes
0
answers
90
GATE ECE 2014 Set 3 | Question: 8
In MOSFET fabrication, the channel length is defined during the process of isolation oxide growth channel stop implantation poly-silicon gate patterning lithography step leading to the contact pads
In MOSFET fabrication, the channel length is defined during the process ofisolation oxide growthchannel stop implantationpoly-silicon gate patterninglithography step lead...
Milicevic3306
16.0k
points
94
views
Milicevic3306
asked
Mar 26, 2018
Electronic Devices
gate2014-ec-3
electronic-devices
analog-circuits
mosfet
+
–
0
votes
0
answers
91
GATE ECE 2013 | Question: 46
In the circuit shown below, the silicon $npn$ transistor $Q$ has a very high value of $\beta.$ The required value of $R_{2}$ in $k\Omega$ to produce $I_{C} = 1\: mA$ is $20$ $30$ $40$ $50$
In the circuit shown below, the silicon $npn$ transistor $Q$ has a very high value of $\beta.$ The required value of $R_{2}$ in $k\Omega$ to produce $I_{C} = 1\: mA$ is$2...
Milicevic3306
16.0k
points
94
views
Milicevic3306
asked
Mar 25, 2018
Electronic Devices
gate2013-ec
electronic-devices
+
–
0
votes
0
answers
92
GATE ECE 2014 Set 2 | Question: 7
In the figure shown, the ideal switch has been open for a long time. If it is closed at t = 0, then the magnitude of the current (in mA) through the $4k \Omega$ resistor at $t= 0^{+}$ is ________.
In the figure shown, the ideal switch has been open for a long time. If it is closed at t = 0, then the magnitude of the current (in mA) through the $4k \Omega$ resistor ...
Milicevic3306
16.0k
points
93
views
Milicevic3306
asked
Mar 26, 2018
Electronic Devices
gate2014-ec-2
numerical-answers
electronic-devices
+
–
0
votes
0
answers
93
GATE ECE 2015 Set 1 | Question: 35
For a silicon diode with long P and N regions, the accepter and donor impurity concentrations are $1 \times 10^{17} \:cm^{-3}$ and $1 \times 10^{15} \: cm^{-3}$, respectively. The lifetimes of electrons in P region and holes in N ... $nA/cm^2$) injected from P region to N region is __________.
For a silicon diode with long P and N regions, the accepter and donor impurity concentrations are $1 \times 10^{17} \:cm^{-3}$ and $1 \times 10^{15} \: cm^{-3}$, respecti...
Milicevic3306
16.0k
points
92
views
Milicevic3306
asked
Mar 27, 2018
Electronic Devices
gate2015-ec-1
numerical-answers
electronic-devices
+
–
0
votes
0
answers
94
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 ___________.
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 permittivit...
Milicevic3306
16.0k
points
92
views
Milicevic3306
asked
Mar 26, 2018
Electronic Devices
gate2014-ec-2
numerical-answers
electronic-devices
p-n-junction
+
–
0
votes
0
answers
95
GATE ECE 2013 | Question: 24
The return loss of a device is found to be $20\:dB.$ The voltage standing wave ratio (VSWR) and magnitude of reflection coefficient are respectively $1.22$ and $0.1$ $0.81$ and $0.1$ $-1.22$ and $0.1$ $2.44$ and $0.2$
The return loss of a device is found to be $20\:dB.$ The voltage standing wave ratio (VSWR) and magnitude of reflection coefficient are respectively $1.22$ and $0.1$$0.81...
Milicevic3306
16.0k
points
92
views
Milicevic3306
asked
Mar 25, 2018
Electronic Devices
gate2013-ec
electronic-devices
+
–
0
votes
0
answers
96
GATE ECE 2016 Set 1 | Question: 37
Consider an $n$-channel metal oxide semiconductor field effect transistor (MOSFET) with a gate-to-source voltage of $1.8$ V. Assume that $\frac{W}{L}=4$, $\mu_NC_{ox}= 70 \times 10^{-6} AV^{-2}$ ... channel length modulation parameter is $0.09 \: V^{-1}$. In the saturation region, the drain conductance (in micro siemens) is _________
Consider an $n$-channel metal oxide semiconductor field effect transistor (MOSFET) with a gate-to-source voltage of $1.8$ V. Assume that $\frac{W}{L}=4$, $\mu_NC_{ox}= 70...
