Advanced Qualification · A-002 Advanced components and circuits · A-002-001-003
Quel type de matériau semi-conducteur contient moins d'électrons libres que les cristaux purs de germanium ou de silicium?
- ALe type bipolaire
- BLe type supraconducteur
- CLe type P
- DLe type N
Correct answer: C — Le type P. Question tirée de la banque officielle d'ISDE.
Why
P-type material is created by adding impurities that create "holes," which are spots missing an electron, resulting in fewer free electrons than in pure silicon or germanium. 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