Physics A-Level
Resistance calculation from coordinates
What Resistance calculation from coordinates means in Physics A-Level, as defined for AQA.
Definition of Resistance calculation from coordinates
Check what you remember
Read the wording for your board, then hide it and explain Resistance calculation from coordinates in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Reading the coordinates directly from the graph and using R = V/I, whether the line is curved or straight.
Topics that use Resistance calculation from coordinates
- Current–voltage characteristics (AQA A-Level)
Related terms
- Direct proportionality
- Filament lamp
- Graph interpretation
- Ideal ammeter
- Ideal assumption
- Ideal voltmeter
- Non-ohmic behaviour
- Ohmic and non-ohmic behaviour
Using Resistance calculation from coordinates in the exam
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