1.

An electric bulb of 100 watt works for 4 hrs a day calculate the unit of energyconsumed in 15 days

Answer»

Power rating of the bulb: 100 WDuration used each day: 4 hrNumber of days: 15

Total energy consumed by the electric bulb: = power * duration = 100 W * 4 hrs/day * 15 days = 6000 W-hrs = 6 kWh

So energy consumed is 6 units.



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