Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
The threshold voltage of a MOSFET can be lowered by
| |
A. | 3 alone is correct [Wrong Answer] |
B. | 1 and 2 are correct [Wrong Answer] |
C. | 1 and 3 are correct [Correct Answer] |
D. | 2 alone is correct [Wrong Answer] |
View Answer
Explanation:-
Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ The Wheatstone bridge method of measuring resistance is ideally suited for the measurement of resistance values in the range of
0.001 to 1 Ω
0.1 to 100 Ω
100 Ω to 10 kΩ
100 kΩ to 10 MΩ
⇒ Fastest memory cell
bubble memory
core memory
semiconductor memory
superconductor memory
⇒ The antenna current of an AM transmitter is 8 A, when only the carrier is sent, but it increases to 8.93 A when the carrier is modulated by a single sine wave. Determine the antenna current when the percent of modulation changes to 0.8
9.19 A
9.91 A
10.56 A
8.61 A
⇒ We can know the arrangement of atom in a material by studying electron diffraction pattern.
TRUE
FALSE
⇒ The dependent current source shown in given fig
delivers 80W
absorbs 80W
deliver 40W
absorbs 40W
⇒
A-1, B-2, C-3
A-2, B-3, C-1
A-3, B-2, C-1
A-3, B-1, C-2
⇒ With JFETs cascade means
a common source driving a common gate connection
a common gate driving a common source connection
two FETs connected in parallel
none of the above
⇒ The advantage of using dual slope ADC in digital voltmeter is that
its conversion time is small
its accuracy is high
its output is in BCD
it does not require a comparator
⇒ In case of antenna the lower value of Q indicates
higher bandwidth
lower bandwidth
higher distortion
lower distortion
⇒ For the system of the given figure, the undamped natural frequency of closed loop pole
2 rad/sec
1 rad/sec
0.5 rad/sec
0.25 rad/sec
⇒ In fi
the collector currents of T_{1} and T_{2} are equal
the collector current of T_{1} is more than that of T_{2}
the collector current of T_{1} is double that of T_{2}
the collector currents of T_{2} is more than that of T_{1}
⇒ If R, L, C are in parallel, the currents through L and C are equal in magnitude at resonance.
TRUE
FALSE
⇒ For a series R-L-C circuit, the characteristic equation is given
critically damped
underdamped
undamped
overdamped
⇒ Two resistance R_{1} and R_{2} are connected in series R_{1} = 528 ± 5 Ω and R_{2} = 325 ± 3Ω. The total resistance will be
853 ± 2 Ω
853 ± 5 Ω
853 ± 3 Ω
853 ± 8 Ω
⇒ If V_{r} is the reverse voltage across a graded P-N Junction, then the junction capacitance c_{j} is proportional to
(V_{r})^{2}
(V_{r})^{n}
(V_{r})^{-n}
(V_{r})^{3/2}
⇒ In figure, thyristor Th is in off state. When thyristor is turned on, the peak thyristor current can
0.208333333333333
0.416666666666667
15 A
20 A
⇒ If all other parameters are the same, a capacitor with mica as dielectric has higher capacitance than air capacitor.
TRUE
FALSE
⇒ Consider a baseband binary PAM receiver shown below. The additive channel noise n(t) is whit with power spectral density S_{N}(f) = N_{0}/2 = 10^{-20} W/Hz. The low-pass filter is ideal with unity gain and cutoff frequency 1 MHz. Let Y_{k} represent the random variable y(t_{k}0.5 x e^{-3.5}
0.5 x e^{-5}
0.5 x e^{-7}
0.5 x e^{-10}
⇒ The fact that domains exhibits spontaneous magnetisation is
first hypothesis is of Curie
second hypothesis is of Weiss
Curie-Weiss law
Boltzmann's statistics
⇒ In figure the voltage drop across diode is 0.7 V. Then the voltage across diode during negative half cycl
10 V
9.3 V
zero
10.7 V
⇒ The log magnitude curve of factor jω is a straight line having a slope of 20 dB/decade.
TRUE
FALSE
⇒ The value of current read by ideal ammeter A in figure is __________ amp
0
3
2.5
5
⇒ If V = 100 ∠ 16°, the (V) is
10 ∠ 32°
10 ∠ 8°
10 ∠ 16°
10 ∠ 4°
⇒ An extrinsic semiconductor sample has 6 billion silicon atoms and 3 million pentavalent impurity atoms. The number of electrons and holes is
3 million each
6 billion each
3 million free electrons and very small number of holes
3 million holes and very small number of free electrons
⇒ In a transmission line, losses due to dielectric heating are
proportional to voltage and inversely proportional to Z_{0}
proportional to voltage and proportional to Z_{0}
proportional to current and proportional to Z_{0}
proportional to current and inversely proportional to Z_{0}
⇒ Which of the following binary numbers is equivalent to decimal 10?
1000
1100
1010
1001
⇒ The relative permittivity of the ionosphere at ratio frequencies is
> 1
< 1
1
≥ 1
⇒ For a BJT, under the saturation region.
