Answer to Question #239637 in Electricity and Magnetism for Arvin Shopon

Question

In Finland, steel-reinforced aluminum conductors with a total cross-sectional area of ​​3.4 cm ² are used in 110 kV power transmission lines. In this case, the power losses are less than 2%. How large should the cross-sectional area of ​​the conductor be in order for the 400 V transmission voltage to achieve as small power losses as for the 110 kV voltage when the transmitted power is the same?

Answer 1

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