Discuss
menu
search
brightness_auto
person
Login
Register
search
edit
Ask a Question
Discuss
All Activity
Q&A
Questions
Hot!
Unanswered
Tags
Users
Ask a Question
MOSFET uses the electric field of?
asked
Mar 19, 2018
by
anonymous
MOSFET uses the electric field of?
mosfet
uses
electric
field
thumb_up_alt
0
like
thumb_down_alt
0
dislike
63
views
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
answered
Mar 19, 2018
by
anonymous
MOSFET uses the electric field of
gate capacitance.
thumb_up_alt
0
like
thumb_down_alt
0
dislike
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Jun 29, 2019
by
anonymous
Briefly describe the electric field of a static charge.
Briefly describe the electric field of a static charge.
briefly
describe
the
electric
field
of
a
static
charge
thumb_up_alt
0
like
thumb_down_alt
0
dislike
61
views
0
answers
1
asked
Apr 29, 2018
by
anonymous
The ability of materials to become polarized under an applied electric field is called _______
The ability of materials to become polarized under an applied electric field is called _______ A) Ferroelectricity B) Paraelectricity C) Polectricity D) None of these
Last answer:
The ability of materials to become polarized under an applied electric field is called Paraelectricity
materials
polarized
electric
field
thumb_up_alt
0
like
thumb_down_alt
0
dislike
93
views
1
answer
2
asked
Mar 14, 2018
by
anonymous
What is the direction of the induced electric field?
What is the direction of the induced electric field?
Last answer:
It is in opposite direction to the one that produced it.
direction
induced
electric
field
thumb_up_alt
0
like
thumb_down_alt
0
dislike
46
views
1
answer
3
asked
Mar 14, 2018
by
anonymous
What is the direction of the electric field?
What is the direction of the electric field?
Last answer:
Electric field is at right angle widh flow of current (right hand rule).
direction
electric
field
thumb_up_alt
0
like
thumb_down_alt
0
dislike
99
views
1
answer
4
asked
Apr 29, 2018
by
anonymous
The electric field inside a hollow conducting sphere ________
The electric field inside a hollow conducting sphere ________ A) Depends on the diameter of the sphere B) Varies according to the direction of earth’s magnetic poles C) Is zero D) None of these
Last answer:
The electric field inside a hollow conducting sphere Is zero
electric
field
hollow
conducting
thumb_up_alt
0
like
thumb_down_alt
0
dislike
100
views
1
answer
5
asked
Mar 14, 2018
by
anonymous
Can the electric field between two positive charges be zero?
Can the electric field between two positive charges be zero?
Last answer:
It can only if they have equal charges.
electric
field
positive
charges
zero
thumb_up_alt
0
like
thumb_down_alt
0
dislike
54
views
1
answer
6
asked
Mar 18, 2018
by
anonymous
An electric motor in which both stator field and rotor rotates with same speed is called?
An electric motor in which both stator field and rotor rotates with same speed is called?
Last answer:
An electric motor in which both stator field and rotor rotates with same speed is called synchronous motor.
electric
motor
stator
field
rotor
rotates
speed
thumb_up_alt
0
like
thumb_down_alt
0
dislike
91
views
1
answer
7
asked
Mar 14, 2018
by
anonymous
Is electric potential zero when electric field is zero?
Is electric potential zero when electric field is zero?
Last answer:
Yes .If electric field is zero then electric potential is zero , not even one.
electric
potential
field
zero
thumb_up_alt
0
like
thumb_down_alt
0
dislike
67
views
1
answer
8
asked
Mar 10, 2018
by
anonymous
How can a magnetic field be used to generate an electric current?
How can a magnetic field be used to generate an electric current?
Last answer:
Magnetic field can be used to generate electric current on a condition that it is on a rate of changing magnetic flux. (Faraday's law)
magnetic
field
used
generate
electric
current
thumb_up_alt
0
like
thumb_down_alt
0
dislike
88
views
1
answer
9
asked
Mar 19, 2018
by
anonymous
What is the transconductance of a MOSFET?
What is the transconductance of a MOSFET?
transconductance
mosfet
thumb_up_alt
0
like
thumb_down_alt
0
dislike
49
views
0
answers
10
asked
Mar 19, 2018
by
anonymous
What is the use of a Mosfet?
What is the use of a Mosfet?
use
mosfet
thumb_up_alt
0
like
thumb_down_alt
0
dislike
44
views
0
answers
11
asked
Mar 19, 2018
by
anonymous
What is the work of MOSFET?