I_{C} = βI_{B}
I_{C} > βI_{B}
I_{C} is independent of other parameter
I_{C} < βI_{B}
⇒ In which of the following semiconductor are holes majority carriers
intrinsic
extrinsic
p type
n type
⇒ In a D-type latch EN = 1, D = 1, the O/P is
1
0
don't care
blocked
⇒ The Wheatstone bridge method of measuring resistance is ideally suited for the measurement of resistance values in the range of
0.001 to 1 Ω
0.1 to 100 Ω
100 Ω to 10 kΩ
100 kΩ to 10 MΩ
⇒ Fastest memory cell
bubble memory
core memory
semiconductor memory
superconductor memory
⇒ The antenna current of an AM transmitter is 8 A, when only the carrier is sent, but it increases to 8.93 A when the carrier is modulated by a single sine wave. Determine the antenna current when the percent of modulation changes to 0.8
9.19 A
9.91 A
10.56 A
8.61 A
⇒ We can know the arrangement of atom in a material by studying electron diffraction pattern.
TRUE
FALSE
⇒ The dependent current source shown in given fig
delivers 80W
absorbs 80W
deliver 40W
absorbs 40W
⇒
Match the following:
List I (μP) | List II (Number of bits in register) | ||
---|---|---|---|
A. | 8085 | 1. | 32 bit |
B. | 8086 | 2. | 16 bit |
C. | 68000 | 3. | 8/16 bit |
A-1, B-2, C-3
A-2, B-3, C-1
A-3, B-2, C-1
A-3, B-1, C-2
⇒ With JFETs cascade means
a common source driving a common gate connection
a common gate driving a common source connection
two FETs connected in parallel
none of the above
⇒ The advantage of using dual slope ADC in digital voltmeter is that
its conversion time is small
its accuracy is high
its output is in BCD
it does not require a comparator
⇒ In case of antenna the lower value of Q indicates
higher bandwidth
lower bandwidth
higher distortion
lower distortion
⇒ For the system of the given figure, the undamped natural frequency of closed loop pole
2 rad/sec
1 rad/sec
0.5 rad/sec
0.25 rad/sec
⇒ In fi
the collector currents of T_{1} and T_{2} are equal
the collector current of T_{1} is more than that of T_{2}
the collector current of T_{1} is double that of T_{2}
the collector currents of T_{2} is more than that of T_{1}
⇒ If R, L, C are in parallel, the currents through L and C are equal in magnitude at resonance.
TRUE
FALSE
⇒ For a series R-L-C circuit, the characteristic equation is given
critically damped
underdamped
undamped
overdamped
⇒ Two resistance R_{1} and R_{2} are connected in series R_{1} = 528 ± 5 Ω and R_{2} = 325 ± 3Ω. The total resistance will be
853 ± 2 Ω
853 ± 5 Ω
853 ± 3 Ω
853 ± 8 Ω
⇒ If V_{r} is the reverse voltage across a graded P-N Junction, then the junction capacitance c_{j} is proportional to
(V_{r})^{2}
(V_{r})^{n}
(V_{r})^{-n}
(V_{r})^{3/2}
⇒ In figure, thyristor Th is in off state. When thyristor is turned on, the peak thyristor current can
0.208333333333333
0.416666666666667
15 A
20 A
⇒ If all other parameters are the same, a capacitor with mica as dielectric has higher capacitance than air capacitor.
TRUE
FALSE
⇒ Consider a baseband binary PAM receiver shown below. The additive channel noise n(t) is whit with power spectral density S_{N}(f) = N_{0}/2 = 10^{-20} W/Hz. The low-pass filter is ideal with unity gain and cutoff frequency 1 MHz. Let Y_{k} represent the random variable y(t_{k}0.5 x e^{-3.5}
0.5 x e^{-5}
0.5 x e^{-7}
0.5 x e^{-10}
⇒ The fact that domains exhibits spontaneous magnetisation is
first hypothesis is of Curie
second hypothesis is of Weiss
Curie-Weiss law
Boltzmann's statistics
⇒ In figure the voltage drop across diode is 0.7 V. Then the voltage across diode during negative half cycl
10 V
9.3 V
zero
10.7 V
⇒ The log magnitude curve of factor jω is a straight line having a slope of 20 dB/decade.
TRUE
FALSE
⇒ The value of current read by ideal ammeter A in figure is __________ amp
0
3
2.5
5
⇒ If V = 100 ∠ 16°, the (V) is
10 ∠ 32°
10 ∠ 8°
10 ∠ 16°
10 ∠ 4°
⇒ An extrinsic semiconductor sample has 6 billion silicon atoms and 3 million pentavalent impurity atoms. The number of electrons and holes is
3 million each
6 billion each
3 million free electrons and very small number of holes
3 million holes and very small number of free electrons
⇒ In a transmission line, losses due to dielectric heating are
proportional to voltage and inversely proportional to Z_{0}
proportional to voltage and proportional to Z_{0}
proportional to current and proportional to Z_{0}
proportional to current and inversely proportional to Z_{0}
⇒ Which of the following binary numbers is equivalent to decimal 10?
1000
1100
1010
1001
⇒ The relative permittivity of the ionosphere at ratio frequencies is
> 1
< 1
1
≥ 1
⇒ For a BJT, under the saturation region.
I_{C} = βI_{B}
I_{C} > βI_{B}
I_{C} is independent of other parameter
I_{C} < βI_{B}
⇒ In which of the following semiconductor are holes majority carriers
intrinsic
extrinsic
p type
n type
⇒ In a D-type latch EN = 1, D = 1, the O/P is
1
0
don't care
blocked