Basic Qualification · B-003 Station assembly, practice and safety · B-003-016-005
Why is the NiMH battery often preferred over a conventional alkaline battery?
- AIt contains a liquid electrolyte
- BIt can be repeatedly recharged
- CIt provides a higher voltage
- DIt can be discarded without precautions
Correct answer: B — It can be repeatedly recharged. From the official ISED question bank, verified word for word.
Why
Nickel-metal hydride batteries are preferred because they can be repeatedly recharged, allowing you to use the same power source many times instead of buying new ones for every use. 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