Basic Qualification · B-003 Station assembly, practice and safety · B-003-018-005
Quel est le courant électrique minimal qui peut être mortel pour le corps humain?
- A1 ampère
- B2 ampères
- C20 milliampères
- D500 milliampères
Correct answer: C — 20 milliampères. Question tirée de la banque officielle d'ISDE.
Why
As little as 20 milliamperes of electrical current can cause muscle paralysis or stop your heart, making it a potentially fatal level for the human body. 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