Question

powerstar 400 what is allowed to run 10 horse by day what is the cost of energy to operate in 30days at Rs 4 .0. for kwh?

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Answer 1

HEY MATE HERE IS YOUR ANSWER:-

Power = P = 400W = 400/1000 kW = 0.4 kW

Total time for which the refrigerator operated = t = 10hours x 30 days = 300 h

Since, Energy consumed = P x t E = 0.4 x 300 kWh = 120 kWh

Therefore, total cost required to operate the refrigerator for the month = 120 x 4.0 = 480 INR.