Basic Qualification · B-005 Basic electronics and theory · B-005-002-001
Lequel des groupes suivants montre trois bons conducteurs électriques?
- AOr, argent et bois
- BCuivre, aluminium et papier
- CCuivre, or et mica
- DOr, argent et aluminium
Correct answer: D — Or, argent et aluminium. Question tirée de la banque officielle d'ISDE.
Why
Gold, silver and aluminum are all metals that allow electricity to flow through them easily because their atoms release electrons freely. 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