How is KWh different from KW.Find the relation between commercial and SI unit of energy.
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SI unit of energy is Joule Commercial unit of energy is kWh 1 kWh = 1 kW x 1 h = 1000 W x 3600 s 1 watt - second = 1 joule 1 kWh = 3600000 J Acirc;
ruchisr123:
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1 KWh = 1 KW (1 h)
= 1000 W(3600 s)
=3600000 J
1KWh =3×10 power 6 J
= 1000 W(3600 s)
=3600000 J
1KWh =3×10 power 6 J
power means super script
KWh is the commercial unit of electrical energy .
1 KW = 1000 W
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