Basic Qualification · B-003 Station assembly, practice and safety · B-003-014-011
Quel type de microphone possède des composants internes similaires à un hautparleur?
- AUn microphone à condensateur
- BUn microphone à électret
- CUn microphone dynamique
- DUn microphone à cristal
Correct answer: C — Un microphone dynamique. Question tirée de la banque officielle d'ISDE.
Why
A dynamic microphone works by moving a coil of wire inside a magnet, which is exactly how a loudspeaker operates in reverse. 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