derive relation between commercial unit of energy and unit of work
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Kilowatt - hour is the commercial unit of electrical energy. ... One kilowatt hour of electric energy is called one 'unit'. SI unit of energy is joule(J) and commercial unit of energy is kWh(kilowatt-hour). Therefore, 1 kWh = 3.6 x 10^6 J.
The relation between commercial unit of energy (kWh) and SI unit of energy (joule) is-
1kWh = 1000 W × 1h.
1 watt = 1 joule/1 sec
= 1000 × 60 × 60
= 3.6 × 106J
Explanation:
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KWH for commercial unit
Unit of work is W (watt)
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