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← ScienceWhich mechanism causes radio interference to increase as cable termination impedance drops?
A)Increased standing wave formation✓
B)Reduced signal propagation velocity
C)Enhanced capacitive filter resonance
D)Decreased characteristic impedance matching
💡 Explanation
Increased standing wave formation increases emitted electromagnetic radiation because impedance mismatch reflects signal power back along a transmission line, setting up standing waves; therefore interference worsens, rather than the signal being effectively transmitted through impedance matching.
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