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Solved: An air conditioner draws 18 A at 220-V ac. The
Chapter 16, Problem 76GP(choose chapter or problem)
Problem 76GP
An air conditioner draws 18 A at 220-V ac. The connecting cord is copper wire with a diameter of 1.628 mm. (a) How much power does the air conditioner draw? (b) If the length of the cord (containing two wires) is 3.5 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 in the wiring? (cf) 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.
Questions & Answers
QUESTION:
Problem 76GP
An air conditioner draws 18 A at 220-V ac. The connecting cord is copper wire with a diameter of 1.628 mm. (a) How much power does the air conditioner draw? (b) If the length of the cord (containing two wires) is 3.5 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 in the wiring? (cf) 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.
ANSWER:
Step-by-step solution
Step 1 of 5
The expression which relates power, current and voltage is: P=I*V.
/ - current
V - voltage.