What is the work of MOSFET?
work
mosfet
thumb_up_alt
0
like
thumb_down_alt
0
dislike
60
views
0
answers
12
asked
Mar 19, 2018
by
anonymous
In MOSFET, the polarity of the inversion layers is the same as that of?
In MOSFET, the polarity of the inversion layers is the same as that of?
Last answer:
In MOSFET, the polarity of the inversion layers is the same as that of majority carriers in the source.
mosfet
polarity
inversion
layers
thumb_up_alt
0
like
thumb_down_alt
0
dislike
99
views
1
answer
13
asked
Mar 19, 2018
by
anonymous
Is the input impedance of MOSFET more than BJT and FET?
Is the input impedance of MOSFET more than BJT and FET?
Last answer:
Yes, the input impedance of MOSFET more than BJT and FET.
input
impedance
mosfet
bjt
fet
thumb_up_alt
0
like
thumb_down_alt
0
dislike
284
views
1
answer
14
asked
Jun 18, 2018
by
anonymous
A certain power MOSFET has a maximum junction temperature specification of 1500o C, a junction-to-case
A certain power MOSFET has a maximum junction temperature specification of 1500o C, a junction-to-case thermal resistance of 1.00 C/W, and a junction-to ambient thermal resistance of 600 C/W. If the ambient temperature is 300o C, then the maximum allowable power dissipation in the device will be A) 1.52 W B) 1.72 W C) 1.92W D) 2.00 W
Last answer:
A certain power MOSFET has a maximum junction temperature specification of 1500o C, a junction-to-case thermal resistance of 1.00 C/W, and a junction-to ambient thermal resistance of ... 300o C, then the maximum allowable power dissipation in the device will be 2.00 W
power
mosfet
maximum
junction
temperature
specification
thumb_up_alt
0
like
thumb_down_alt
0
dislike
114
views
1
answer
15
asked
Jun 18, 2018
by
anonymous
When does the Body bias effect occur in an n-channel MOSFET?
When does the Body bias effect occur in an n-channel MOSFET? A) When the Source voltage is less the Bulk voltage B) When the Source voltage is equal to or greater the Bulk voltage C) When the Drain voltage is equal to the Bulk voltage D) When the Gate voltage is equal to the Bulk Voltage
Last answer:
When does the Body bias effect occur in an n-channel MOSFET? A) When the Source voltage is less the Bulk voltage B) When the Source voltage is equal to or greater the Bulk voltage C) ... voltage is equal to the Bulk voltage D) When the Gate voltage is equal to the Bulk Voltage
body
bias
effect
n-channel
mosfet
thumb_up_alt
0
like
thumb_down_alt
0
dislike
70
views
1
answer
16
asked
Aug 13, 2017
by
Zeeshan
what are the uses of MOSFET ?
what are the uses of MOSFET ?
Last answer:
Choppers and inverters and where high switching frequency is required.
mosfet
thumb_up_alt
0
like
thumb_down_alt
0
dislike
80
views
1
answer
17
asked
Mar 19, 2018
by
anonymous
A MOSFET has how many terminals?
A MOSFET has how many terminals?
Last answer:
A MOSFET having three terminals 1st one is Gate (insulated), 2nd one is Source and 3rd one is Drain.
mosfet
terminals
thumb_up_alt
0
like
thumb_down_alt
0
dislike
159
views
3
answers
18
asked
Mar 19, 2018
by
anonymous
What is meant by pinch off voltage in MOSFET?
What is meant by pinch off voltage in MOSFET?
pinch
off
voltage
mosfet
thumb_up_alt
0
like
thumb_down_alt
0
dislike
71
views
0
answers
19
asked
Mar 19, 2018
by
anonymous
What is channel length modulation in MOSFET?
What is channel length modulation in MOSFET?
Last answer:
Shortening of lenght of the inverted channel region with increase in drain bias for large drain biases due to which current increases with drain bias and output resistance decreases is called channel length modulation in MOSFET.
channel
length
modulation
mosfet
thumb_up_alt
0
like
thumb_down_alt
0
dislike
244
views
2
answers
20
asked
Mar 19, 2018
by
anonymous
What is meant by body effect in MOSFET?
What is meant by body effect in MOSFET?
body
effect
mosfet
thumb_up_alt
0
like
thumb_down_alt
0
dislike
50
views
0
answers
21
asked
Mar 19, 2018
by
anonymous
How can we check a Mosfet?
