Basic Qualification · B-004 Circuit components · B-004-001-001
Quel terme décrit un circuit conçu pour augmenter l'amplitude d'un signal?
- AUn modulateur
- BUn oscillateur
- CUn multiplicateur
- DUn amplificateur
Correct answer: D — Un amplificateur. Question tirée de la banque officielle d'ISDE.
Why
An amplifier is the circuit built specifically to make a signal stronger by increasing its amplitude, which simply means the height or strength of the wave. 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