. what is the commercial unit of electrical energy?
Represent it in terms of joules.
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Answer:kilowatt-hour (kWh).
Explanation:The commercial unit of electric energy is kilowatt-hour (kWh). One kilowatt hour is defined as the electric energy consumed by an appliance of power 1000 watt in one hour.
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I joule = 3600kWhr. And 1 calorie = 4.2 joule approximately.
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