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← ScienceWhich outcome results when a high-Q resonant cavity used in microwave amplification exceeds its power-handling limit?
A)Plasma formation inside the cavity✓
B)Increased coupling to external loads
C)Frequency shift decreases signal gain
D)Reduced quality factor cavity resonance
💡 Explanation
Plasma formation occurs within the resonant cavity because extreme electric fields cause dielectric breakdown of the air. This ionization creates plasma therefore disrupting the microwave signal, rather than affecting load coupling or shifting frequency under normal conditions.
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