Advanced Qualification · A-002 Advanced components and circuits · A-002-001-005
Quels sont les porteurs de charge majoritaires dans un matériau semiconducteur de type P?
- ALes électrons libres
- BLes protons libres
- CLes neutrons libres
- DLes trous
Correct answer: D — Les trous. Question tirée de la banque officielle d'ISDE.
Why
In P-type semiconductor material, the manufacturing process adds impurities that create a shortage of electrons, leaving behind empty spaces called holes. 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