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What is a digital power meter?
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Mar 10, 2018
by
anonymous
What is a digital power meter?
digital
power
meter
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asked
Aug 21, 2019
by
anonymous
Principal of digital frequency meter.
Principal of digital frequency meter.
Last answer:
The basic block diagram of basic digital frequency meter (DFM) is shown in above figure. The signal whose frequency we have to be measured is first to be amplified through amplifier. The output of amplifier ... = Number of counts. t = Time interval between start and stop condition of the gate.
digital
frequency
meter
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2
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Sep 5, 2018
by
anonymous
Write any two advantages of digital energy meter.
Write any two advantages of digital energy meter.
Last answer:
Advantages of Digital Energy Meter: 1) Easy to read. 2) High accuracy 3) High resolution. 4) No frictional losses as there are no moving parts. 5) No requirement for external adjustments. 6) Large ... due to absence of moving parts. 7) Highly efficient. 8) Very much compact. 9) Good reliability.
advantages
digital
energy
meter
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asked
Mar 10, 2018
by
anonymous
What is an RF Power Meter?
What is an RF Power Meter?
rf
power
meter
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asked
Mar 10, 2018
by
anonymous
What is power quality meter?
What is power quality meter?
power
quality
meter
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asked
Apr 29, 2018
by
anonymous
What is the power factor when a single phase watt meter operating on 200 V and 5 A for 5 hours makes 2016
What is the power factor when a single phase watt meter operating on 200 V and 5 A for 5 hours makes 2016 revolutions and the meter constant in revolution is 420? A) 0.04 B) 1.04 C) 0.96 D) None of these
Last answer:
What is the power factor when a single phase watt meter operating on 200 V and 5 A for 5 hours makes 2016 revolutions and the meter constant in revolution is 420? A) 0.04 B) 1.04 C) 0.96 D) None of these
power
factor
single
phase
watt
meter
operating
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asked
Mar 21, 2018
by
anonymous
In a single phase power factor meter the phase difference between the currents in the two pressure coils is?
Last answer:
In a single phase power factor meter the phase difference between the currents in the two pressure coils is exactly 90°.
single
phase
power
factor
meter
difference
between
currents
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asked
Sep 6, 2018
by
anonymous
With a neat sketch explain working of 1 phase dynamometer type power factor meter.
With a neat sketch explain working of 1 phase dynamometer type power factor meter.
Last answer:
Working of 1 phase dynamometer type power factor meter : The current coil is connected in series with load. Two pressure coils marked as A and B are connected across the supply terminals ... becomes stationary and the pointer shows steady deflection corresponding to the power factor of the load.
phase
dynamometer
type
power
factor
meter
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1
answer
asked
Mar 21, 2018
by
anonymous
In a dynamometer 3-phase power factor meter, the planes of the two moving coils are at?
Last answer:
In a dynamometer 3-phase power factor meter, the planes of the two moving coils are at 120°.
dynamometer
3-phase
power
factor
meter
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1
answer
asked
Mar 21, 2018
by
anonymous
The two pressure coils of a single phase power factor meter have?
Last answer:
The two pressure coils of a single phase power factor meter have the same dimensions and the same number of turns.
two
pressure
coils
single
phase
power
factor
meter
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answer
asked
Mar 21, 2018
by
anonymous
A power factor meter has?
Last answer:
A power factor meter has one current circuit and two pressure circuits.
power
factor
meter
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asked
Sep 22, 2018
by
anonymous
Explain the “mitigation of power theft” and “faulty meter replacement” for energy conservation techniques to reduce commercial losses.
Explain the “mitigation of power theft” and “faulty meter replacement” for energy conservation techniques to reduce commercial losses.
Last answer:
Energy conservation techniques to reduce commercial losses: 1. Mitigation of Power Theft: Power theft being the most important issue which all of the service providing utilities ... agricultural sector. Prepaid meters may prove effective measures against unauthorized abstraction of energy.
mitigation
power
theft
faulty
meter
replacement
energy
conservation
techniques
reduce
commercial
losses
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1
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asked
Mar 10, 2018
by
anonymous
What does an electric meter measure?
What does an electric meter measure?
electric
meter
measure
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asked
Mar 10, 2018
by
anonymous
How do you read a KWH Meter?
How do you read a KWH Meter?
read
kwh
meter
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70
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asked
Mar 10, 2018
by
anonymous
What are the advantages of a digital signal?
What are the advantages of a digital signal?
Last answer:
It has only two variable input and output (low or high) (0 or 5).
advantages
digital
signal
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1
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asked
May 4, 2018
by
anonymous
What is digital storage oscilloscope (DSO)?
What is digital storage oscilloscope (DSO)?
Last answer:
Digital storage oscilloscope have many advantages as compared to analogue oscilloscope. Digital storage oscilloscope uses analogue to digital converter and digital to analogue converter and also it ... oscilloscope is used for comparing waveforms and recording and it have many different uses.
digital
storage
oscilloscope
dso
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83
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1
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asked
Mar 10, 2018
by
anonymous
What is digital circuit design?
