Question

Calculate the unit of energy consumed by 100 watt electric bulb in 5 hours.

thank you​

Answer 1

Answer:

Power of electric bulb = 100 W = 100/1000 = 0.1 kW

Solution:

We know that,

Power = Energy consumed / Time taken

Energy consumed = Power x Time taken

Energy consumed = 0.1 x 5

Energy consumed = 0.5 k W hr