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Why voltage divider bias is also called self bias?
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asked
Mar 10, 2018
by
anonymous
Why voltage divider bias is also called self bias?
voltage
divider
bias
self
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asked
Jun 18, 2018
by
anonymous
A diode in which the change in reverse bias voltage varies the capacitance is called as
A diode in which the change in reverse bias voltage varies the capacitance is called as A) Varactor diode B) Switching diode C) Tunnel diode D) Zener-diode
Last answer:
A diode in which the change in reverse bias voltage varies the capacitance is called as Varactor diode
diode
reverse
bias
voltage
capacitance
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Jun 11, 2019
by
anonymous
Voltage divider rule
Voltage divider rule
Last answer:
Voltage divider rule
voltage
divider
rule
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94
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1
answer
asked
Sep 5, 2018
by
anonymous
Draw circuit diagram of voltage divider biasing list two advantages of voltage divider biasing of BJT.
Draw circuit diagram of voltage divider biasing list two advantages of voltage divider biasing of BJT.
Last answer:
Two advantages of voltage divider biasing of BJT. 1. It is very simple method of transistor biasing. 2. The biasing conditions can be very easily set. 3. there is no loading of ... 5. The resistor RE introduces a negative feedback. So all the advantages of negative feedback are obtained.
voltage
divider
biasing
advantages
bjt
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1
answer
asked
May 2, 2020
by
anonymous
Define: i) Input Offset Voltage ii) Input offset Current iii) Input Bias Current iv) Output offset voltage
Define: i) Input Offset Voltage ii) Input offset Current iii) Input Bias Current iv) Output offset voltage
Last answer:
Definition of parameters of OPAMP is follows: i) Input Offset Voltage: Input offset voltage is defined as the voltage that must be applied between the two input terminals of an OPAMP to null or ... to ground) and output voltage is obtained non zero such voltage is output offset voltage of opamp.
define
i
input
offset
voltage
ii
current
iii
bias
iv
output
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asked
Jun 11, 2019
by
anonymous
Self induced voltage across an inductance
Self induced voltage across an inductance
Last answer:
Self induced voltage across an inductance
self
induced
voltage
across
an
inductance
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1
answer
asked
Mar 22, 2018
by
anonymous
Why do we need to bias a transistor?
bias
transistor
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Jun 11, 2019
by
anonymous
Current divider rule
Current divider rule
Last answer:
Current divider rule
current
divider
rule
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asked
Dec 25, 2017
by
Nitin
How much time a diode takes to switch ON in forward bias
How much time a diode takes to switch ON in forward bias condition.
Last answer:
t=0 sec.
forward
bias
diode
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1
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asked
Mar 10, 2018
by
anonymous
What is self biasing of transistor?
What is self biasing of transistor?
self
biasing
transistor
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asked
Mar 22, 2018
by
anonymous
What is meant by bias stabilization?
bias
stabilization
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asked
Dec 9, 2017
by
anonymous
What is the difference between forward and reverse bias?
What is the difference between forward and reverse bias?
Last answer:
Forward bias is a PN junction bias which allows current to flow through the junction. Forward bias decreases the resistance of the depletion layer. Reverse bias is a PN junction bias that allows only ... Positive polarity on the n-type material and negative polarity to the p-type material.
difference
between
forward
reverse
bias
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3
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asked
Aug 25, 2019
by
anonymous
What the “ bias” means in electronics ?
What the “ bias” means in electronics ?
Last answer:
Bias (its has two types, positive and negative bais) decides the conducting and cut off point. in the amplifier stages ....
bias
electronics
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2
answers
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
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70
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1
answer
asked
Mar 22, 2018
by
anonymous
How do you bias a transistor?
bias
transistor
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asked
Sep 13, 2017
by
anonymous
can zener diode be used in forward bias?
