Basic Qualification · B-003 Station assembly, practice and safety · B-003-001-007
In an HF station, which component is designed to dissipate RF energy and prevent radiation?
- A Heat sink
- B Dummy load
- C Lightning surge protector
- D Low-pass filter
Correct answer: B — Dummy load. From the official ISED question bank, verified word for word.
Why
A dummy load is a special resistor that absorbs radio frequency energy from your transmitter and turns it into harmless heat, allowing you to test your station without sending any signals into the air. The full explanation — and one for every question — is in Pro.
Practise this section
Building a station safely: power supplies, grounding, RF exposure, lightning, feedline routing, and what a transmitter, receiver and transceiver actually do.