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← ScienceWhich outcome occurs when a submarine's submerged communication antenna exceeds its rated bandwidth?
A)Increased electromagnetic field interference✓
B)Reduced cavitation from transducer surfaces
C)Amplified acoustic wave resonance distortion
D)Decreased salinity gradient effectiveness underwater
💡 Explanation
Exceeding bandwidth causes electromagnetic field interference because impedance mismatches increase drastically, leading to excessive signal reflections. Therefore, the effectiveness for underwater communication reduces via interference, rather than benefiting acoustic properties or salinity, because the antenna is designed for electromagnetic wave propagation.
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