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← ScienceWhich outcome regarding impedance occurs as frequency decreases in a non-ideal transmission cable?
A)Signal reflections are significantly amplified
B)Cable capacitance effects become dominant✓
C)Characteristic impedance moves towards Zo
D)Wave velocity decreases asymptotically towards zero
💡 Explanation
As frequency decreases in a non-ideal transmission cable, cable capacitance effects become dominant because capacitive reactance increases reducing effective impedance; therefore, the voltage phase shift increases, rather than signal reflections which are amplified by mismatched terminations.
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