Question

what is power voltage rating of an electrical appliance? calculate the current used and resistance of an appliance whose power voltage rating is 500W , 220V ?

Answer 1

the power voltage rating of an appliance is a measure of the power used by the appliance per unit voltage.

current used =power rating/voltage rating=500/220 amps

resistance=voltage rating ^2/power rating
=220×220/500
=484/5 ohm

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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