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← ScienceWhich transmission constraint increases when a signal's wavelength shortens inside coaxial cable?
A)Increased dielectric losses✓
B)Reduced skin effect losses
C)Lower characteristic impedance
D)Decreased structural return loss
💡 Explanation
Dielectric losses increase with frequency; shorter wavelength relates to higher frequency through wave propagation. This increases absorption, because dielectric polarization becomes significant. Therefore dielectric losses dominate, rather than skin effect alternatives or impedance changes.
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