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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?

  1. ALes électrons libres
  2. BLes protons libres
  3. CLes neutrons libres
  4. 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.

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