Basic Qualification · B-004 Circuit components · B-004-004-003
Dans un transistor à effet de champ, quelle électrode commande la résistance du canal dans le composant?
- ALa source
- BLe collecteur
- CLa porte
- DLe drain
Correct answer: C — La porte. Question tirée de la banque officielle d'ISDE.
Why
The Gate acts like a faucet handle for a field-effect transistor, where applying a small voltage changes how easily electricity flows through the channel between the other two ends. 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