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Which unit is used to measure electrical...

Which unit is used to measure electrical energy ? (or) Define kilo watt hour.

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Electrical energy is measured in the unit called kilowatt hour (kWh).
1 electrical unit `= 1kWh = 1xx(10^(3)W)xx(3600 s)`
1 electrical unit `= 3600xx10^(3)Ws`
1 electrical unit `= 3.6xx10^(6)J`
1 k Wh `= 3.6xx10^(6)J`
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