How can we check a Mosfet?
mosfet
thumb_up_alt
0
like
thumb_down_alt
0
dislike
50
views
0
answers
22
asked
Mar 19, 2018
by
anonymous
Why Mosfet is called Mosfet?
Why Mosfet is called Mosfet?
mosfet
thumb_up_alt
0
like
thumb_down_alt
0
dislike
50
views
0
answers
23
asked
Jul 2, 2019
by
anonymous
What are the uses of Thermistors ?
What are the uses of Thermistors ?
Last answer:
Thermistors are frequently used in electronic circuits in which it is desired to provide temperature measurement, temperature control, and temperature compensation.
what
are
the
uses
of
thermistors
thumb_up_alt
0
like
thumb_down_alt
0
dislike
59
views
1
answer
24
asked
Apr 29, 2018
by
anonymous
The electrode rod used for welding uses a coating on it
The electrode rod used for welding uses a coating on it
Last answer:
The electrode rod used for welding uses a coating on it to give a vapour to serve as a shielding gas to protect the weld area from atmospheric contamination and to provide slag to protect the welded area
electrode
rod
used
welding
uses
coating
thumb_up_alt
0
like
thumb_down_alt
0
dislike
93
views
1
answer
25
asked
May 8, 2018
by
anonymous
A 17 inch personal computer uses approximately 150 watts in an hour. If you have same
A 17 inch personal computer uses approximately 150 watts in an hour. If you have same computer on for only 4 minutes (for checking e-mail) what would be the power consumption? (A) 0.1 kW (B) 0.04 kW (C) 0.01 kW (D) None of the above
Last answer:
A 17 inch personal computer uses approximately 150 watts in an hour. If you have same computer on for only 4 minutes (for checking e-mail) what would be the power consumption? (A) 0.1 kW (B) 0.04 kW (C) 0.01 kW (D) None of the above
personal
computer
uses
watts
thumb_up_alt
0
like
thumb_down_alt
0
dislike
52
views
1
answer
26
asked
May 8, 2018
by
anonymous
A 100-watt light bulb turned on for 8 hours uses :
A 100-watt light bulb turned on for 8 hours uses : (A) 800 Wh (B) 0.8 kWh (C) 8 kWh (D) None of the above
Last answer:
A 100-watt light bulb turned on for 8 hours uses : (A) 800 Wh (B) 0.8 kWh (C) 8 kWh (D) None of the above
light
bulb
turned
uses
thumb_up_alt
0
like
thumb_down_alt
0
dislike
61
views
1
answer
27
asked
Mar 21, 2018
by
anonymous
A universal RLC bridge uses?
Last answer:
A universal RLC bridge uses Maxwell Wein bridge for measurement of inductance and modified De Santy's bridge for measurement of capacitance.
universal
rlc
bridge
uses
thumb_up_alt
0
like
thumb_down_alt
0
dislike
207
views
1
answer
28
asked
Mar 30, 2020
by
anonymous
A magnetic circuit has effective iron length of 100 cm and it is wound with 800 turns of wire carries 1 A. Find the magnetic field strength.
A magnetic circuit has effective iron length of 100 cm and it is wound with 800 turns of wire carries 1 A. Find the magnetic field strength.
Last answer:
magnetic field strength
magnetic
field
strength
thumb_up_alt
0
like
thumb_down_alt
0
dislike
156
views
1
answer
29
asked
May 1, 2018
by
anonymous
In a synchronous machine, if the field flux axis ahead of the armature field axis in the direction of rotation,
In a synchronous machine, if the field flux axis ahead of the armature field axis in the direction of rotation, the machine is operating as (1) synchronous motor (2) synchronous generator (3) asynchronous motor (4) asynchronous generator
Last answer:
In a synchronous machine, if the field flux axis ahead of the armature field axis in the direction of rotation, the machine is operating as synchronous generator
synchronous
machine
field
flux
axis
armature
direction
rotation
thumb_up_alt
0
like
thumb_down_alt
0
dislike
310
views
1
answer
30
asked
Apr 29, 2018
by
anonymous
Which of the following laws relates the magnetic field to the magnitude, direction, length, and proximity
Which of the following laws relates the magnetic field to the magnitude, direction, length, and proximity of the electric current? A) Lenz’s law B) Faraday’s law C) Biot–Savart law D) None of these
Last answer:
Which of the following laws relates the magnetic field to the magnitude, direction, length, and proximity of the electric current? A) Lenz’s law B) Faraday’s law C) Biot–Savart law D) None of these
magnetic
field
thumb_up_alt
0
like
thumb_down_alt
0
dislike
61
views
1
answer
31
asked
Apr 28, 2018
by
anonymous
Which of the following statements is not characteristic of a static magnetic field?
