Basic Qualification · B-005 Basic electronics and theory · B-005-010-004
Quel terme désigne l'opposition combinée de la réactance et de la résistance au passage du courant alternatif?
- AConductance
- BImpédance
- CRéluctance
- DAdmittance
Correct answer: B — Impédance. Question tirée de la banque officielle d'ISDE.
Why
Impedance is the total opposition a circuit offers to alternating current, combining both resistance and reactance into one value. The full explanation — and one for every question — is in Pro.
Practise this section
Basic electronics and theory is section B-005 of the Basic exam: The theory: Ohm's law, power, series and parallel circuits, AC and DC, frequency and wavelength, decibels, and the metric prefixes the exam leans on.
Drill B-005 — free, no account