ChatterBank1 min ago
electricity
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what is the unit of electricity and how is it calculated
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For more on marking an answer as the "Best Answer", please visit our FAQ.The SI unit of charge is the coulomb.
1 ampere = 1 coulomb per second
The SI unit of energy is the joule. (=2.78 �10−7 kWh)
1 volt = 1 joule per coulomb
View all SI units of electricity here.
a unit of electricity is an old term for a kilowatt-hour of electrical energy and can be calculated from the formula:-
energy = power x time
If power is in kilowatts and time is in hours then energy will be in kilowatt-hours(kWh) eg
An 3kW electric fire switched on for 2 hours will consume 6kWh (3x2) ie 6 units.