Advanced Qualification · A-002 Advanced components and circuits · A-002-001-008
Un élément qui est tantôt un isolant et, tantôt, un conducteur s'appelle :
- Aun conducteur de type N
- Bun conducteur de type P
- Cun semi-conducteur
- Dun conducteur intrinsèque
Correct answer: C — un semi-conducteur. Question tirée de la banque officielle d'ISDE.
Why
A semiconductor is a material like silicon that acts as an insulator under some conditions but allows electricity to flow like a conductor under others, depending on factors such as temperature or added impurities. 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