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What does it mean to analyze a circuit?
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asked
Mar 10, 2018
by
anonymous
What does it mean to analyze a circuit?
analyze
circuit
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asked
May 3, 2020
by
anonymous
Analyze the effect of supply voltage on performance of LED as regards current, Lumen output, efficacy and life.
Analyze the effect of supply voltage on performance of LED as regards current, Lumen output, efficacy and life.
Last answer:
1) Effect on Current:- In LED current depends upon supply voltage, if voltage get changes then current also change but this change in current will be control by resistors which are connected in series. 2) ... 4) Effect on Life:- If supply voltage is not stable then life of LED get reduced.
analyze
the
effect
of
supply
voltage
on
performance
led
as
regards
current
lumen
output
efficacy
and
life
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asked
Jan 10, 2018
by
anonymous
What does it mean when an RLC circuit is at resonance?
Last answer:
When the total impendance equals supply frequency.
rlc
circuit
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116
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2
answers
asked
Mar 22, 2018
by
anonymous
What is a clipping circuit?
What is a clipping circuit?
clipping
circuit
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58
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0
answers
asked
Mar 22, 2018
by
anonymous
What is a diode clamper circuit?
What is a diode clamper circuit?
Last answer:
Tha faction of diode
diode
clamper
circuit
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121
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1
answer
asked
Mar 10, 2018
by
anonymous
What is the frequency response of a circuit?
What is the frequency response of a circuit?
frequency
response
circuit
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91
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0
answers
asked
Mar 10, 2018
by
anonymous
What is DC analysis of a circuit?
What is DC analysis of a circuit?
dc
analysis
circuit
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88
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0
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asked
Mar 22, 2018
by
anonymous
What is the use of diode in the circuit?
What is the use of diode in the circuit?
Last answer:
Diode is a device which allows the flow of current in one direction and blocks the current in opposite direction.
use
diode
circuit
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1
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asked
Mar 10, 2018
by
anonymous
What is the analog circuit?
What is the analog circuit?
analog
circuit
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0
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asked
Mar 21, 2018
by
anonymous
It is required to measure the true open circuit e.m.f. of a battery. The best device is?
Last answer:
It is required to measure the true open circuit e.m.f. of a battery. The best device is D.C. potentiometer.
measure
open
circuit
emf
battery
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110
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1
answer
asked
May 5, 2020
by
anonymous
Why does leakage occur in a magnetic circuit?
Why does leakage occur in a magnetic circuit?
leakage
magnetic
circuit
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105
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0
answers
asked
Mar 25, 2018
by
anonymous
Power factor of an inductive circuit is usually improved by connecting capacitor to it in?
Power factor of an inductive circuit is usually improved by connecting capacitor to it in?
Last answer:
Power factor of an inductive circuit is usually improved by connecting capacitor to it in parallel.
power
factor
inductive
circuit
usually
improved
capacitor
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160
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1
answer
asked
Jan 13, 2019
by
Savie
What does it mean for an installation to be grounded?
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125
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asked
Mar 14, 2018
by
anonymous
What supplies energy to move through a circuit?
What supplies energy to move through a circuit?
Last answer:
A potentiall diffrence provides sunction pressure.
supplies
energy
circuit
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37
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1
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asked
Mar 22, 2018
by
anonymous
What do you mean by biasing of a transistor?
What do you mean by biasing of a transistor?
biasing
transistor
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74
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0
answers
asked
Apr 29, 2018
by
anonymous
What is the RMS voltage in a series RL circuit, if the voltage across R and L is 256 V and 192 V respectively?
What is the RMS voltage in a series RL circuit, if the voltage across R and L is 256 V and 192 V respectively? A) 320 V B) 448 V C) 64 V D) None of these
Last answer:
What is the RMS voltage in a series RL circuit, if the voltage across R and L is 256 V and 192 V respectively? A) 320 V B) 448 V C) 64 V D) None of these
rms
voltage
series
rl
circuit
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64
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1
answer
asked
Apr 29, 2018
by
anonymous
Consider a circuit with three parallel branches connected across a DC supply. What is the ratio of the branch
Consider a circuit with three parallel branches connected across a DC supply. What is the ratio of the branch currents I1 : I2 : I3 if the branch resistances are in the ratio of 2 : 3 : 4 respectively? A) 2 : 3 : 4 B) 6 : 4 : 3 C) 4 : 3 : 2 D) None of these
Last answer:
Consider a circuit with three parallel branches connected across a DC supply. What is the ratio of the branch currents I1 : I2 : I3 if the branch resistances are in the ratio of 2 : 3 : 4 respectively? A) 2 : 3 : 4 B) 6 : 4 : 3 C) 4 : 3 : 2 D) None of these
circuit
three
parallel
branches
connected
dc
supply
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170
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1
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asked
Mar 19, 2018
by
anonymous
What is the use of a thyristor in a circuit?
What is the use of a thyristor in a circuit?
use
thyristor
circuit
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asked
Mar 15, 2018
by
anonymous
What is the role of a capacitor in a circuit?
