Combined Science GCSE
Non-ohmic components
What Non-ohmic components means in Combined Science GCSE, as defined for AQA.
Definition of Non-ohmic components
Check what you remember
Read the wording for your board, then hide it and explain Non-ohmic components in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Components such as filament lamps and LDRs whose resistance changes with temperature or light intensity, so R = V ÷ I gives the resistance at that particular operating point.
Topics that use Non-ohmic components
- 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
- Ohm's law relationship
Using Non-ohmic components in the exam
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