Revise for Science GCSE.

Revise for Science GCSE.

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This revision guide includes questions in the appropriate style for the assessment, exam practice, exam tips and dedicated textbooks for both higher and foundation tier. Written for the new Suffolk (OCR B) specification, it matches its staged assessment exactly.Transformers are used to raise and lower the voltage of the alternating current as it enters and leaves the grid. ... secondary turns Ysl. nn transformer neutral 100 V lamp primary coil copper core secondary coil V Worked example A transformer steps down 230 V to 12 V. If it ... Draw an energy flow diagram for a power station.

Title:Revise for Science GCSE.
Author:Gill Alderton, David Berrington, M. W. Brimicombe
Publisher:Heinemann - 2002


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