What is the role of a capacitor in a circuit?
role
capacitor
circuit
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63
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0
answers
asked
Mar 10, 2018
by
anonymous
What is a node in an electrical circuit?
What is a node in an electrical circuit?
Last answer:
a positively charged electrons
node
electrical
circuit
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261
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2
answers
asked
Mar 10, 2018
by
anonymous
What can cause a short circuit?
What can cause a short circuit?
cause
short
circuit
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54
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0
answers
asked
Mar 10, 2018
by
anonymous
What is the maximum number of circuit breakers in a panel?
What is the maximum number of circuit breakers in a panel?
Last answer:
It depends on that which type of panel is this.
maximum
number
circuit
breakers
panel
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79
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1
answer
asked
Dec 16, 2017
by
anonymous
What is the purpose of a capacitor in an AC circuit?
What is the purpose of a capacitor in an AC circuit?
Last answer:
Every AC supply is not ideal AC it contains DC component so to provide restriction to DC component in supply we have to use Capacitor
capacitor
ac
circuit
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154
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1
answer
asked
Jun 29, 2019
by
anonymous
Explain why potential difference is necessary to produce current in a circuit.
Explain why potential difference is necessary to produce current in a circuit.
explain
why
potential
difference
is
necessary
to
produce
current
in
a
circuit
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0
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asked
Jun 18, 2018
by
anonymous
An AC supply of 230 V is applied to a half-wave rectifier circuit through a transformer having primary to
An AC supply of 230 V is applied to a half-wave rectifier circuit through a transformer having primary to secondary turn’s ratio 12:1. The peak inverse voltage is A) 8.62 V B) 12 V C) 19.17 V D) 27.11 V
Last answer:
An AC supply of 230 V is applied to a half-wave rectifier circuit through a transformer having primary to secondary turn’s ratio 12:1. The peak inverse voltage is A) 8.62 V B) 12 V C) 19.17 V D) 27.11 V
ac
supply
half-wave
rectifier
circuit
transformer
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125
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1
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asked
May 8, 2018
by
anonymous
A circuit breaker is designed to protect an electrical circuit from damage caused by :
A circuit breaker is designed to protect an electrical circuit from damage caused by : (A) Over load (B) Short circuit (C) Over current (D) All of the above
Last answer:
A circuit breaker is designed to protect an electrical circuit from damage caused by : (A) Over load (B) Short circuit (C) Over current (D) All of the above
circuit
breaker
designed
protect
electrical
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1
answer
asked
Apr 29, 2018
by
anonymous
A dummy strain gage is used in a quarter bridge strain gage circuit to :
A dummy strain gage is used in a quarter bridge strain gage circuit to : (A) compensate for changes in temperature and lead wire resistance (B) produce more output voltage from the bridge (C) increase the sensitivity of the bridge (D) compensate lead wire resistance only
Last answer:
A dummy strain gage is used in a quarter bridge strain gage circuit to : compensate for changes in temperature and lead wire resistance
dummy
strain
gage
used
quarter
bridge
circuit
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71
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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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83
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1
answer
asked
Apr 28, 2018
by
anonymous
A snubber circuit is connected to the power semiconductor device to reduce the
A snubber circuit is connected to the power semiconductor device to reduce the (A) turn-on time (B) turn-off time (C) electrical stresses (D) thermal resistance
Last answer:
A snubber circuit is connected to the power semiconductor device to reduce the electrical stresses
snubber
circuit
power
semiconductor
device
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82
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1
answer
asked
Apr 28, 2018
by
anonymous
In a 3-phase converter circuit during commutation when one SCR in one phase is turned on to turn-off an SCR
In a 3-phase converter circuit during commutation when one SCR in one phase is turned on to turn-off an SCR in another phase, results in (A) voltage notching (B) harmonic distortion (C) voltage sag (D) voltage swell
Last answer:
In a 3-phase converter circuit during commutation when one SCR in one phase is turned on to turn-off an SCR in another phase, results in voltage notching
3-phase
converter
circuit
commutation
scr
phase
turned
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129
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1
answer
asked
Mar 25, 2018
by
anonymous
In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will?
In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will?
Last answer:
In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will be reduced by half.
pure
capacitive
circuit
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336
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1
answer
asked
Mar 25, 2018
by
anonymous
In a pure inductive circuit if the supply frequency is reduced to 1/2, the current will?
In a pure inductive circuit if the supply frequency is reduced to 1/2, the current will?
Last answer:
In a pure inductive circuit if the supply frequency is reduced to 1/2, the current will be doubled.
pure
inductive
circuit
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208
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1
answer
asked
Mar 25, 2018
by
anonymous
The purpose of a parallel circuit resonance is to magnify?
The purpose of a parallel circuit resonance is to magnify?
Last answer:
The purpose of a parallel circuit resonance is to magnify voltage.
purpose
parallel
circuit
resonance
magnify
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3.1k
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1
answer
asked
Mar 25, 2018
by
anonymous
Time constant of a circuit is the time in seconds taken after the application of voltage to each?
Time constant of a circuit is the time in seconds taken after the application of voltage to each?
