Basic Qualification · B-004 Circuit components · B-004-003-004
Si l'on applique un signal faible à l'entrée d'un transistor et qu'un signal de niveau plus élevé apparaît à la sortie, comment se nomme cet effet?
- ARedressement
- BAmplification
- CDétection
- DModulation
Correct answer: B — Amplification. Question tirée de la banque officielle d'ISDE.
Why
Amplification is the process where a transistor takes a weak input signal and produces a stronger version of it at the output, effectively increasing its power or voltage. 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