Basic Qualification · B-006 Feedlines and antenna systems · B-006-013-011
What is the approximate overall length of a delta loop antenna?
- A One wavelength
- B One quarter of a wavelength
- C Two wavelengths
- D One half of a wavelength
Correct answer: A — One wavelength. From the official ISED question bank, verified word for word.
Why
A delta loop antenna is a full loop of wire shaped like a triangle, and its total wire length must equal one complete wavelength to resonate properly. The full explanation — and one for every question — is in Pro.
Practise this section
Getting the signal out: antennas, feedlines, SWR, baluns, matching, and why antenna length depends on frequency.