Question

How many unit of energy will be consume by a 100 W refrigerator in 30 days , if it works for 16 hrs. Every day.

Answer 1

total hours =16×30=480 h
so power in unit =power in kw × hours
so power =0.1×480=48 units

Answer 2

using formula E=p×t =100×16=1600wh=1.6kwh
energy consumed for 30 days =1.6×30=48kwh
thanx for the question