Last answer:
Time constant of a circuit is the time in seconds taken after the application of voltage to each 63% of maximum value.
constant
time
circuit
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61
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1
answer
asked
Mar 25, 2018
by
anonymous
All the rules and laws of D.C. circuit also apply to A.C. circuit containing?
All the rules and laws of D.C. circuit also apply to A.C. circuit containing?
Last answer:
All the rules and laws of D.C. circuit also apply to A.C. circuit containing resistance only.
rules
laws
dc
circuit
ac
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150
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1
answer
asked
Mar 20, 2018
by
anonymous
In a circuit breaker the basic problem is to?
Last answer:
In a circuit breaker the basic problem is to transmit large power.
circuit
breaker
basic
problem
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103
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1
answer
asked
Mar 10, 2018
by
anonymous
Why do you need a closed circuit for electricity to flow?
Why do you need a closed circuit for electricity to flow?
Last answer:
When the circuit is closed , a potential diffrence is realized between the two nodes connected .This causes flow of electrons and convection current.
closed
circuit
electricity
flow
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125
views
1
answer
asked
Mar 10, 2018
by
anonymous
What do you mean by frequency response of an amplifier?
What do you mean by frequency response of an amplifier?
frequency
response
amplifier
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76
views
0
answers
asked
Jul 4, 2019
by
anonymous
What is unilateral and bilateral circuit?
What is unilateral and bilateral circuit?
Last answer:
Unilateral Circuit: If the characteristic (response or behavior) of circuit depends on the direction of flow of current through its elements, then the network is called as a unilateral network. ... the direction of current through its elements, then the network is called as a bilateral network.
unilateral
bilateral
circuit
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337
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2
answers
asked
Oct 15, 2018
by
anonymous
What is electrical circuit ?
What is electrical circuit ?
Last answer:
An electric circuit is the interconnection of electrical elements. Electrical elements like battery, lamp, wire etc.
electrical
circuit
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94
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1
answer
asked
Mar 16, 2018
by
anonymous
What is the power factor of purely resistive circuit?
What is the power factor of purely resistive circuit.
Last answer:
Unity that is 1
power
factor
purely
resistive
circuit
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180
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2
answers
asked
Mar 14, 2018
by
anonymous
What is the direction of flow of electric current in an electric circuit?
What is the direction of flow of electric current in an electric circuit?
Last answer:
It flows from anode to cathode (direction of holes flow)
direction
flow
electric
current
circuit
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144
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1
answer
asked
Mar 10, 2018
by
anonymous
What is mesh in circuit theory?
What is mesh in circuit theory?
Last answer:
A mesh is barrier made of conneticonstrands of metal fiber or other flexible or ductile materials
mesh
circuit
theory
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113
views
1
answer
asked
Mar 10, 2018
by
anonymous
What is digital circuit design?
What is digital circuit design?
digital
circuit
design
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48
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is electronic circuit design?
What is electronic circuit design?
electronic
circuit
design
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58
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0
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asked
Jan 14, 2018
by
anonymous
What is Sample and hold circuit ?
Last answer:
Sample and hold circuit is the important part of data converters (ADC and DAC). Sample and hold circuit is also called as track-and-hold circuit. Sample and hold circuit is use for sampling ... some time. Sample and hold circuit basically uses an analogue switch (like JFET) and capacitor.
sample
and
hold
circuit
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87
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1
answer
asked
Dec 4, 2017
by
anonymous
what is SF6 circuit breaker?
what is SF6 circuit breaker?
Last answer:
A circuit breaker in which SF6 under pressure gas is used toextinguish the arc is calledSF6 circuit breaker. SF6 (sulphur hexafluoride) gas has excellent dielectric , arc quenching, chemical and other physical properties and has proved its ...
sf6
circuit
breaker
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70
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1
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asked
Sep 25, 2017
by
anonymous
what is Application Specific Integrated Circuit ASIC?
Last answer:
Integrated circuit design for particular application is known as Application Specific Integrated Circuit ASIC. ASIC have smaller size, less power consumption and less cost .
application
specific
integrated
circuit
asic
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84
views
1
answer
asked
Sep 20, 2017
by
anonymous
what is drive circuit in power electronics ?
What is drive circuit in power electronics?
Last answer:
Driver is used for Motion Control through the use of power electronics.
driver
circuit
power
electronics
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112
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2
answers
asked
Sep 3, 2017
by
anonymous
what is short circuit test in transformer?
Last answer:
In short circuit test of transformer the low voltage side is short circuited . On high voltage side the voltmeter is connected in parallel and ammeter in series and also a wattmeter is ... circuit test is done for determining impedance and losses. In this test iron losses is neglected.
short
circuit
test
transformer
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134
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1
answer
asked
May 2, 2020
by
anonymous
Define Sample and hold period with reference to S/H circuit.
Define Sample and hold period with reference to S/H circuit.
Last answer:
Sample Period:- The time period during which the voltage across the capacitor is equal to the input voltage is called sample period. Hold Period:- The time period during which the voltage across the capacitor is constant is called hold period.
define
sample
and
hold
period
with
reference
to
s
h
circuit
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50
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1
answer
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