Physics GCSE
V–I characteristic graphs
What V–I characteristic graphs means in Physics GCSE, as defined for OCR.
Definition of V–I characteristic graphs
Check what you remember
Read the wording for your board, then hide it and explain V–I characteristic graphs in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A straight line through the origin shows constant resistance, while a curved graph shows resistance that changes as current changes.
Topics that use V–I characteristic graphs
- Simple circuits (OCR GCSE)
Related terms
- Cell polarity conventions
- constant resistance
- Current
- diode
- E = P t
- Energy transferred
- Equivalent resistance in series
- Explaining mechanisms
Using V–I characteristic 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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