Basic Qualification · B-004 Circuit components · B-004-003-011
Si un transistor est alternativement polarisé en saturation et en blocage, à quoi ressemble son comportement?
- AUne minuterie
- BUn interrupteur
- CUn onduleur
- DUn amplificateur
Correct answer: B — Un interrupteur. Question tirée de la banque officielle d'ISDE.
Why
When a transistor is pushed fully on into saturation and then fully off into cut-off, it acts like a light switch that is either completely open or completely closed, allowing current to flow or stopping it entirely. The full explanation — and one for every question — is in Pro.
Practise this section
Circuit components is section B-004 of the Basic exam: The parts inside the box: resistors, capacitors, inductors, diodes, transistors, tubes and what each does in a circuit.
Drill B-004 — free, no account