Question
Physics Question on Current electricity
Two cities are 150 km apart. Electric power is sent from one city to another city through copper wires. The fall of potential per km is 8 volt and the average resistance per km is 0.5Ω. The power loss in the wire is:
A
19.2kW
B
19.2J
C
12.2kW
D
19.2W
Answer
19.2kW
Explanation
Solution
The correct option (A): 19.2kW