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GCSE Combined Science · key term
A transformer that decreases the potential difference between its input and output.
Used by AQA and Edexcel
Specification 6.2.4.3 · Paper 5, Paper 6
Revise: The National GridNear consumers, step-down transformers decrease it to a much lower value. For domestic use, the supply is about 230 V—much lower than the transmission voltage, although still dangerous.
Paper 5, Paper 6
A transformer that decreases the size of an alternating potential difference.
Revise: Transformers and the national gridA step-down transformer decreases the alternating potential difference and has fewer turns on the secondary coil.
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