Basic Qualification · B-003 Station assembly, practice and safety · B-003-017-002
Quel appareil convertit le 120 volts CA en 12 volts CC?
- AUn bloc d'alimentation
- BUn filtre passe-bas
- CUn onduleur
- DUn conditionneur de secteur CA ("power conditioner")
Correct answer: A — Un bloc d'alimentation. Question tirée de la banque officielle d'ISDE.
Why
A power supply is the device that changes the 120 volts AC from your wall outlet into the 12 volts DC needed to run most amateur radio gear. 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