Basic Qualification · B-005 Basic electronics and theory · B-005-003-003
What is the basic unit of electrical power?
- AThe volt
- BThe ohm
- CThe watt
- DThe 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
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