Author Question: A power line with a resistance of 2 ohms draws a current of 80 A. The power dissipated in the line ... (Read 106 times)

Sportsfan2111 · **on:** Jul 29, 2018

A power line with a resistance of 2 ohms draws a current of 80 A. The power dissipated in the line is

A) 40 W.
B) 160 W.
C) 320 W.
D) 12,800 W.
E) none of the above

Question 2

For electric power that costs 10 cents per kilowatt hour, the cost of operating a 110-V heater that uses 20 A for 10 hours is

A) 0.22.
B) 0.55.
C) 2.20.
D) 5.50.
E) none of the above