Basic Qualification · B-003 Station assembly, practice and safety · B-003-016-001
What approximate voltage does a standard automobile starter battery usually supply?
- A16 volts
- B28 volts
- C9 volts
- D12 volts
Correct answer: D — 12 volts. From the official ISED question bank, verified word for word.
Why
A standard automobile starter battery supplies about 12 volts because it contains six internal cells, each producing roughly 2 volts when fully charged. 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