Milicevic3306
16.0k
points
91
views
Milicevic3306
asked
Mar 27, 2018
Electronic Devices
gate2016-ec-1
numerical-answers
electronic-devices
mosfet
+
–
0
votes
0
answers
97
GATE ECE 2014 Set 3 | Question: 7
In the figure shown, the value of the current $I$ (in Amperes) is __________.
In the figure shown, the value of the current $I$ (in Amperes) is __________.
Milicevic3306
16.0k
points
91
views
Milicevic3306
asked
Mar 26, 2018
Electronic Devices
gate2014-ec-3
numerical-answers
electronic-devices
+
–
0
votes
0
answers
98
GATE ECE 2016 Set 2 | Question: 30
In the given circuit, each resistor has a value equal to $1\Omega$. What is the equivalent resistance across the terminals $a$ and $b$? $1/6 \: \Omega$ $1/3 \: \Omega$ $9/20 \: \Omega$ $8/15 \: \Omega$
In the given circuit, each resistor has a value equal to $1\Omega$. What is the equivalent resistance across the terminals $a$...
Milicevic3306
16.0k
points
90
views
Milicevic3306
asked
Mar 27, 2018
Electronic Devices
gate2016-ec-2
electronic-devices
+
–
0
votes
0
answers
99
GATE ECE 2014 Set 4 | Question: 12
Two silicon diodes, with a forward voltage drop of $0.7 \: V$, are used in the circuit shown in the figure. The range of input voltage $V_i$ for which the output voltage $V_o=V_i$, is $-0.3 \:V < V_i < 1.3 \: V$ $-0.3 \:V < V_i < 2 \: V$ $-1.0 \:V < V_i < 2.0 \: V$ $-1.7 \:V < V_i < 2.7 \: V$
Two silicon diodes, with a forward voltage drop of $0.7 \: V$, are used in the circuit shown in the figure. The range of input voltage $V_i$ for which the output voltage ...
Milicevic3306
16.0k
points
90
views
Milicevic3306
asked
Mar 26, 2018
Electronic Devices
gate2014-ec-4
electronic-devices
intrinsic-and-extrinsic-silicon
+
–
0
votes
0
answers
100
GATE ECE 2013 | Question: 30
In the circuit shown below, the knee current of the ideal Zener diode is $10\: mA.$ To maintain $5\: V$ across $R_{L},$ the 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 $250$
In the circuit shown below, the knee current of the ideal Zener diode is $10\: mA.$ To maintain $5\: V$ across $R_{L},$ the minimum value of $R_{L}$ in $\Omega$ and the m...
Milicevic3306
16.0k
points
90
views
Milicevic3306
asked
Mar 25, 2018
Electronic Devices
gate2013-ec
electronic-devices
+
–
0
votes
0
answers
101
GATE ECE 2015 Set 3 | Question: 30
In the circuit shown, the current $I$ flowing through the $50\;\Omega$ resistor will be zero if the value of capacitor $C (\text{in}\: \mu F)$ is ______.
In the circuit shown, the current $I$ flowing through the $50\;\Omega$ resistor will be zero if the value of capacitor $C (\text{in}\: \mu F)$ is ______.
Milicevic3306
16.0k
points
89
views
Milicevic3306
asked
Mar 27, 2018
Electronic Devices
gate2015-ec-3
numerical-answers
electronic-devices
+
–
0
votes
0
answers
102
GATE ECE 2014 Set 2 | Question: 10
In CMOS technology, shallow P-well or N-well regions can be formed using low pressure chemical vapour deposition low energy sputtering low temperature dry oxidation low energy ion-implantation
In CMOS technology, shallow P-well or N-well regions can be formed usinglow pressure chemical vapour deposition low energy sputteringlow temperature dry oxidationlow ener...
