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← ScienceWhich risk increases when radio waves near a building's steel frame undergo reflection and refraction?
A)Signal multipath interference and fading✓
B)Increased resistive losses in conductors
C)Resonance instability in tuned circuits
D)Dielectric breakdown in insulation medium
💡 Explanation
Signal multipath interference and fading increases because reflection and refraction cause waves to arrive at slightly offset times; this creates constructive or destructive interference, called Rayleigh fading, rather than a stable signal because of direct transmission.
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