Define commercial unit of energy derive relation between the unit of energy and s i unit of energy and electrical device of 500 what is used daily in a household for 10 hours calculate the energy consuming month of April
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Commercial unit of energy: Kilowatt hour (kWh)
1kWh= 1000W×1h
=1000(J/s) ×3600s
= 3600000J
= 3.6 MJ
Energy= power× time
= 0.5kW× 10
= 5kWh = 5 units
for April= 5×30= 150rs
1kWh= 1000W×1h
=1000(J/s) ×3600s
= 3600000J
= 3.6 MJ
Energy= power× time
= 0.5kW× 10
= 5kWh = 5 units
for April= 5×30= 150rs
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