Question

what is the relation between power and energy? show that 1 kWh=3.6×36 raise power 6 joule
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Answer 1

The commercial unit of electrical energy is a kilowatt-hour (kWh). The energy generated by a kilowatt power source in 1 hour is 1 kWh.

1kWh = 1kW × 1hour

1kWh = 1000 × 60 × 60

1kWh = 3.6 × 106 J

1kWh = 3.6 MJ