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← ScienceWhich consequence arises when microwave signals experience multipath propagation?
A)Signal strength experiences constructive interference✓
B)Subharmonic distortion increases measurably
C)Antenna impedance approaches zero uniformly
D)Wave velocity shifts towards lower rates
💡 Explanation
In multipath propagation, signals reflecting off surfaces arrive out of phase; constructive interference occurs because the superposition principle dictates fields sum, therefore boosting signal at specific locations, rather than creating any velocity change
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