A transmission line must be supported for several metres by attaching it to a metal fence. What type of transmission line will NOT be adversely affected by proximity to the fence?

Why

Coaxial cable works best here because its outer metal shield acts like a protective cage, keeping the radio signal inside and stopping it from interacting with nearby metal objects like a fence. The full explanation — and one for every question — is in Pro.

Practise this section

Feedlines and antenna systems is section B-006 of the Basic exam: Getting the signal out: antennas, feedlines, SWR, baluns, matching, and why antenna length depends on frequency.

Cette question en français · All B-006 questions