Question

define kilowatt? How is it related to Joule?​

Answer 1

Answer:

One Kilowatt (kWh) is a derived unit which is equal to 1000 watts and is the unit of power. It is equal to 3.6 million joules.

Relation between Joules and Kilowatt:

1 kWh = (1000 watts) * (3600 seconds)

= 36 * 10⁵ J

= 3.6 * 10⁶ J

Hope this helps.

Answer 2

Answer:

Kilowatt-hour is a unit of energy. One kilowatt-hour is defined as the energy dissipated in the rate of 1 kW in a time of 1h.

Watt is a unit of power. One Watt is equal to the energy transfer rate of 1 J/s.