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← ScienceWhich risk increases when a fiber optic cable experiences microbending?
A)Reduced signal propagation distance✓
B)Increased chromatic dispersion effects
C)Elevated bit error rate floor
D)Greater polarization mode dispersion
💡 Explanation
Reduced signal propagation distance occurs because microbending induces radiative losses; the cladding no longer contains the light due to refraction. Therefore, signal strength diminishes rapidly; the other options represent different distortion modes rather than loss resulting from disrupted total internal reflection.
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