a refrigerator rated 400 watt operates for 8 hours per day. find the total number of commercial units for 30 days
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The total noumber of commercial units for 30 days is 55800 watt
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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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