Question

A house has 3 tube lights of 20watts each on the average, all the tube lights are kept on for five hours. Find the energy consumed in 30 days

Answer 1

Answer:

Explanation:

Power of one tube light=20 W

Power of 3      tube light=60 W

                                 Time= 5 hours

Energy consumed in one day= 60*5

                                                =300 Whr

enery consumed in 30 days = 300*30=9000 Whr=9 kWhr