Basic Qualification · B-004 Circuit components · B-004-001-010
Quel terme décrit le rapport entre la puissance de sortie et la puissance d'entrée CC d'un amplificateur?
- AFacteur de perte
- BRendement
- CGain de courant
- DPlage dynamique
Correct answer: B — Rendement. Question tirée de la banque officielle d'ISDE.
Why
Efficiency measures how well an amplifier turns DC power from your supply into useful radio frequency output, with the rest lost as heat. 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