Basic Qualification · B-003 Station assembly, practice and safety · B-003-016-007
Pour une station portable, quel est le principal avantage des batteries au lithium par rapport aux batteries au plomb?
- AUne capacité par kilogramme élevée
- BDes moyens de recharge simples
- CUne tension inférieure des cellules individuelles
- DUne haute tolérance à la surcharge
Correct answer: A — Une capacité par kilogramme élevée. Question tirée de la banque officielle d'ISDE.
Why
Lithium-based batteries store much more energy for their weight compared to lead-acid batteries, making them ideal for portable operations where carrying heavy gear is difficult. 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