Advanced Qualification · A-002 Advanced components and circuits · A-002-001-010
Substances such as silicon in a pure state are usually good:
- Atuned circuits
- Binductors
- Cinsulators
- Dconductors
Correct answer: C — insulators. From the official ISED question bank, verified word for word.
Why
Pure silicon has very few free electrons to carry electric current, so it blocks electricity much like glass or rubber does, making it an insulator in its natural state. The full explanation — and one for every question — is in Pro.
Practise this section
Advanced components and circuits is section A-002 of the Advanced exam: Advanced components and circuits: semiconductors, amplifier classes, oscillators, mixers, filters and digital logic.
Drill A-002 — free, no account