Question

Name the quantity whose unit is :

(a) kilowatt

(b) kilowatt-hour

Answer 1

a)Kilowatt is the physical quantity of Power.

Power is defined as the rate of doing work or the total time taken to perform a work. This is the SI unit of measuring power.

b)Kilowatt hour on other hand is the SI unit of energy.

This unit is mainly used in commercial energy consumption.