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← ScienceWhich outcome occurs when lightning strikes near transmission lines?
A)Electromagnetic pulse induces voltage surges✓
B)Dielectric breakdown of winding insulation
C)Ferrite core saturation reduces inductance
D)Increased skin effect raises line resistance
💡 Explanation
Lightning causes a rapid change in electromagnetic field. Because electromagnetic induction generates voltage pulses in the transmission lines, the increased voltage can damage equipment; therefore significant power surges transpire, rather than dielectric breakdown from constant voltage.
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