Name the commercial unit of electrical Energy. How it is related to its SI unit?
Kilowatt hour, 1kWh = 3.6 × 105 joule
Kilowatt, 1kW = 36 × 105 joule
Kilowatt hour, 1kWh = 3.6 × 106 joule
Kilowatt second, 1kWs = 36 × 105 kjoule
Commercial unit of electrical energy is kilowatt hour.
1kWh = 3.6 × 106 joule
Number of joules in 1 kWh is
1 Kwh = 36 × ___ joules.
Why don't we use Joule as commercial unit? How many Joule will make up 1kWh.