Task id16540
Seller: nerdmavr
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Product description
It is required to transmit electrical energy over a distance l = 10 km using copper wires so that the energy loss in the wires does not exceed 10%. Power plant power N = 100 kW. Voltage at the power station U1 = 220 V. Find the mass of copper required for the wires. How much copper will be required at voltage U2 = 440 V? The resistivity of copper is p = 0.017 μOhm m, its density is y = 8.9 103 kg/m3.
Additional information
Detailed solution. Format gif