A 100W bulb is lighted for 3hrs daily. Find the units of energy (kwh) consumed in 30 days.
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P=100 W = 0.1 kW
Time = 3 hrs * 30 days
= 90 hrs
Energy = Power * time
= 0.1*90 kwh
= 9 kwh
= 9 units
Time = 3 hrs * 30 days
= 90 hrs
Energy = Power * time
= 0.1*90 kwh
= 9 kwh
= 9 units
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