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Transformers in National Grid — OCR GCSE Physics A J249
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OCR GCSE Physics A
Global challenges
Powering Earth
Transformers in National Grid
OCR GCSE Physics A · J249
Transformers in National Grid
What you need to know
Recall that step-up and step-down transformers are used to change the potential difference during power transfer.
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Transformers in National Grid
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