cal. the unit of energy consumed by 100w of electric bulb in 5 hours. ?
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Power of electric bulb = 100W
= 0.1kWTime used,
t = 5 hEnergy = power x time taken
= 0.1 kW x 5 h = 0.5 kWh =
0.5 unitsThus, the energy consumed by the bulb is 0.5 units
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