Advanced Qualification · A-002 Advanced components and circuits · A-002-001-006
Quels sont les porteurs de charge majoritaires dans un matériau semiconducteur de type N?
- ALes électrons libres
- BLes trous
- CLes protons libres
- DLes neutrons libres
Correct answer: A — Les électrons libres. Question tirée de la banque officielle d'ISDE.
Why
In N-type semiconductor material, extra atoms are added to create many loose, free electrons that carry the electric current. 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