Question

how to calculate the power rating of electric applinces

Answer 1

here is your answer..

The standard unit of energy is the joule or calorie, but generallyenergy used in the home is measured in kWh, also known as "units". To work out the number of kwh, you divide the power in watts by 1000 to convert to kilowatt (kW) and then multiply by time in hours to give kWh.

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Answer 2

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It measures the work done n

per unit charger.

It is defined as the difference in

electric potential between two points in an electric field,equal to the work

done per unit quantity of charge in moving it from one point to another

in an electrostatic field