Two cities are 150 km apart. Electric power is sent from one city to another city through…
Physics · Class 12 · CBSE — 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 0.5 \(\Omega\) . The power loss in the wires is:
- 19.2 kW
- 19.2 J
- 12.2 kW
- 12.2 J
Answer
(A) 19.2 kW
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