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Cables that carry RF signal are not ______

(a) Capacitors equivalents

(b) Inductors equivalents

(c) Simple resistive conductors

(d) Covered

The question was posed to me in a job interview.

The question is from Transmission Line Basics topic in chapter Transmission Lines of Avionics

1 Answer

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Correct choice is (c) Simple resistive conductors

The explanation: Cables used to carry RF energy are not simply resistive conductors but are complex equivalents of inductors, capacitors, and resistors. If simple resistive conductors are used then undesirable effects such as noise, power loss occurs.

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