What is digital circuit design?
digital
circuit
design
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48
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asked
Mar 10, 2018
by
anonymous
What is the use of digital signal processing?
What is the use of digital signal processing?
use
digital
signal
processing
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asked
Mar 10, 2018
by
anonymous
What is the difference between analog and digital electronics?
What is the difference between analog and digital electronics?
difference
between
analog
digital
electronics
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asked
Mar 10, 2018
by
anonymous
What is digital and analog electronics?
What is digital and analog electronics?
digital
analog
electronics
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asked
Aug 9, 2017
by
anonymous
What is Analog to Digital Converter (ADC) ?
What is Analog to Digital Converter (ADC) ?
Last answer:
Analog to Digital Converter (ADC) Analog quantity may be voltage, temperature, sound, speed, audio etc. it is information or signal. ... digital form), digital speedometer (converts analog speed into digital form) etc.
analog
digital
converter
adc
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1
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asked
Mar 10, 2018
by
anonymous
What are digital signals used for?
What are digital signals used for?
digital
signals
used
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asked
Aug 18, 2017
by
anonymous
what are the advantages of digital multimeter ?
what are the advantages of digital multimeter ?
Last answer:
Precise reading digital reading easy to use less losses due to no mechanical parts high efficiency small size compact can measure AC and DC voltage and current and resistance and can be use for continuity testing
digital
multimeter
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84
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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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81
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1
answer
asked
Aug 11, 2018
by
vasilishmty97
Can we create a digital circuit that has as inputs the 3- bit digital words
Can we create a digital circuit that has as inputs the 3- bit digital words [2: 0] A, [2: 0] B and [2: 0] C and its output is equal to |C-A-B| . The circuit of the binary full adder is known.
electronics
digital
full
adder
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63
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0
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asked
Mar 10, 2018
by
anonymous
What is a power quality analyzer?
What is a power quality analyzer?
power
quality
analyzer
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434
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0
answers
asked
Mar 10, 2018
by
anonymous
Why digital signal processing is important?
Why digital signal processing is important?
digital
signal
processing
important
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67
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0
answers
asked
Mar 10, 2018
by
anonymous
What can you do to prevent a power surge?
What can you do to prevent a power surge?
prevent
power
surge
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51
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0
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asked
Mar 10, 2018
by
anonymous
What would cause a power surge in a house?
What would cause a power surge in a house?
Last answer:
If your neibour / other flat owners / your maintainer staff switch on any type of inductive load that can cause power surge / dip
cause
power
surge
house
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72
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1
answer
asked
Sep 6, 2018
by
anonymous
What is meant by energy meter constant?
What is meant by energy meter constant?
Last answer:
Energy Meter Constant A fixed value which is used when converting meter readings to actual energy use, especially when potential transformers and similar types of equipment are used in metering. For example, K=--------rev/Kwh
energy
meter
constant
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60
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1
answer
asked
Mar 10, 2018
by
anonymous
What type of meter is used to measure current?
What type of meter is used to measure current?
Last answer:
Ammeter
type
meter
used
measure
current
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2.6k
views
3
answers
asked
Sep 25, 2017
by
anonymous
what is mean by nano meter technology ?
Last answer:
Nanometer is a ametric measure of distance equivalent to one billionth of a meter.
vlsi
nano
meter
technology
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71
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2
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asked
Sep 2, 2019
by
anonymous
working of Digital camcoder.
working of Digital camcoder.
Last answer:
Explanation: Figure shows the functional block diagram of a digital camcorder system. Light from the optical lens assembly projects an image onto the charged coupled device (CCD) imager ... data from the recording medium are demultiplexed and decompressed and fed into the EVF for display.
digital
camcoder
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47
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1
answer
asked
Aug 21, 2019
by
anonymous
Compare analog and digital instruments .
Compare analog and digital instruments .
Last answer:
Parameter Analog Instrument Digital Instrument 1 Principle The instrument that displays analog signals is called as on analog instrument. The instrument that displays ... , etc. Logical analyzer, signature analyzer, computers, microprocessor based instruments, etc.
analog
digital
instruments
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131
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1
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asked
Aug 21, 2019
by
anonymous
Compare analog CRO with digital storage oscilloscope (DSO).
Compare analog CRO with digital storage oscilloscope (DSO).
