Advanced Qualification · A-007 Feedlines and matching · A-007-004-004
Dans un dipôle demi-onde, la distribution ____________ est la plus faible au centre.
- Ade la capacité
- Bde l'inductance
- Cdu courant
- Dde la tension
Correct answer: D — de la tension. Question tirée de la banque officielle d'ISDE.
Why
In a half-wave dipole, the electrical pressure called voltage is lowest at the exact centre where the antenna is fed, while the flow of electrons known as current is highest there. The full explanation — and one for every question — is in Pro.
Practise this section
Feedlines and matching is section A-007 of the Advanced exam: Feedlines and matching at the advanced level: transmission line theory, impedance transformation, stubs and matching networks.
Drill A-007 — free, no account