Key term for AQA GCSE Physics, used in Induction and Transformers.
The input coil of a transformer where the initial alternating potential difference is applied.
Primary coil appears in AQA GCSE Physics revision content for Magnetism and electromagnetism, especially Induction and Transformers and Transformers.
Create a free account to access AQA GCSE Physics revision notes, track progress, and practise related key terms.