Milicevic3306
16.0k
points
89
views
Milicevic3306
asked
Mar 26, 2018
Electronic Devices
gate2014-ec-2
electronic-devices
cmos
+
–
0
votes
0
answers
103
GATE ECE 2014 Set 2 | Question: 34
Assume electronic charge $q= 1.6 \times 10^{-19} \: C$, $kT/q=25 \: mV$ and electron mobility $\mu_{n}= 1000cm^{2}/ V-s$. If the concentration gradient of electrons injected into a $P$-type silicon sample is $ 1 \times 10^{21}/cm^{4}$, the magnitude of electron diffusion current density (in $A/cm^{2}$) is _________ .
Assume electronic charge $q= 1.6 \times 10^{-19} \: C$, $kT/q=25 \: mV$ and electron mobility $\mu_{n}= 1000cm^{2}/ V-s$. If the concentration gradient of electrons injec...
Milicevic3306
16.0k
points
89
views
Milicevic3306
asked
Mar 26, 2018
Electronic Devices
gate2014-ec-2
numerical-answers
electronic-devices
+
–
0
votes
0
answers
104
GATE ECE 2016 Set 2 | Question: 31
In the circuit shown in the figure, the magnitude of the current (in amperes) through $R_{2}$ is ____
In the circuit shown in the figure, the magnitude of the current (in amperes) through $R_{2}$ is ____
Milicevic3306
16.0k
points
88
views
Milicevic3306
asked
Mar 27, 2018
Electronic Devices
gate2016-ec-2
numerical-answers
electronic-devices
+
–
0
votes
0
answers
105
GATE ECE 2019 | Question: 54
In the circuit shown, the threshold voltages of the $pMOS\:\: (|V_{tp}|)$ and $nMOS\:\: (V_{tn})$ transistors are both equal to $1\:V.$ All the transistors have the same output resistance $r_{ds}$ of $6\:M\Omega.$ The other ... area. Ignoring the effect of channel length modulation and body bias, the gain of the circuit is ______ (rounded off to $1$ decimal place).
In the circuit shown, the threshold voltages of the $pMOS\:\: (|V_{tp}|)$ and $nMOS\:\: (V_{tn})$ transistors are both equal to $1\:V.$ All the transistors have the same ...
Arjun
6.6k
points
87
views
Arjun
asked
Feb 12, 2019
Electronic Devices
gate2019-ec
numerical-answers
electronic-devices
+
–
0
votes
0
answers
106
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 $80$
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. Fo...
Milicevic3306
16.0k
points
86
views
Milicevic3306
asked
Mar 25, 2018
Electronic Devices
gate2013-ec
electronic-devices
+
–
0
votes
0
answers
107
GATE ECE 2013 | Question: 35
The ac schematic of an $NMOS$ common-source stage is shown in the figure below, where part of the biasing circuits has been omitted for simplicity. For the $n$-channel $MOSFET\: M,$ the transconductance $g_{m} = 1\; mA/V,$ and body effect and ... effect are to be neglected. The lower cutoff frequency in $Hz$ of the circuit is approximately at $8$ $32$ $50$ $200$
The ac schematic of an $NMOS$ common-source stage is shown in the figure below, where part of the biasing circuits has been omitted for simplicity. For the $n$-channel $...
Milicevic3306
16.0k
points
86
views
Milicevic3306
asked
Mar 25, 2018
Electronic Devices
gate2013-ec
electronic-devices
+
–
0
votes
0
answers
108
GATE ECE 2014 Set 4 | Question: 34
Consider a silicon sample doped with $N_D = 1 \times 10^{15}/cm^3$ donor atoms. Assume that the intrinsic carrier concentration $n_i = 1.5 \times 10^{10}/cm^3$. If the sample is additionally doped with $N_A = 1 \times 10^{18}/cm^3$ acceptor atoms, the approximate number of electrons$/cm^3$ in the sample, at $T=300 \:K$, will be ________.
