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An air conditioner draws 17 A at 220-V ac. The connecting cord is copper wire with...

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Physics

An air conditioner draws 17 A at 220-V ac. The connecting cordis copper wire with a diameter of 1.291 mm .

a.) How much power does the air conditioner draw?

b.) If the length of the cord (containing two wires) is 6.5 m ,how much power is dissipated in the wiring?

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

d.) Assuming that the air conditioner is run 13 h per day, howmuch money per month (30 days) would be saved by using no. 12 wire?Assume that the cost of electricity is 12 cents per kWh.

Answer & Explanation Solved by verified expert
3.6 Ratings (496 Votes)
Part A How much power does the air conditioner draw a 17 x 220 3740 watts rounded to 3700 W Part B If the length of the cord containing two wires is 35 m how much power is dissipated in the wiring Resistance of a wire in R LA is resistivity of the material in m L is length in meters A is    See Answer
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