Calculation of monthly electricity bill for any appliance used at your home
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660
Explanation:
eg 10 bulbs tht glow for 10 hours per day for 30 days
energy=power×time
=220×10=2200 waat hour
for 10 bulbs it will be 22000wat hour
for 30 days it will be 660000watt hour
=660000/1000=660kwh
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