Last answer:
Yes it can be, and it will act like a normal PN junction diode. The characteristic of ZENER diode is exactly same as PN junction diode in forward Bias.
zener
diode
forward
bias
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asked
May 3, 2018
by
anonymous
The self GMD method is used to evaluate
The self GMD method is used to evaluate
Last answer:
The self GMD method is used to evaluate inductance and capacitance
self
gmd
method
used
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1
answer
asked
Mar 17, 2018
by
anonymous
How is a three phase cage induction motor self starting?
How is a three phase cage induction motor self starting?
Last answer:
Any type of induction motor is self starting. Because the reason for torqe production require two flux displaced by some angle theta.If theta is constant with time then torqe will be constant;if ... torqe also pulsating. In induction motor this angle theta is not pulsating.so it is self starting
three
phase
cage
induction
motor
self
starting
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Mar 17, 2018
by
anonymous
Is induction motor is self starting?
Is induction motor is self starting?
Last answer:
Single phase induction motor is not self starting. Three phase induction motor is self starting.
induction
motor
self
starting
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89
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1
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asked
Jun 11, 2019
by
anonymous
Self inductance formula
Self inductance formula
Last answer:
Self inductance formula
self
inductance
formula
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67
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1
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asked
Aug 8, 2018
by
anonymous
Explain the term self induced EMF with a neat diagram.
Explain the term self induced EMF with a neat diagram.
self
induced
emf
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asked
Apr 28, 2018
by
anonymous
The self inductance of a coil can be measured using
The self inductance of a coil can be measured using (A) Wien’s Bridge (B) Schering Bridge (C) Anderson’s Bridge (D) Wheatstone Bridge
Last answer:
The self inductance of a coil can be measured using Anderson’s Bridge
self
inductance
coil
measured
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asked
Apr 28, 2018
by
anonymous
A suspension type insulator has 2 units with self capacitance C and ground capacitance of 0.2 C. Each unit can
A suspension type insulator has 2 units with self capacitance C and ground capacitance of 0.2 C. Each unit can withstand for a maximum voltage of 11 kV. Its string efficiency is (A) 78% (B) 82% (C) 80% (D) 84%
suspension
type
insulator
self
capacitance
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answers
asked
Mar 20, 2018
by
anonymous
Which D.C. motor has got maximum self relieving property ?
Last answer:
Series motor has got maximum self relieving property.
dc
motor
maximum
self
property
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129
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1
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asked
Mar 18, 2018
by
anonymous
A synchronous motor can be made self starting by providing?
A synchronous motor can be made self starting by providing?
Last answer:
A synchronous motor can be made self-starting by providing damper bar.
synchronous
motor
made
self
starting
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96
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1
answer
asked
Sep 27, 2017
by
anonymous
in which BJT operating region both the junctions are reverse biased?
Last answer:
In cut-off region of BJT both the emitter-base junction and collector-base junction are reverse biased.
bjt
region
reverse
bias
junction
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62
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2
answers
asked
May 13, 2018
by
anonymous
The disadvantage of voltage divider bias is that
The disadvantage of voltage divider bias is that 1. it has a high stability factor 2. it has many resistors 3. it allows thermal runaway 4. it does not allow faithful amplification
Last answer:
Is the power off this word only current
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2
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asked
Apr 14, 2018
by
anonymous
In a transistor biasing circuit with voltage divider bias circuit, if the operating point is on the left on the...
In a transistor biasing circuit with voltage divider bias circuit, if the operating point is on the left on the load line. (a) peak of the input voltage is clipped. (b) one side peak of the output voltage is clipped. (c) both positive and negative peaks are clipped. (d) there will be a distortion in the middle.
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Aug 19, 2019
by
anonymous
If 1-phase voltage is 220V, why is 3-phase 440V and not 660V ?
If 1-phase voltage is 220V, why is 3-phase 440V and not 660V ?
Last answer:
Phase voltage =220v /( phase to neutral) Line voltage = 380 v ( phase to phase) Phase angle difference 120° So when two phases reach vmax +ve I.e. (+220v) + (+220v) = 440v that time due ... these event happen very fast. Hence we have 440 v only in three phase motor. √3.phase voltage= 380 v.