Consider a silicon sample doped with $N_D = 1 \times 10^{15}/cm^3$ donor atoms. Assume that the intrinsic carrier concentration $n_i = 1.5 \times 10^{10}/cm^3$. If the s...
Milicevic3306
16.0k
points
85
views
Milicevic3306
asked
Mar 26, 2018
Electronic Devices
gate2014-ec-4
numerical-answers
electronic-devices
intrinsic-and-extrinsic-silicon
+
–
0
votes
0
answers
109
GATE ECE 2012 | Question: 26
The source of a silicon ($n_i=10^{10}\:per\:cm^3$) n-channel MOS transistor has an area of $1\:sq\:\mu m$ and a depth of $1\:\mu m$. If the dopant density in the source is $10^{19}/cm^3$, the number of holes in the source region with the above volume is approximately $10^7$ $100$ $10$ $0$
The source of a silicon ($n_i=10^{10}\:per\:cm^3$) n-channel MOS transistor has an area of $1\:sq\:\mu m$ and a depth of $1\:\mu m$. If the dopant density in the source i...
Milicevic3306
16.0k
points
85
views
Milicevic3306
asked
Mar 25, 2018
Electronic Devices
gate2012-ec
electronic-devices
silicon
+
–
0
votes
0
answers
110
GATE ECE 2016 Set 3 | Question: 40
For the circuit shown in the figure, $R_1=R_2=R_3=1\;\Omega,\;L=1\:\mu H$ and $C=1\:\mu F$. If the input $V_{in}=\cos(10^6t)$, then the overall voltage gain $(V_{out}/V_{in})$ of the circuit is _________
For the circuit shown in the figure, $R_1=R_2=R_3=1\;\Omega,\;L=1\:\mu H$ and $C=1\:\mu F$. If the input $V_{in}=\cos(10^6t)$, then the overall voltage gain $(V_{out}/V_{...
Milicevic3306
16.0k
points
84
views
Milicevic3306
asked
Mar 27, 2018
Electronic Devices
gate2016-ec-3
numerical-answers
electronic-devices
+
–
0
votes
0
answers
111
GATE ECE 2015 Set 1 | Question: 33
The built-in potential of an abrupt p-n junction is $0.75$ V. If its junction capacitance $(C_J)$ at a reverse bias $(V_R)$ of $1.25 \: V$ is $5$ pF, the value of $C_J$ (in pF) when $V_R = 7.25 \: V$ is ________.
The built-in potential of an abrupt p-n junction is $0.75$ V. If its junction capacitance $(C_J)$ at a reverse bias $(V_R)$ of $1.25 \: V$ is $5$ pF, the value of $C_J$ (...
Milicevic3306
16.0k
points
83
views
Milicevic3306
asked
Mar 27, 2018
Electronic Devices
gate2015-ec-1
numerical-answers
electronic-devices
p-n-junction
+
–
0
votes
0
answers
112
GATE ECE 2014 Set 3 | Question: 6
A series $RC$ circuit is connected to a $DC$ voltage source at time $t= 0$. The relation between the source voltage $V_{s},$ the resistance $R$, the capacitance $C$, and the current $i(t)$ is given below. $V_{s}= R \: i(t)+\frac{1}{c}\int ^{t}_{o}i(u)du$. Which one of the following represents the current $i(t)$?
A series $RC$ circuit is connected to a $DC$ voltage source at time $t= 0$. The relation between the source voltage $V_{s},$ the resistance $R$, the capacitance $C$, and ...
Milicevic3306
16.0k
points
83
views
Milicevic3306
asked
Mar 26, 2018
Electronic Devices
gate2014-ec-3
electronic-devices
+
–
0
votes
0
answers
113
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 $V_{in}\lt 1.875\:V$ $1.875\:V\lt V_{in}\lt 3.125\:V$ $V_{in}\gt 3.125\:V$ $0\lt V_{in}\lt 5\:V$
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$$1.8...
