Physics GCSE
reading graphs
What reading graphs means in Physics GCSE, as defined for AQA.
Definition of reading graphs
Check what you remember
Read the wording for your board, then hide it and explain reading graphs in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
On a curved graph, R = V ÷ I is recalculated at each point rather than using one value throughout.
Topics that use reading graphs
- Resistors (AQA GCSE)
Related terms
- comparing at fixed pd
- constant resistance
- constant temperature
- decreasing gradient
- diode
- diodes
- direct proportionality
- filament lamp
Using reading graphs in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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