1-phase
voltage
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4
answers
asked
Mar 10, 2018
by
anonymous
Why is it cheaper to transmit electrical energy at high voltage?
Why is it cheaper to transmit electrical energy at high voltage?
Last answer:
Because of the electrical energy was step upped by transformers the transformer have high efficiency than the electric energy is cheaper
cheaper
transmit
electrical
energy
high
voltage
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116
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1
answer
asked
Mar 10, 2018
by
anonymous
Why is voltage increases before transmission?
Why is voltage increases before transmission?
voltage
increases
transmission
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105
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0
answers
asked
Mar 10, 2018
by
anonymous
Why high voltage test is done?
Why high voltage test is done?
high
voltage
test
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51
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0
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asked
Mar 10, 2018
by
anonymous
Why high voltage is used in power transmission?
Why high voltage is used in power transmission?
Last answer:
The primary reason that power is transmitted at high voltages is to increase efficiency. ... The lower current that accompanies high voltage transmissionreduces resistance in the conductors aselectricity flows ... This means that thin, light-weight wires can beused in long-distance transmission.
high
voltage
power
transmission
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2
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Mar 10, 2018
by
anonymous
Why the read of 3 phase voltage is 440?
Why the read of 3 phase voltage is 440?
Last answer:
The read of a phase voltage should be approximatly 240v. This is because line voltage equals to quberoot of phase voltage.
read
phase
voltage
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1
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asked
Dec 5, 2017
by
bhanuprakash
according to ohms law voltage directly proportional to current but it is reverse in transformer why?
About trnsformer
Last answer:
Acc to Ohms law V=IR but it is only applicable when our resistance R is constant, as in case of transformer we take impedence which is equivalent to resistance is not constant it varies with system parameters that why Ohms law not applicable in case of transformer
voltage
current
power
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1
answer
asked
Sep 10, 2017
by
anonymous
why mosfet is voltage controlled device?
Last answer:
already answered here is mosfet current controlled device?
mosfet
voltage
controlled
device
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126
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1
answer
asked
Apr 29, 2018
by
anonymous
A network that consists of at least a voltage source or current source is called
A network that consists of at least a voltage source or current source is called A) Active network B) Ideal network C) Sourced network D) Outsourced network
Last answer:
A network that consists of at least a voltage source or current source is called Active network
network
voltage
source
current
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68
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1
answer
asked
Apr 29, 2018
by
anonymous
A circuit that binds the upper or lower extreme of a waveform to a fixed DC voltage level is called ______
A circuit that binds the upper or lower extreme of a waveform to a fixed DC voltage level is called ______ A) DC voltage restorer B) Clamping circuit C) Both A and B D) None of these
Last answer:
A circuit that binds the upper or lower extreme of a waveform to a fixed DC voltage level is called ______ A) DC voltage restorer B) Clamping circuit C) Both A and B D) None of these
circuit
binds
upper
lower
extreme
waveform
fixed
dc
voltage
level
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1
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asked
Apr 29, 2018
by
anonymous
In a battery, the difference between the no-load voltage and the measured voltage output is called ________
In a battery, the difference between the no-load voltage and the measured voltage output is called ________ A) Internal voltage B) Internal resistance C) External resistance D) All the above
Last answer:
In a battery, the difference between the no-load voltage and the measured voltage output is called Internal resistance
battery
no-load
voltage
measured
output
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1
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asked
May 24, 2019
by
anonymous
Why inductor current lags inductor voltage ?
Why inductor current lags inductor voltage ?
Last answer:
Inductor is a wire wounding structure having a core material it induces emf which is opposite to the voltage supply and proportional to rate of change of current so current lags the voltage in inductor
why
inductor
current
lags
voltage
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1
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asked
Mar 10, 2018
by
anonymous
Why high voltage can reduce power loss?
Why high voltage can reduce power loss?
