8) What is commercial unit of electrical energy and how is it related to Joule (1kw x 1000)?
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Commercial unit of electrical energy is unit or Kwh
1 kwh = 1000w * 1h
= 1000 * 60 * 60 s
= 3.6 * 10^6 Joules
1 kwh = 1000w * 1h
= 1000 * 60 * 60 s
= 3.6 * 10^6 Joules
lab1:
1 B.O.T
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The commercial unit of Energy is kilowatt-hour (kWh) .1kWh means a device with power of 1kW operated for 1 hour.
It is related to Joule as follows-:
1kWh=1000W×1hour=1000W×3600sec=1000Joule/sec×3600sec= 3600000J=3.6×10^6J
It is related to Joule as follows-:
1kWh=1000W×1hour=1000W×3600sec=1000Joule/sec×3600sec= 3600000J=3.6×10^6J
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