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Which consequence results when high-voltage transmission lines experience corona discharge?

A)Radio frequency interference increases
B)Insulator surface flashover decreases
C)Conductor tensile strength improves
D)Electromagnetic shielding effectiveness strengthens

💡 Explanation

Corona discharge ionizes the air creating radio waves. This radio frequency interference increases because ionization generates electromagnetic noise in the surrounding environment; therefore, signal quality degrades rather than other changes in material or insulation.

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