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← ScienceWhich effect is amplified when a microwave's cavity dimensions resonate?
A)Electromagnetic standing wave amplitude✓
B)Magnetron electron emission rate
C)Klystron frequency shift deviation
D)Waveguide dispersion of the energy
💡 Explanation
The electromagnetic standing wave amplitude increases when the microwave cavity resonates because constructive interference from reflected waves match the cavity dimensions through the cavity resonance mechanism. This amplification focuses energy, therefore efficiently interacting with materials inside, rather than being dispersed.
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