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← ScienceWhich outcome occurs when high-voltage AC transmission line capacitance increases significantly?
A)Ferranti effect voltage surges✓
B)Corona discharge reduces sharply
C)Transmission line impedance decreases
D)Reactive power demand decreases
💡 Explanation
Increased capacitance causes a larger charging current, leading to the Ferranti effect, because cable capacitance charges, elevating the voltage at the receiving end; therefore, transmission line voltages will surge rather than remaining stable under load.
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