Advanced Qualification · A-002 Advanced components and circuits · A-002-011-010
Les oscillateurs, filtres et microphones à cristal fonctionnent sur le principe :
- Ade l'effet piézo-électrique
- Bde l'effet Hertzberg
- Cde la ferrorésonance
- Ddu mode partiel ("overtone")
Correct answer: A — de l'effet piézo-électrique. Question tirée de la banque officielle d'ISDE.
Why
The piezoelectric effect happens when certain crystals, like quartz, change shape when you apply electricity, or create electricity when squeezed. 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