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Enlist the different modes of operation of electronic counters and explain any two modes in details.
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asked
Mar 2, 2018
by
anonymous
Enlist the different modes of operation of electronic counters and explain any two modes in details.
different
operation
electronic
counters
modes
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asked
May 21, 2020
by
anonymous
With neat sketch explain four modes of operation of a TRIAC?
With neat sketch explain four modes of operation of a TRIAC?
Last answer:
Modes of operation of a TRIAC: There are four different operating modes of TRIAC: 1) MT2 and gate are positive with respect to terminal MT1(Mode1) : Here terminal MT2 is positive ... junction P2-N2 is forward biased, current carriers are injected and therefore, the TRIAC is turned on.
modes
operation
triac
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answer
asked
Aug 5, 2019
by
anonymous
State the different modes of electron emission in metal. Explain any two modes of emission.
State the different modes of electron emission in metal. Explain any two modes of emission.
Last answer:
Different modes of electron emission in metal - 1. Thermionic emission 2. Photo electric emission. 3. Field emission. 4. Secondary emission. Mode of Emission 1. Thermionic emission. ... (GaP) Application: Electron multiplier tubes, Special amplifying tubes, Computer memory tubes.
modes
electron
emission
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asked
May 21, 2020
by
anonymous
List out features of any four addressing modes of 8051.
List out features of any four addressing modes of 8051.
Last answer:
1.Immediate addressing mode: In this Immediate Addressing Mode, the data is provided in the instruction itself. The data is provided immediately after the opcode. These are some examples of Immediate Addressing Mode. MOVA ... us see some examples of this mode. MOV 0E5H, @R0 MOV @R1, 80H
addressing
modes
8051
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1
answer
asked
Mar 2, 2018
by
anonymous
Explain the basic operation of an oscilloscope with necessary diagram for each section in detail.
Explain the basic operation of an oscilloscope with necessary diagram for each section in detail.
basic
operation
oscilloscope
diagram
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asked
Sep 4, 2019
by
anonymous
different types of errors occurs in measurement.
different types of errors occurs in measurement.
Last answer:
Generally errors are classified into three types: systematic errors, random errors and blunders. 1) Gross Errors 2) Random Errors 3) Systematic Errors Instrumental Errors Environmental ... to wrong observations or reading in the instruments particularly in case of energy meter reading.
different
types
errors
measurement
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asked
Sep 8, 2018
by
anonymous
How are nuclear reactors controlled? Explain two different methods in brief.
How are nuclear reactors controlled? Explain two different methods in brief.
Last answer:
Nuclear reactor is controlled using control rods: Control rods are made up of very high neutron absorbing material like boron, cadmium. By adjusting height of control rods on reactor core ... of nuclear reaction will increase. Whereas by pushing control rod towards the core it will reduce.
nuclear
reactors
controlled
different
methods
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asked
May 7, 2020
by
anonymous
List different starting methods of three phase synchronous motor. Explain any one of them.
List different starting methods of three phase synchronous motor. Explain any one of them.
Last answer:
Different Starting Methods of Three Phase Synchronous Motor: As synchronous motor is not self starting, different methods of starting are as follows: 1) By using an Induction (Pony) motor 2) ... . The rotor gets pulled into synchronism and starts running at constant speed as a synchronous motor.
list
different
starting
methods
of
three
phase
synchronous
motor
explain
any
one
them
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asked
May 3, 2020
by
anonymous
State two types of Electronic dimmer.
State two types of Electronic dimmer.
Last answer:
Two types of electronic dimmers are: 1) S.C.R. operated dimmer 2) Triac operated dimmer
state
two
types
of
electronic
dimmer
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1
answer
asked
Apr 28, 2018
by
anonymous
The operation of a ramp type Digital Voltmeter is based on the principle of
The operation of a ramp type Digital Voltmeter is based on the principle of (A) Voltage-to-current conversion. (B) Voltage-to-time conversion. (C) Current-to-time conversion. (D) Current-to-frequency conversion.
Last answer:
The operation of a ramp type Digital Voltmeter is based on the principle of Voltage-to-time conversion.
operation
ramp
type
digital
voltmeter
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asked
Mar 2, 2018
by
anonymous
Describe the basic SHA operation with the help of its four mode specifications.
Describe the basic SHA operation with the help of its four mode specifications.
Last answer:
Sample-and-hold amplifier (SHA) is a unity gain amplifier with a mode control switch where the input of the amplifier is connected to a time-varying signal. A trigger pulse at the mode control switch ... but other forms, such as optical and mechanical forms, are possible. Also denoted S/H.
describe
basic
sha
operation
four
mode
specifications
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asked
Sep 4, 2019
by
anonymous
operation of DSO with block diagram.
operation of DSO with block diagram.
