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← ScienceWhich effect results when a microwave cavity's bandwidth narrows?
A)Reduced energy coupling efficiency✓
B)Increased harmonic power generation
C)Enhanced radiation polarization purity
D)Higher waveguide transmission impedance
💡 Explanation
Reduced bandwidth increases the cavity's Q factor, and lower coupling efficiency results from higher Q values because the reflected energy increases; therefore, energy transfer diminishes, rather than increasing harmonics or waveguide impedance changes, arising under different detuning.
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