Physics, asked by teriya2402, 1 year ago

An electric refrigerator rated 400w operates 8 hrs/day . what is the cost of the energy to operate it 30 days at Rs 3 per kwh

Answers

Answered by bk817651
1
the total amount is 5,52,000
Answered by heermehta4657
4

power = 400W

           = 400/1000

           = 0.4KWH                    (coverting w into kwh)

time = 30x 8h

        = 240

P x t = 0.4 x 240

       = 96 kwh

cost = 96 x 3

        = RS.288

Similar questions