Which risk rises in high-frequency transmission lines due to reactive impedance?

💡 Explanation

Signal reflection increases at discontinuities because mismatched impedance provokes reflection, according to Fresnel equations. High-frequency lines have reactive impedances arising from inductance and capacitance, therefore reflection happens because of poor impedance matching, rather than breakdown issues.

• Which risk increases when pulsed electromagnetic waves enter a resonant cavity?
• Which outcome occurs when impurities raise grain boundary resistance within polycrystalline silicon solar cells?
• Which outcome reduces the pressure differential in a Carnot heat engine?
• Which outcome can occur with inaccurate Bernoulli equation use?
• Which consequence occurs when rapid depressurization exceeds a liquid's vaporization rate?
• Which phenomenon limits signal propagation in coaxial cables?