Asked by Hannah
Suppose your power company charges $1.00 per kWh as its power rate. (a) What is the
power in kW for an air conditioner that pulls 5 A on your standard 115 V household circuit?
(b) How much does it cost you to run your air conditioner for 12 hours?
power in kW for an air conditioner that pulls 5 A on your standard 115 V household circuit?
(b) How much does it cost you to run your air conditioner for 12 hours?
Answers
Answered by
drwls
One dollar per kwh is much more than power companies charge.
(a) Assuming a power factor of 1, the power consumption is 575 watts = 0.575 kW.
(b) Multiply that kW number from (a) by the cost per kWh.
(a) Assuming a power factor of 1, the power consumption is 575 watts = 0.575 kW.
(b) Multiply that kW number from (a) by the cost per kWh.
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