Last answer:
when voltage has increased due to reduced current flow, thus power loss given by ( I^2R) will be low due to reduced current(I^2) provided that resistance (R) is constant.
high
voltage
reduce
power
loss
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2.5k
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1
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asked
Mar 10, 2018
by
anonymous
Why does increase in current mean a decrease in voltage?
Why does increase in current mean a decrease in voltage?
Last answer:
This is because current flows from high potential to low potential to bring the two diffrent potential to unity , thus a reduced potential (voltage)
increase
current
decrease
voltage
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1
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asked
Jun 18, 2018
by
anonymous
An SSB transmitter produces a peak-to-peak voltage of 200 V across a 100 Ω antenna load. What is the Peak
An SSB transmitter produces a peak-to-peak voltage of 200 V across a 100 Ω antenna load. What is the Peak Envelope Power? A) 49.98 W B) 79.98 W C) 99.96 W D) 199.93 W
Last answer:
An SSB transmitter produces a peak-to-peak voltage of 200 V across a 100 Ω antenna load. What is the Peak Envelope Power? A) 49.98 W B) 79.98 W C) 99.96 W D) 199.93 W
ssb
transmitter
peak-to-peak
voltage
antenna
load
peak
envelope
power
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209
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1
answer
asked
Sep 10, 2017
by
anonymous
is bjt a voltage controlled device ?
Last answer:
No, BJT is a current controlled device .
bjt
voltage
controlled
device
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156
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1
answer
asked
Mar 26, 2018
by
anonymous
The voltage gain of triode depends on?
Last answer:
The voltage gain of triode depends on plate voltage.
voltage
gain
triode
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73
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1
answer
asked
May 13, 2018
by
anonymous
Which of the following is also called as voltage commutation?
Which of the following is also called as voltage commutation? (a) CLASS A (b) CLASS B (c) CLASS C (d) CLASS D
Last answer:
Which of the following is also called as voltage commutation? (a) CLASS A (b) CLASS B (c) CLASS C (d) CLASS D
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60
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1
answer
asked
Jan 24, 2020
by
anonymous
What is terminal voltage ?
What is terminal voltage ?
terminal
voltage
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64
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0
answers
asked
Jun 29, 2019
by
anonymous
Is the power line voltage available in our homes a dc or an ac voltage?
Is the power line voltage available in our homes a dc or an ac voltage?
Last answer:
The power line voltage available in our homes is AC. Mobile dwellings are the most commonly DC-supplied homes and even then they tend to include AC supply for heavier loads.
is
the
power
line
voltage
available
in
our
homes
a
dc
or
an
ac
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5.0k
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1
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asked
Sep 7, 2018
by
anonymous
Explain how sinusoidal AC voltage is generated by using simple one loop generator.
Explain how sinusoidal AC voltage is generated by using simple one loop generator.
Last answer:
An electric current produced by means of electrical machine is known as generator which converts mechanical energy into electrical energy. When conductor cuts the magnetic flux, emf induced in it. (Faraday' ... upon position of armature. The nature of emf is alternating as shown by the waveform.
sinusoidal
ac
voltage
generated
simple
loop
generator
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1
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asked
Sep 4, 2018
by
anonymous
What is internal voltage drop and terminal voltage?
What is internal voltage drop and terminal voltage?
Last answer:
It is not permissible to just connect the positive terminal to the negative terminal of a cell with a copper wire. It will overheat and get damaged. This happens because the electromotive force (emf) ... than the nominal voltage (emf) of the cell and this lower voltage is called terminal voltage.
internal
voltage
drop
terminal
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2
answers
asked
Aug 12, 2018
by
anonymous
For a balanced three phase star connected load for which line voltage is 230V and per phase resistance and reactance is 6 Ohm and 8 Ohm respectively. Calculate: 1) phase voltage 2) line current 3) power factor 4) total power absorbed
For a balanced three phase star connected load for which line voltage is 230V and per phase resistance and reactance is 6 Ohm and 8 Ohm respectively. Calculate: 1) phase voltage 2) line current 3) power factor 4) total power absorbed
phase
voltage
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147
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0
answers
...