how is Kilo watt hour is related to Joule
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5
Explanation:
Energy in joules divided by time in seconds is power in watts. A kilowatt is 1000 Watts. A kWh is kilowatt multiplied by one hour or 3600 seconds. Therefore a kWh is 3.6 million joules.
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1 kWh = 1000W × 1h
1 kWH = 1000J/S × (60 × 60) sec
1 kWh = 3600000
1 kWh = 3.6 × 10^6 J
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