Two cities are 150 km apart. Electric power is sent from one city to another city...
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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 . The power loss in the wires is : (a) 19.2 W (c) 19.2 J (b) 19.2 kW (d) 12.2 kW 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 . The power loss in the wires is : (a) 19.2 W (c) 19.2 J (b) 19.2 kW (d) 12.2 kW
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