Question
Define the term watt, and kilo-watt hour.

Answer

Watt Power is said to be one watt if it can work at the rate of 1 joule per second 1 watt = 1 joule/ sec.
Kilowatt hour = 1 kWh is work done in 1 hour at a constant rate of 1 kilowatt. (kWh) 1 kWh = 3.6 × 106 J.

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