Basic Qualification · B-004 Circuit components · B-004-001-006
En plus de la puissance et du courant, quelle propriété d'un signal les amplificateurs peuvent-ils être spécifiquement conçus pour augmenter?
- ALinéarité
- BVoltage
- CPhase
- DFréquence
Correct answer: B — Voltage. Question tirée de la banque officielle d'ISDE.
Why
Amplifiers are built to make a weak signal stronger by boosting its voltage, which is the electrical pressure that pushes current through a circuit. 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