Last answer:
The input is amplified and attenuated with input amplifiers. The output of the input signal amplifiers feeds an analog to digital converter (ADC). There are numbers of ADC available. But the selection of ADC ... view the display on the CRT, the data from memory is reconstructed in analog form.
operation
dso
block
diagram
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asked
Sep 4, 2019
by
anonymous
operation of ramp type DVM.
operation of ramp type DVM.
Last answer:
This is given to an input comparator which will compare two signals and generates the output. One input to the input comparator is from the input and another input is from the ramp. This input voltage and ... ground and output is given. This output will stop the flow of purchase from clock
operation
ramp
type
dvm
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asked
Sep 4, 2019
by
anonymous
operation of half wave rectifier type AC Voltmeter.
operation of half wave rectifier type AC Voltmeter.
Last answer:
Half-wave Rectifier Voltmeter The d'Arsonval meter movement only responds to the average or dc value of the current through the moving coil. In order to measure alternating ... ) input voltage signal alternating signal needs to be rectified first by using diode rectifier to produce
operation
half
wave
rectifier
ac
voltmeter
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asked
Sep 4, 2019
by
anonymous
operation of whetstone bridge.
operation of whetstone bridge.
Last answer:
A Wheatstone bridge is widely used to measure the electrical resistance. This circuit is built with two known resistors, one unknown resistor and one variable resistor connected in the form of bridge. ... using a Wheatstone Bridge the unknown electrical resistance value can easily measure.
operation
whetstone
bridge
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1
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asked
Sep 6, 2018
by
anonymous
Draw and describe working of electronic energy meter.
Draw and describe working of electronic energy meter.
Last answer:
working of electronic energy meter:- 1. CT reduces current to reasonable value for current scaling network. 2. Voltage & current scaling networks reduce proportionally the voltage & ... The ADC converts the square wave frequency analog output to display the energy in watthour.
describe
working
electronic
energy
meter
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asked
Jan 21, 2020
by
Sampson
What's the difference between electronic and electrical
whats
the
difference
between
electronic
and
electrical
e
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asked
Mar 24, 2018
by
anonymous
If two sinusoids of the same frequency but of different amplitudes and phase angles are subtracted, the resultant is?
Last answer:
If two sinusoids of the same frequency but of different amplitudes and phase angles are subtracted, the resultant is a sinusoid of the same frequency.
sinusoids
different
amplitudes
phase
angles
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1
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asked
Aug 3, 2019
by
anonymous
Draw and explain integrated duration curve used in system operation.
Draw and explain integrated duration curve used in system operation.
Last answer:
Diagram of integrated duration curve used in system operation: Explanation: Integrated duration curve is obtained from load duration curve. It is drawn in between load on Y-axis in KW/MW and the X- ... a particular time of a day can also be shown on a curve which is called as mass curve.
integrated
duration
curve
system
operation
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asked
Aug 4, 2019
by
anonymous
Describe the process of photo emission. State the application of photo emission in electronic components
Describe the process of photo emission. State the application of photo emission in electronic components
Last answer:
Process of Photoemission:when light of appropriate frequency and intensity is incident upon a surface of certain materials,the energy of light is given to electrons to leave the surface of metal ... photo tubes are used in door openers,counters, position and temperature control and colour analysis
photo
emission
electronic
components
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101
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1
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asked
Sep 28, 2018
by
anonymous
The first digital electronic computer was built in the year________
The first digital electronic computer was built in the year________ A. 1950 B. 1960 C. 1940 D. 1930
Last answer:
The first digital electronic computer was built in the year 1940
digital
electronic
computer
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86
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1
answer
asked
Mar 10, 2018
by
anonymous
Explain different gate drives techniques with base circuits and key features.
Explain different gate drives techniques with base circuits and key features.
different
gate
drives
techniques
base
circuits
key
features
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0
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asked
Sep 5, 2018
by
anonymous
List the different errors in wattmeter & explain compensation for it.
List the different errors in wattmeter & explain compensation for it.
Last answer:
Errors in Wattmeter Compensation method Error due to connection method To overcome this error, wattmeters are provided with additional compensating winding which is connected in series with ... due to friction The weight of moving system be reduced to minimum possible.
different
errors
wattmeter
explain
compensation
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1
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asked
Sep 4, 2018
by
anonymous
What is photodiode? Draw the symbol and explain operation of photodiode.
What is photodiode? Draw the symbol and explain operation of photodiode.
Last answer:
A photodiode is a light detector that converts light into an electrical current. A photodiode is a semi-conductor device, with a p-n junction and an intrinsic layer between p and n layers ... current is independent of reverse bias voltage. Reverse current is mostly depends on the light intensity.
photodiode
symbol
explain
operation
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443
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1
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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
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1
answer
asked
Sep 5, 2018
by
anonymous
Draw diagram of class A push-pull amplifier and explain its operation.
