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Answer to Question #125848 in Electric Circuits for Vanessa Uzuegbunam

Question #125848
An electric kettle (650w), refrigerator (1.5w),a television (79w)and 10 lamps(40w) each and electric iron(100w) are connected in series in a house. How much will cost the housekeeper to switch on all the appliances for 24 hours if the cost of electricity from PHCN is 18 kobo per kwh?
1
Expert's answer
2020-07-10T10:23:58-0400

Total power


"P=650+1.5+79+10\\cdot40+100=1230.5W=1.2305kW"


Cost"=1.2305\\cdot24\\cdot18=531.58kobo"





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