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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 ohm. the power loss in the wire is |
| Answer» 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 ohm. the power loss in the wire is | |