Last answer:
Analog CRO DSO 1 High bandwidth Less bandwidth due to aliasing effect 2 High writing speed about 15 GHz Limited speed 3 No memory Has memory ... Less storage time. The digital oscilloscope is capable of an infinite storage time, using its digital memory.
analog
cro
digital
storage
oscilloscope
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60
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1
answer
asked
Aug 21, 2019
by
anonymous
Advantages of digital instruments
Advantages of digital instruments
Last answer:
1. They are having high input impedance, so there is no loading effect 2. They are having higher accuracy 3. An unambiguous reading is obtained 4. The output can be interfaced with external equipment 5. They are available in smaller size .
digital
instruments
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53
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1
answer
asked
Aug 5, 2019
by
anonymous
Write example of each type (i) Primary transducer (ii) Active transducer (iii) Electrical transducer (iv) Digital transducer
Write example of each type (i) Primary transducer (ii) Active transducer (iii) Electrical transducer (iv) Digital transducer
Last answer:
1)primary transducer –Bourdon tube ,Diaphragm, Bellows 2) Active transducer- Thermocouple, Piezoelectric 3) Electrical transducer- Strain gauge, Electromagnetic flow meter, RTD 4) Digital transducer- Rotary encoder , shaft encoder.
primary
transducer
active
electrical
digital
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70
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1
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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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61
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1
answer
asked
Jul 31, 2019
by
anonymous
Describe block diagram of digital comparator and write truth table of 2 bit comparator.
Describe block diagram of digital comparator and write truth table of 2 bit comparator.
Last answer:
Digital comparator is a combinational circuit which compares two numbers, A and B; and evaluates their relative magnitudes. The outcome of the comparison is given by three binary variables which indicate whether A ... Depending on the result of comparison one of these outputs will go high.
block
diagram
digital
comparator
truth
table
2-bit
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67
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1
answer
asked
Jul 31, 2019
by
anonymous
State two advantages of digital system over analog system.
State two advantages of digital system over analog system.
Last answer:
1. They are less susceptible to noise. 2. The effect of fluctuation in the characteristic of the components, ageing of components etc. is very small in digital circuits. 3. Digital circuits have capability of memory which makes them suitable for computers. 4. More accurate.
advantages
digital
system
over
analog
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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
Sep 5, 2018
by
anonymous
Compare analog & digital multimeter.
Compare analog & digital multimeter.
Last answer:
Analog multi-meter DMM Power supply is not required Power supply is required Less suffered from electric noise More suffered from electric Noise Less isolation problems. More ... visual indication Visual indication is not that much better. Less cost More cost
compare
analog
digital
multimeter
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56
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2
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asked
Sep 5, 2018
by
anonymous
State two advantages of digital circuits.
State two advantages of digital circuits.
Last answer:
Advantages of Digital Circuits: i) Digital circuits are easier to design. ii) Information storage is easy. iii) Accuracy and precision are greater. iv) Less affected by noise. v) Reliability is more
advantages
digital
circuits
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56
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1
answer
asked
Sep 5, 2018
by
anonymous
State the applications of digital electronics.
State the applications of digital electronics.
Last answer:
1. The processor, graphics controller are built on principles of digital electronics. 2. In Computers, tablet, displays, LCD/LED TV. 3. mobile/smart phone, , computer ,keyboard, mouse 4. speed/ ... bike/car, various control of the car, 5. ATM machines, credit /debit cards 6. Telephone exchange
applications
digital
electronics
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48
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1
answer
asked
Mar 10, 2018
by
anonymous
Can you convert analog signal to digital?
Can you convert analog signal to digital?
convert
analog
signal
digital
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90
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0
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asked
Aug 25, 2017
by
anonymous
Asymmetric Digital Subscriber Line (ADSL)
Asymmetric Digital Subscriber Line (ADSL)
Last answer:
Asymmetric Digital Subscriber Line (ADSL) DSL stands for Digital Subscriber Line it use for high band width information at home or business place via copper telephone lines. There are different ... data rate at beginning and lowering the data rate at the time of error.
asymmetric
digital
subscriber
line
adsl
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130
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2
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asked
Aug 9, 2017
by
anonymous
Digital to Analog Converter (DAC)
Digital to Analog Converter (DAC)
Last answer:
Digital to Analog Converter (DAC) Digital means binary (1 0) and 1 and 0 may be true and false or on and off or high and low. Analog means continuous signal or information ... wave. Phase Shift Keying (PSK) is transmit digital data by changing the phase of carrier wave.
digital
analog
converter
dac
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97
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1
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asked
Aug 9, 2017
by
anonymous
Digital Multimeter (DMM)
Digital Multimeter (DMM)
Last answer:
Digital Multimeter (DMM) Digital multimeter is the combination of Voltmeter (for measuring voltage) Ammeter (for measuring current) and Ohmmeter (for measuring resistance ... ;in the range of mega ohms.VISIT AT YOUTUBEBUY BOOKS AT EEE STORE
digital
multimeter
dmm
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74
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1
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asked
Mar 10, 2018
by
anonymous
What is the use of power factor correction?
What is the use of power factor correction?
use
power
factor
correction
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74
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0
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asked
Mar 10, 2018
by
anonymous
What is the best power factor?
What is the best power factor?
Last answer:
It is unity power factor but difficult to achieve in dynamic loads
best
power
factor
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76
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1
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asked
Mar 10, 2018
by
anonymous
What is power factor angle?
What is power factor angle?
power
factor
angle
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