Basic Qualification · B-005 Basic electronics and theory · B-005-001-008
Un courant d'un quart d'ampère peut s'écrire:
- A250 milliampères
- B2,5 milliampères
- C0,25 milliampère
- D250 microampères
Correct answer: A — 250 milliampères. Question tirée de la banque officielle d'ISDE.
Why
One quarter of an ampere equals 0.25 amperes. 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