Physics, asked by Kanishque620, 1 year ago

An electric refrigerator of 400watt opreates for 8 hours a day what is the cost of energy to operate it for 30 days at the rate of 3 rupees per kilo watt hour

Answers

Answered by realsujaykumar
2
1 day energy consumption = 8×400
= 3200 = 3.2 kilowatt-hour
30 days energy consumption = 3.2×30
= 96.0 kilowatt-hour
hence,
total cost for 30 days = 96×3 = Rs 288

I hope this will help you.....
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