SignalPrep
Basic Qualification · B-005 Basic electronics and theory · B-005-003-006

Power is expressed in:

  1. Awatts
  2. Bvolts
  3. Camperes
  4. Dohms

Correct answer: A — watts. From the official ISED question bank, verified word for word.

Why

Power measures how fast electrical energy is used or produced, and the unit for this rate is the watt. 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

Cette question en français · All B-005 questions