Question

Kilowatt-hour is the unit of __________.
i) potential difference
ii) electric power
iii) electric energy
iv) charge

Answer 1

Kilowatt hour is the unit of energy which is equal to 3.6 megajoules.

The statement explains that if energy is transferred or used at a constant rate over a certain time period, the total energy in terms of Kilowatt hours is equal to the power expressed in Kilowatts multiplied by the total time in hours.

The Kilowatt hour of power consumption differs from residential to commercial and industrial buildings.