Key term for OCR GCSE Physics A, used in Uses of magnetism.
A transformer that decreases the input potential difference to a lower output potential difference by having fewer turns on the secondary coil.
Step-down transformer appears in OCR GCSE Physics A revision content for Magnetism and magnetic fields, especially Uses of magnetism and Transformer equation.
Magnetism and magnetic fields
Uses of magnetism • Transformer equation
Global challenges
Powering Earth • High voltage transmission
Global challenges
Powering Earth • Grid efficiency
Global challenges
Powering Earth • Transformers in National Grid
Global challenges
Powering Earth • National Grid
Magnetism and magnetic fields
Uses of magnetism • Transformer turns ratio
Magnetism and magnetic fields
Uses of magnetism • Transformers
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