Physics, asked by Ankush971, 1 year ago

an electric referigerator of power 400w is allowed to run 10hrs.per day.what is the cost of energy to operatevit for 30 days at Rs4.00 per kwh???

Answers

Answered by Shalmali040203
0

400 W = 0.4 KW.

Time = 10 hrs/day

No. of days = 30

Rate = ₹4 /kwh

Cost = ?


Energy consumed = kwh

= 0.4 x 10

= 4 units


Total energy consumed in 30 days

= 30 x 4

= 120 units


Cost = ₹ 4 x 120

= ₹480


Therefore the cost is ₹480


HOPE IT HELPS YOU!!



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