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

What is the basic unit of electrical power?

  1. A The volt
  2. B The ohm
  3. C The watt
  4. D The ampere

Correct answer: C — The watt. From the official ISED question bank, verified word for word.

Why

The watt measures how fast electrical energy is used or produced, making it the basic unit of power. The full explanation — and one for every question — is in Pro.

Practise this section

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.

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