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← ScienceWhich outcome occurs when a transmission line's impedance varies periodically along its length?
A)Increased signal reflection losses✓
B)Enhanced signal-to-noise ratio
C)Reduced power dissipation via conduction
D)Improved impedance matching at source
💡 Explanation
Increased signal reflection occurs because periodic impedance variations cause repeated partial reflections: Bragg reflection, which constructively interfere at specific wavelengths. Therefore signal loss increases rather than impedance matching improving because impedance is now an unstable rather than fixed property.
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