Basic Qualification · B-004 Circuit components · B-004-004-007
Quelle électrode assure la commande dans un transistor à effet de champ?
- ALa source
- BLe drain
- CLa base
- DLa porte
Correct answer: D — La porte. Question tirée de la banque officielle d'ISDE.
Why
In a field-effect transistor, the Gate acts as the control electrode because it regulates the flow of electricity through the device without drawing significant current itself, much like a valve controlling water in a pipe. 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