Basic Qualification · B-003 Station assembly, practice and safety · B-003-017-008
Quelles sont les tensions nominales fournies aux résidences?
- A110 volts et 220 volts
- B100 volts et 200 volts
- C130 volts et 260 volts
- D120 volts et 240 volts
Correct answer: D — 120 volts et 240 volts. Question tirée de la banque officielle d'ISDE.
Why
Canadian homes receive electricity at two standard levels: 120 volts for most outlets and 240 volts for heavy appliances like dryers or electric stoves. 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