Which of the following statements is not characteristic of a static magnetic field? (A) It is solenoidal. (B) It is conservative. (C) It has no sinks or sources. (D) Flux lines are always closed.
Last answer:
Which of the following statements is not characteristic of a static magnetic field? (A) It is solenoidal. (B) It is conservative. (C) It has no sinks or sources. (D) Flux lines are always closed.
characteristic
static
magnetic
field
thumb_up_alt
0
like
thumb_down_alt
0
dislike
1.3k
views
1
answer
32
asked
Mar 21, 2018
by
anonymous
To avoid the effect of stray magnetic field in A.C. bridges we can use?
Last answer:
To avoid the effect of stray magnetic field in A.C. bridges we can use magnetic screening.
stray
magnetic
field
ac
bridges
thumb_up_alt
0
like
thumb_down_alt
0
dislike
110
views
1
answer
33
asked
Mar 21, 2018
by
anonymous
A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave?
Last answer:
A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave will be of 5 Hz.
sinusoidal
field
shunt
generator
armature
voltage
wave
thumb_up_alt
0
like
thumb_down_alt
0
dislike
126
views
1
answer
34
asked
Mar 21, 2018
by
anonymous
Flashing the field of D.C. generator means?
Last answer:
Flashing the field of D.C. generator means creating residual magnetism by a D.C. source.
flashing
field
generator
dc
thumb_up_alt
0
like
thumb_down_alt
0
dislike
58
views
1
answer
35
asked
Mar 20, 2018
by
anonymous
If the field of a D.C. shunt motor gets opened while motor is running?
Last answer:
If the field of a D.C. shunt motor gets opened while motor is running the motor will attain dangerously high speed.
field
dc
shunt
motor
thumb_up_alt
0
like
thumb_down_alt
0
dislike
92
views
1
answer
36
asked
Mar 20, 2018
by
anonymous
In a shaded pole single-phase motor, the revolving field is produced by the use of?
Last answer:
In a shaded pole single-phase motor, the revolving field is produced by the use of shading coils.
shaded
pole
single-phase
motor
field
use
thumb_up_alt
0
like
thumb_down_alt
0
dislike
85
views
1
answer
37
asked
Mar 20, 2018
by
anonymous
If the field winding of an unloaded salient pole synchronous motor is open circuited, the motor will?
Last answer:
If the field winding of an unloaded salient pole synchronous motor is open circuited, the motor will stop.
field
winding
unloaded
salient
pole
synchronous
motor
open
circuited
thumb_up_alt
0
like
thumb_down_alt
0
dislike
115
views
1
answer
38
asked
Mar 18, 2018
by
anonymous
If the field of synchronous motor is under excited, power factor will be?
If the field of synchronous motor is under excited, power factor will be?
Last answer:
If the field of synchronous motor is under excited, power factor will be lagging.
field
synchronous
motor
excited
power
factor
thumb_up_alt
0
like
thumb_down_alt
0
dislike
143
views
1
answer
39
asked
Jul 25, 2019
by
anonymous
Describe with neat sketch the construction and working principle of MOSFET.
Describe with neat sketch the construction and working principle of MOSFET.
Last answer:
Construction and working principle of MOSFET: A) Depletion type MOSFET: Construction: The N-channel depletion type MOSFET is formed on P-type silicon substrate with two heavily ... accumulation of electrons and hence more current. Thus the MOSFET is a gate voltage controlled device.
mosfet
thumb_up_alt
0
like
thumb_down_alt
0
dislike
2.6k
views
1
answer
40
asked
Jul 25, 2019
by
anonymous
State the applications of MOSFET
State the applications of MOSFET
Last answer:
Applications of MOSFET: i) Switching-mode-power-supplies (SMPS) and linear power supplies. ii) Brushless DC motor drives iii) Solid state DC relay iv) Automobile applications v) Stepper motor controller vi) Lighting controls vii) Solenoid drivers viii) Robotics ix) Induction heating
mosfet
thumb_up_alt
0
like
thumb_down_alt
0
dislike
51
views
1
answer
41
asked
Sep 5, 2018
by
anonymous
Describe the operation of N channel enhancement type MOSFET with diagram.
Describe the operation of N channel enhancement type MOSFET with diagram.