Draw diagram of class A push-pull amplifier and explain its operation.
Last answer:
Class A Push-pull Amplifier: The circuit diagram of class A push-pull amplifier is as shown in the fig.(a). Operation: The resistors R1 and R2 along with Vcc provide the dc biasing so as ... Vcc is applied to the collectors of transistors Q1 and Q2 through the centretapped output transformer.
classa
push-pull
amplifier
operation
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70
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1
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asked
Sep 4, 2018
by
anonymous
Draw the single stage RC coupled amplifier circuit and explain its’s operation.
Draw the single stage RC coupled amplifier circuit and explain its’s operation.
Last answer:
Operation:- The capacitors C1 and C2 are called as the coupling capacitors. As the load resistor RL (not shown in the diagram) is coupled to the amplifier through the coupling capacitor ... connected in the common emitter (CE) configuration. Therefore, this amplifier is called CE amplifier.
single
stage
rc
coupled
amplifier
circuit
operation
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1
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asked
Apr 30, 2018
by
anonymous
A four -quadrant operation requires two full converters connected in
A four -quadrant operation requires two full converters connected in (1) Series (3) Back to back (2) Parallel (4) Series Cascade
Last answer:
A four-quadrant operation requires two full converters connected in Parallel
four
quadrant
operation
full
converters
connected
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482
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1
answer
asked
Mar 10, 2018
by
anonymous
What are the types of electronic communication?
What are the types of electronic communication?
types
electronic
communication
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81
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0
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asked
Mar 10, 2018
by
anonymous
What is the definition of electronic communication?
What is the definition of electronic communication?
definition
electronic
communication
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55
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0
answers
asked
Sep 6, 2018
by
anonymous
Draw a block diagram of electronic energy meter. Write function of each block.
Draw a block diagram of electronic energy meter. Write function of each block.
Last answer:
Electronic Energymeter Functions of components/blocks: - CT reduces current to reasonable value for current scaling network. - Voltage & current scaling networks reduce proportionally the voltage ... ADC converts the square wave frequency analog output to display the energy in watthour.
block
diagram
electronic
energy
meter
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150
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1
answer
asked
Apr 20, 2020
by
anonymous
Power Electronic Devices
Power Electronic Devices
power
electronic
devices
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47
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0
answers
asked
Aug 1, 2019
by
anonymous
Blackt Electrotech 230V 24x7 Energy Saving Socket Type Digital Programmable Plastic Electronic Timer (White)
Blackt Electrotech 230V 24x7 Energy Saving Socket Type Digital Programmable Plastic Electronic Timer (White)
Last answer:
Buy from amazon: https://amzn.to/2SUTSdv Buy: http://bit.ly/2ZqlAkS
blackt
electrotech
energy
saving
socket
type
digital
programmable
plastic
electronic
timer
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0
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61
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1
answer
asked
Mar 10, 2018
by
anonymous
What is Electronic Systems Engineering?
What is Electronic Systems Engineering?
electronic
systems
engineering
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0
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53
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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
answers
asked
Mar 10, 2018
by
anonymous
What is an electronic controller?
What is an electronic controller?
electronic
controller
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52
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0
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asked
Mar 10, 2018
by
anonymous
What is an electronic design?
What is an electronic design?
electronic
design
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51
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0
answers
asked
Aug 9, 2017
by
anonymous
Electronic Counter
Electronic Counter
Last answer:
Electronic Counter Electronic counter counts the number of pulses in a given time. Electronic counter is made from cascade flip-flops. It is use to store or display counting. Some counter is use ... BCD counter counts from 0000 (0) to 1001 (9). Johnson counter is the twisted ring counter.
electronic
counter
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63
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1
answer
asked
Mar 20, 2018
by
anonymous
For the parallel operation of two or more D.C. compound generators, we should ensure that?
Last answer:
For the parallel operation of two or more D.C. compound generators, we should ensure that series fields of all generators should be either on positive side or negative side of the armature.
parallel
operation
dc
compound
generators
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133
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1
answer
asked
Jul 25, 2019
by
anonymous
Explain the operation of UPS with a neat block diagram.
Explain the operation of UPS with a neat block diagram.
Last answer:
Uninterruptible-Power-Supplies (UPS): A block diagram of UPS system is shown in figure. It essentially consists of four major components: i)Rectifier (or battery charger) ii) ... . Due to fast action requirement, transfer switch can be implemented by fast acting semiconductor devices.
operation
ups
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3.0k
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1
answer
asked
Sep 7, 2018
by
anonymous
Explain the operation of advanced gas cooled reactor.
Explain the operation of advanced gas cooled reactor.
