Question

Define 1 kWh?How is this unit of energy related to 1 joule?

Answer 1

1 Kwh can be defined as the amount of electrical energy consumed when a 1000 watt electrical appliance is used for an hour.

 The unit of energy is watt. 1 Watt = 1 Joule /second.

One kilowatt hour is 3.6 megajoules

It is the amount of energy converted if work is done at the rate of 1000 watts per hour.

Answer 2

1 Kwh can be defined as the amount of electrical energy consumed when a 1000 watt electrical appliance is used for an hour.