A television (65Watt), a refrigerator (1.2kw), an electric kettle (650W) and 10 lamps(40W each) are connected in series in a house. How much will it cost the housekeeper to switch on all the appliances for 24hours if the cost of electricity is ₦5.25 per kWh?
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Asked by GodGiveth on 21st September, 2020
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