Basic Qualification · B-004 Circuit components · B-004-001-009
Un dispositif sur lequel on a indiqué "Gain = 10 dB" est un:
- Aamplificateur
- Batténuateur
- Coscillateur
- Déquilibreur audio ("fader")
Correct answer: A — amplificateur. Question tirée de la banque officielle d'ISDE.
Why
A device with a gain of 10 dB increases the strength of a signal, which is exactly what an amplifier does. 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