Physics A-Level
Unit analysis
What Unit analysis means in Physics A-Level, as defined for AQA.
Definition of Unit analysis
Check what you remember
Read the wording for your board, then hide it and explain Unit analysis in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
A check on the meaning of a gradient or area, since the gradient's unit is the vertical unit divided by the horizontal unit and the area's unit is the product of the two axis quantities.
Topics that use Unit analysis
- Capacitor charge and discharge (A-level only) (AQA A-Level)
Related terms
- Area under a graph
- Capacitor charging and discharging
- Determining the time constant from a graph
- Effect of larger R or C
- Exponential decay
- Exponential fall during discharge
- Gradient
- Graphical analysis of electrical circuits
Using Unit analysis in the exam
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