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Question
Define 1 kilowatt hour.
Solution
Kilowatt hour
1 Kilowatt hour is the energy consumed when 1 kilowatt of power is used for 1 hour
1 kwh = `1000 "watt" xx 36000 "second"`
= `3.6 xx 10^6` watt second
= `3.6 xx 10^6` Joule (J)
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