Question

Write the commercial unit of energy. If an electric appliance consumes 20 units of electric energy express, it in kWh (kilo – Watt – hour)

Answer 1

Answer:

the commercial unit of energy is kilo-watt-hour

1 one kilo-watt-hour simply means one unit.

in joule 1 kilo-watt-hour means 3.6 * 10^6(10 to the power 6) joule (j). Thus kilo-watt-hour is commonly known as unit.

now 20 units means 20 kilo-watt-hour or 20* 3.6 * 10^6 joule ie. 7•2* 10^5 joule.

Explanation:

explanation is the answer itself.

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