Combined Science GCSE
Ohmic versus non-ohmic behaviour
What Ohmic versus non-ohmic behaviour means in Combined Science GCSE, as defined for AQA.
Definition of Ohmic versus non-ohmic behaviour
Check what you remember
Read the wording for your board, then hide it and explain Ohmic versus non-ohmic behaviour in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The equation describes ohmic behaviour at constant temperature, but for a filament lamp the resistance rises as the current increases, so V and I are not directly proportional across the whole range.
Topics that use Ohmic versus non-ohmic behaviour
- Current, resistance and potential difference (AQA GCSE)
Related terms
- Ammeter
- Ampere
- Circuit construction from diagrams
- Current
- Directly proportional
- Lattice ions
- Measurement of current and potential difference
- Non-ohmic components
Using Ohmic versus non-ohmic behaviour 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.
Practise Combined Science questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Combined Science GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge