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Which outcome occurs when a dielectric material with high permittivity fills the interspace between conductors in the gigahertz electromagnetic resonator?

A)Resonant frequency shifts to lower
B)Coupling factor remains unchanged
C)Quality factor increases sharply
D)Waveguide's TE mode strengthens

💡 Explanation

The resonant frequency shifts lower because higher permittivity increases capacitance via increased polarization; therefore, the resonance frequency decreases, rather than maintaining the initial factor or increasing the propagating waveguides’ mode.

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