Science, asked by NearshKumar, 1 year ago

a refrigerator rated 400 watt operates for 8 hours per day. find the total number of commercial units for 30 days

Answers

Answered by shardasakaria
3
The total noumber of commercial units for 30 days is 55800 watt
Answered by Normal0Student
2

Given,

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

Total time for which the refrigerator operated = t = 8 hours x 30 days = 240 h

Since, Energy consumed = P x t E = 0.4 x 240 kWh = 96 kWh

1 kwh = 1 unit

∴ Total no. of commercial units = 96 units

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