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Power is simply the rate of doing work or of heat transfer. Accordingly, there is no such thing as 'electrical' or any other sort of power. Power is simply a rate, and its unit of measurement is the watt (symbol: W).

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12y ago

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What is the practical unit of power in engineering?

The SI unit for power is the Watt, the most commonly derived unit is for electrical power definition, which is the Kilowatt.


What of these is a unit of power and which is a unit of electrical energy?

Please don't write "these", implying a list, which you don't provide.The SI unit of power is the watt = joules/second. The SI unit of energy is the joule.


What unit is used to express electrical power?

Electrical power is also measured in Watts.


The SI unit of electrical mechanical and thermal energy?

The SI unit of electrical energy is the joule (J), the SI unit of mechanical energy is also the joule (J), and the SI unit of thermal energy is the joule (J).


What si units measures electrical energy?

In SI, the same unit is used for any type of energy: the joule.


What is the SI unit and symbol for power?

The SI unit for power is the watt, symbolized as W.


How was the SI unit of power derived?

The SI unit of power is the watt, defined as joules/second. Joule is the unit for energy.


An ampere is the SI unit of which of the following?

An ampere is the unit of (electrical) current.


What is electric and is the rate at which electrical energy does work?

Power; its SI unit is watt. Please note that this is notspecifically an electrical unit; "power", and the unit "watt", is the rate of energy conversion, and can be used anywhere where energy is converted - whether "work" is involved, or some other (non-mechanical) energy.


What is the SL unit of power?

I don't know about SL. If you mean SI, the unit of power is the watt (equal to joules/second).


What SI unit is used to express power?

the answer for the si unit of power is the watt or w


The rate at which energy is transfered is called?

That is called "power". The SI unit of energy is the joule, the SI unit for power is the watt, which is equal to joules/second.That is called "power". The SI unit of energy is the joule, the SI unit for power is the watt, which is equal to joules/second.That is called "power". The SI unit of energy is the joule, the SI unit for power is the watt, which is equal to joules/second.That is called "power". The SI unit of energy is the joule, the SI unit for power is the watt, which is equal to joules/second.