What is a digital power meter?

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asked Mar 10, 2018 by anonymous

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asked Aug 21, 2019 by anonymous

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.

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asked Sep 5, 2018 by anonymous

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.

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What is an RF Power Meter?

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asked Mar 10, 2018 by anonymous

What is 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

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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°.

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163 views 1 answer

asked Sep 6, 2018 by anonymous

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.

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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°.

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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.

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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.

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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.

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.

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What does an electric meter measure?

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How do you read a KWH Meter?

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What are the advantages of a digital signal?

Last answer: It has only two variable input and output (low or high) (0 or 5).

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asked May 4, 2018 by anonymous

What is digital storage oscilloscope (DSO)?

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What is the use of digital signal processing?

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What is the difference between analog and digital electronics?

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What is digital and analog electronics?

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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.

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What are digital signals used for?

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asked Aug 18, 2017 by anonymous

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

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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.

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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.

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What is a power quality analyzer?

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Why digital signal processing is important?

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What can you do to prevent a power surge?

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asked Mar 10, 2018 by anonymous

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

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asked Sep 6, 2018 by anonymous

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

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asked Mar 10, 2018 by anonymous

What type of meter is used to measure current?

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what is mean by nano meter technology ?

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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.

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asked Aug 21, 2019 by anonymous

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.

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asked Aug 21, 2019 by anonymous

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.

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asked Aug 21, 2019 by anonymous

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 .

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asked Aug 5, 2019 by anonymous

Write example of each type (i) Primary transducer (ii) Active transducer (iii) Electrical transducer (iv) Digital transducer

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asked Aug 1, 2019 by anonymous

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

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asked Jul 31, 2019 by anonymous

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.

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asked Jul 31, 2019 by anonymous

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.

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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

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asked Sep 5, 2018 by anonymous

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

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asked Sep 5, 2018 by anonymous

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

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asked Sep 5, 2018 by anonymous

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

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asked Mar 10, 2018 by anonymous

Can you convert analog signal to digital?

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asked Aug 25, 2017 by anonymous

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.

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asked Aug 9, 2017 by anonymous

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.

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asked Aug 9, 2017 by anonymous

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

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asked Mar 10, 2018 by anonymous

What is the use of power factor correction?

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asked Mar 10, 2018 by anonymous

What is the best power factor?

Last answer: It is unity power factor but difficult to achieve in dynamic loads

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asked Mar 10, 2018 by anonymous

What is power factor angle?

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What is a digital power meter?

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