Basic Qualification · B-005 Basic electronics and theory · B-005-007-005
Comment appelle-t-on la distance parcourue par le courant alternatif pendant un cycle complet?
- ALa longueur d'onde
- BLa vitesse de l'onde
- CLa forme de l'onde
- DL'étendue de l'onde
Correct answer: A — La longueur d'onde. Question tirée de la banque officielle d'ISDE.
Why
Wavelength is the correct term because it measures the physical distance a radio wave travels from the start of one cycle to the start of the next, much like measuring the length of a single ripple in water. The full explanation — and one for every question — is in Pro.
Practise this section
Basic electronics and theory is section B-005 of the Basic exam: The theory: Ohm's law, power, series and parallel circuits, AC and DC, frequency and wavelength, decibels, and the metric prefixes the exam leans on.
Drill B-005 — free, no account