How much power is dissipated in the wiring

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An air conditioner draws 15 A at 220-V ac. The connecting cord is copper wire with a diameter of 1.446 mm.

A) How much power does the air conditioner draw?

B) If the total length of wire is 20 m , how much power is dissipated in the wiring?

C) If no. 12 wire, with a diameter of 2.053 mm, was used instead, how much power would be dissipated?

D) Assuming that the air conditioner is run 18 h per day, how much money per month (30 days) would be saved by using no. 12 wire? Assume that the cost of electricity is 12 cents per kWh.

Reference no: EM13496508

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