P = V I
What P = V I means in Combined Science GCSE, as defined for AQA.
Definition of P = V I
Check what you remember
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Reference: AQA
For any circuit device, power transfer is given by this, where V is the potential difference across the device and I is the current through it.
Topics that use P = V I
- Power (AQA GCSE)
Related terms
- Ammeter
- Ampere
- Current
- E = P × t
- Electrical power
- Energy dissipated
- Energy transferred
- Heating effect of current
Using P = V I in the exam
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