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← TechnologyWhich outcome occurs when multipath propagation severely distorts a received radio signal?
A)Increased bit error rate✓
B)Improved signal-to-noise ratio
C)Enhanced frequency selectivity
D)Reduced channel interference
💡 Explanation
Multipath propagation causes signal fading and inter-symbol interference due to varied arrival times; the **Doppler Effect** creates phase shifts because copies of the signal destructively combine. Therefore, bit error rate rises, rather than signal quality improves, due to data overlaps.
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