Which risk increases when a long, unterminated coaxial cable carrying high-frequency signals acts as a capacitor during transmission?

💡 Explanation

When a long unterminated coaxial cable acts as a capacitor, impedance mismatch causes signal reflections because the wave encounters an open circuit and reflects back, resulting in standing waves. Therefore signal reflections increase, rather than breakdown, reactance limiting, or power losses which require different electrical conditions and frequency ranges.

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