Last answer:
As its name indicates, this MOSFET operates only in the enhancement mode and has no depletion mode. It operates with large positive gate voltage only. It does not conduct when the ... of charge carriers attracted to the positive gate. Thus drain current is controlled by the gate potential.
operation
n-channel
enhancement
type
mosfet
thumb_up_alt
0
like
thumb_down_alt
0
dislike
170
views
1
answer
42
asked
Apr 28, 2018
by
anonymous
The threshold voltage of an n- channel enhancement mode MOSFET is 0.5V when the device is biased at
The threshold voltage of an n- channel enhancement mode MOSFET is 0.5V when the device is biased at a gate voltage of 3V. Pinch off would be occurs at a drain voltage of (A) 1.5V (B) 2.5V (C) 3.5V (D) 4.5V
Last answer:
The threshold voltage of an n- channel enhancement mode MOSFET is 0.5V when the device is biased at a gate voltage of 3V. Pinch off would be occurs at a drain voltage of 2.5V
threshold
voltage
n-
channel
enhancement
mode
mosfet
thumb_up_alt
0
like
thumb_down_alt
0
dislike
110
views
1
answer
43
asked
Feb 6, 2018
by
anonymous
Explain the formation of parasitic BJT and parasitic diode in Power MOSFET.
Explain the formation of parasitic BJT and parasitic diode in Power MOSFET. Can parasitic diode be used in same power electronics applications?
Last answer:
Parasitic Diode: The parasitic diode is in between drain and source. The MOSFET structure itself contains parasitic diode or body drain diode. This parasitic diode allows the reverse flow of current when the ... of MOSFET as a BJT collector. Parasitic BJT operates in the cut-off region.
parasitic
diode
bjt
power
mosfet
thumb_up_alt
1
like
thumb_down_alt
0
dislike
2.4k
views
1
answer
44
asked
Feb 3, 2018
by
anonymous
Operating frequency of power MOSFET is higher than that of power BJT. Justify the statement.
Operating frequency of power MOSFET is higher than that of power BJT. Justify the statement.
Last answer:
Power MOSFET have high turning on and turning off capability high switching speed of MOSFET is due to the high rate of change of drain voltage. The switching losses of power MOSFET ... lower frequency. Hence, operating frequency of power MOSFET is higher than that of power BJT.
mosfet
bjt
frequency
operating
thumb_up_alt
2
like
thumb_down_alt
0
dislike
692
views
1
answer
45
asked
Sep 22, 2017
by
anonymous
What are the two types of mosfet?
Last answer:
MOSFETs are of two types namely 1) enhancement type MOSFET or E-MOSFET 2) depletion type MOSFET or D-MOSFET
mosfet
types
thumb_up_alt
1
like
thumb_down_alt
0
dislike
76
views
2
answers
46
asked
Sep 15, 2017
by
anonymous
Explain the series and parallel operation of MOSFET. Which is suitable and why ?
Explain the series and parallel operation of MOSFET. Which is suitable and why?
Last answer:
Series operation of MOSFET: To increase voltage handling capability MOSFETs are connected in series. When the MOSFETs are connected in series each MOSFET should turn on and turn off ... on and turn off time and transconductance. Each MOSFET should share current equally.
mosfet
series
parallel
operation
thumb_up_alt
1
like
thumb_down_alt
0
dislike
434
views
1
answer
47
asked
May 7, 2020
by
anonymous
State advantages of rotating field type alternators.
State advantages of rotating field type alternators.
Last answer:
Advantages of Rotating Field Type Alternator: 1) For high-voltage alternator, large space is required to accommodate conductors with insulation, as high voltage is induced in them. If field poles are placed ... is kept rotating. 8) Rotating field is comparatively light and can run with high speed.
state
advantages
of
rotating
field
type
alternators
thumb_up_alt
0
like
thumb_down_alt
0
dislike
59
views
1
answer
48
asked
Jun 11, 2019
by
anonymous
Energy stored in electrostatic field of capacitance formula
Energy stored in electrostatic field of capacitance formula
Last answer:
Energy stored in electrostatic field of capacitance formula
energy
stored
in
electrostatic
field
of
capacitance
formula
thumb_up_alt
0
like
thumb_down_alt
0
dislike
58
views
1
answer
49
asked
Mar 25, 2018
by
anonymous
A field of force can exist only between?
A field of force can exist only between?
Last answer:
A field of force can exist only between two ions.
field
force
thumb_up_alt
0
like
thumb_down_alt
0
dislike
98
views
1
answer
50
Open
Recent Questions
...