[填空题]
An air conditioner drx5w4 kn7+q2h0ljain wojmzp)3yriv49w bwze p,(9)j aws 12 A at 220-V ac. The connecting cord is copper wire with a diameter of 1.628 mmm p,yw4 bz erj))z(3wp9i vjo9.
(a) How much power does the air conditioner draw? W
(b) If the total length of wire is 15 m, how much power is dissipated in the wiring? $\approx$ W(Round to the nearest integer)
(c) If no. 12 wire, with a diameter of 2.053 mm, was used instead, how much power would be dissipated? $\approx$ W(Round to the nearest integer)
(d) Assuming that the air conditioner is run 12 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. $\approx$ cents per month (Round to the nearest integer)
