Advanced Qualification · A-002 Advanced components and circuits · A-002-005-002
Quels sont les deux états caractéristiques du redresseur commandé au silicium ("SCR")?
- AL'oscillation et le repos
- BLa conductivité et la non-conductivité
- CLa conductivité directe et la conductivité inverse
- DLa conduction NPN et la conduction PNP
Correct answer: B — La conductivité et la non-conductivité. Question tirée de la banque officielle d'ISDE.
Why
A silicon controlled rectifier, or SCR, acts like a one-way electronic switch that has only two stable states: it is either fully letting current flow or completely blocking it. 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