Basic Qualification · B-003 Station assembly, practice and safety · B-003-021-006
Comment l'exposition à une forte énergie RF peut-elle affecter les tissus du corps humain?
- AElle paralyse les tissus
- BElle restreint la circulation sanguine
- CElle chauffe les tissus
- DElle réduit la pression artérielle
Correct answer: C — Elle chauffe les tissus. Question tirée de la banque officielle d'ISDE.
Why
Radio frequency energy acts like a microwave oven by making water molecules in your body vibrate, which creates warmth. The full explanation — and one for every question — is in Pro.
Practise this section
Station assembly, practice and safety is section B-003 of the Basic exam: Building a station safely: power supplies, grounding, RF exposure, lightning, feedline routing, and what a transmitter, receiver and transceiver actually do.
Drill B-003 — free, no account