Question

A family uses 5 CFL8 of 10 W each for 10
hours every day, 5 fans of 100 W each for
15 hours every day, an air conditioner of
2 kW for 10 hours every day, a washing
machine of 1 kW for 3 hours every
week. Calculate the amount of electrical
energy in kWh consumed by the family
in a year.

Answer 1

Answer:

190J

Explanation:

1st of cfls= 10÷1000×10×5=5÷10=0.5

2nd of fans=100÷1000×15×5=15÷2=7.5

3rd of ac..=2×10=20

4th of washing machine =1×3=3

::::0.5+7.5+20+3 = 13

::::for 1 month = 13×30=390J

now..u can calculate for 1 year your self