Basic Qualification · B-005 Basic electronics and theory · B-005-013-010
What term describes the ability of an instrument to display values that are true to reality?
- A Stability
- B Accuracy
- C Precision
- D Resolution
Correct answer: B — Accuracy. From the official ISED question bank, verified word for word.
Why
Accuracy means your instrument shows a value that matches the true reality of the measurement, like a ruler that correctly shows a wire is exactly ten centimetres long. 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.