calculate the total cost of running the following electric devices in the month of september if the rate of 1 unit of electricity is Rs 6
(1)electrc heater of 1000 W for 5hrs daily
(2) electric refrigerator of 400 W for 10 hrs daily.
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the total cost of running heater=6×1000×5=30000Kw
total cost of running a electric refrigerator=400×10×6=24000Kw
total electric bill= 24000+30000=54000Kwh
total cost of running a electric refrigerator=400×10×6=24000Kw
total electric bill= 24000+30000=54000Kwh
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