Last answer:
Operation:- Carbon dioxide or Helium is the gas used for transferring the heat produced form the reactor core to the Heat exchanger. The gas is pumped through the reactor core at high pressure. In heat ... The AGR was designed to have a high thermal efficiency 40 %. Steam pressure is 162 Kg/cm2
operation
advanced
gas
cooled
reactor
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asked
Sep 15, 2017
by
anonymous
explain the parallel operation of IGBT?
Also, highlight the problem faced during parallel operation.
Last answer:
Parallel operation of IGBT: Parallel operation of IGBT is done for obtaining high current rating. Paralleling of IGBT reduces conduction losses and thermal stress. IGBT combines the qualities of ... . IGBTs must share losses equally otherwise IGBT may get failure due to thermal differences.
parallel
operation
igbt
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194
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1
answer
asked
May 2, 2020
by
anonymous
Draw & explain operation of phase detector.
Draw & explain operation of phase detector.
Last answer:
In phase detector, the op-Amp basically acts as a zero crossing detector. If a sine wave is applied at the i/p, we get square wave at the op-Amp o/p (at point ... to two channel of the CRO. The time duration between the pulses corresponding to voltages represent the phase between them.
draw
&
explain
operation
of
phase
detector
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71
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1
answer
asked
Sep 6, 2018
by
anonymous
Name the different torque and their function in measuring instrument.
Name the different torque and their function in measuring instrument.
Last answer:
List of torques in analog instruments: 1. Deflecting torque 2. Controlling / restraining torque. 3. Damping torque. 1. Deflecting torque: - To create deflection of pointer ... . - Bring the pointer to standstill quickly. - To minimize oscillations about final position.
different
torque
function
measuring
instrument
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50
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1
answer
asked
May 2, 2020
by
anonymous
What is PLL? Explain its operation with a block diagram.
What is PLL? Explain its operation with a block diagram.
Last answer:
PLL - A phase-locked loop or phase lock loop is a control system that generates an output signal whose phase is related to the phase of an input signal Block diagram ... to the input frequency. The phase - locked loop goes through three states free running capture and phase lock.
what
is
pll
explain
its
operation
with
a
block
diagram
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83
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1
answer
asked
May 3, 2020
by
anonymous
State the different types of outdoor flood lighting and where are they used.
State the different types of outdoor flood lighting and where are they used.
Last answer:
There are three types of projectors used for flood lighting : a) Narrow beam Projector b) Medium angle Projector c) Wide angle Projector a) Narrow beam Projectors: - Light beam with such ... yards, stadiums, car parking area etc. 3) It is used for illuminating advertisements, boarding's etc.
state
the
different
types
of
outdoor
flood
lighting
and
where
are
they
used
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68
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1
answer
asked
May 2, 2020
by
anonymous
State different types of electrical signal and draw all types of waveforms.
State different types of electrical signal and draw all types of waveforms.
Last answer:
Types of electrical signals 1) Sine wave 2) Triangular wave 3) Square wave Waveforms
state
different
types
of
electrical
signal
and
draw
all
waveforms
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79
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1
answer
asked
Mar 21, 2018
by
anonymous
Describe different RT level computational and sequential components used to design single function processors.
Describe different RT level computational and sequential components used to design single function processors.
Last answer:
RT-level combinational components:- To reduce the complexity in digital logic, combinational components are used, which are more powerful than logic gates. Such combinational ... during a clock edge. An asynchronous inputs value effects the circuit independent of the clock.
different
rt
level
computational
sequential
components
used
design
single
function
processors
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161
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1
answer
asked
Aug 2, 2019
by
anonymous
State the different methods of Power Generation adopted in India.
State the different methods of Power Generation adopted in India.
Last answer:
1. Hydro energy or hydro Electric power plant 2. Nuclear energy or nuclear Power Plant 3. Fossil fuels: i) Thermal energy (by combustion of coal) or Thermal Power Plant ii) Natural gas ... from any organic waste materials. It contains mixture of methane(50-65 % in volume) and carbon dioxide
different
methods
power
generation
india
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52
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1
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asked
Sep 2, 2018
by
anonymous
List and explain the different counters of PLC in detail.
List and explain the different counters of PLC in detail.
Last answer:
A counter in PLC is an instruction equivalent to mechanical counter. A counter block of PLC has two control inputs, Count line and Reset line. When count line makes FALSE-to-TRUE transition, the counter ... down counter. The up-down counter has three inputs, count up, count down and reset.
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304
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1
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asked
May 7, 2020
by
anonymous
State different types of holders used in wiring installation.
State different types of holders used in wiring installation.
Last answer:
Following types of holders used in wiring installation: 1. Pendent Holder 2. Batten Holder 3. Angle holder 4. Screwed holder
state
different
types
of
holders
used
in
wiring
installation
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