Milicevic3306
16.0k
points
83
views
Milicevic3306
asked
Mar 25, 2018
Electronic Devices
gate2012-ec
electronic-devices
cmos
+
–
0
votes
0
answers
114
GATE ECE 2016 Set 2 | Question: 35
A voltage $V_{G}$ is applied across a $MOS$ capacitor with metal gate and $p$-type silicon substrate at $T=300$ $K$. The inversion carrier density (in number of carriers per unit area) for $V_{G}= 0.8$ $V$ is $2\times 10^{11} cm^{-2}.$ For $V_{G}= 1.3$ $V$, the ... $6.0\times 10^{11}cm^{-2}$ $7.2\times 10^{11}cm^{-2}$ $8.4\times 10^{11}cm^{-2}$
A voltage $V_{G}$ is applied across a $MOS$ capacitor with metal gate and $p$-type silicon substrate at $T=300$ $K$. The inversion carrier density (in number of carriers ...
Milicevic3306
16.0k
points
82
views
Milicevic3306
asked
Mar 27, 2018
Electronic Devices
gate2016-ec-2
mos-capacitor
electronic-devices
+
–
0
votes
0
answers
115
GATE ECE 2014 Set 1 | Question: 33
In the circuit shown in the figure, the value of capacitor $C\:(\text{in}\: mF)$ needed to have critically damped response $i(t)$ is ____.
In the circuit shown in the figure, the value of capacitor $C\:(\text{in}\: mF)$ needed to have critically damped response $i(t)$ is ____.
Milicevic3306
16.0k
points
82
views
Milicevic3306
asked
Mar 25, 2018
Electronic Devices
gate2014-ec-1
numerical-answers
electronic-devices
+
–
0
votes
0
answers
116
GATE ECE 2014 Set 3 | Question: 34
The donor and accepter impurities in an abrupt junction silicon diode are $1\times 10^{16} cm^{-3}$ and $5\times 10^{18}$cm^{-3}$, respectively. Assume that the intrinsic carrier concentration in silicon $n_{i}= 1.5\times 10^{10}cm^{-3}$ at $300K, \frac{kT}{q}= 26$ $ ... $0.7$ $V$ and $3.3\times 10^{-5} cm$ $0.86$ $V$ and $3.3\times 10^{-5} cm$
The donor and accepter impurities in an abrupt junction silicon diode are $1\times 10^{16} cm^{-3}$ and $5\times 10^{18}$$cm^{-3}$, respectively. Assume that the intrinsi...
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117
GATE ECE 2016 Set 2 | Question: 13
Assume that the diode in the figure has $V_{on}=0.7 \:V$, but it otherwise ideal. The magnitude of the current $i_{2}$ in mA) is equal to _________
Assume that the diode in the figure has $V_{on}=0.7 \:V$, but it otherwise ideal. The magnitude of the current $i_{2}...
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118
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 $0.625$ $0.75$ $1.125$ $1.5$
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}=...
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119
GATE ECE 2015 Set 1 | Question: 10
A silicon sample is uniformly doped with donor type impurities with a concentration of $10^{16} / cm^3$. The electron and hole mobilities in the sample are $1200 \: cm^2/V-s$ and $400 \: cm^2/V-s$ respectively. Assume complete ionization of impurities. ... an electron is $1.6 \times 10^{-19} \:C$. The resistivity of the sample (in $\Omega - cm$) is ___________.
A silicon sample is uniformly doped with donor type impurities with a concentration of $10^{16} / cm^3$. The electron and hole mobilities in the sample are $1200 \: cm^2/...
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silicon
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120
GATE ECE 2014 Set 4 | Question: 7
The magnitude of current (in mA) through the resistor $R_2$ in the figure shown is __________
The magnitude of current (in mA) through the resistor $R_2$ in the figure shown is __________
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