Question

A 250 watt electric bulb is lighted for 5 hrs daily and four 6 watt bulbs are lighted for 4.5 hrs daily. Calculate the energy consumed( in kwh) in the month of February

Answer 1

E=Pt

250×5+6×4.5=1250+27=1277wh

1277×28=35756wh or 35.756kwh