Measurement of current and potential difference
What Measurement of current and potential difference means in Combined Science GCSE, as defined for AQA.
Definitions of Measurement of current and potential difference
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Reference: AQA
An ammeter in series measures the current through a component, while a voltmeter in parallel measures the potential difference across it.
Recording potential difference and current, then calculating resistance using R = V ÷ I.
Topics that use Measurement of current and potential difference
- Current, resistance and potential difference (AQA GCSE)
- Standard circuit diagram symbols (AQA GCSE)
Related terms
- Ammeter
- Ampere
- Circuit construction from diagrams
- Current
- Directly proportional
- Lattice ions
- Non-ohmic components
- Ohm's law relationship
Using Measurement of current and potential difference in the exam
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