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4.2.9 Transformer equation — OCR Physics A J249 | GradeGen.AI

Physics A
Magnetism and magnetic fields
Uses of magnetism
Transformer equation

Transformer equation

OCR GCSE Physics A (J249) — Magnetism and magnetic fields

What You Need to Know

Apply the equations linking potential differences and numbers of turns in the two coils of a transformer.

$\frac{V_p}{V_s} = \frac{N_p}{N_s}$

Revision Notes

Transformer equation

Practise with Past Papers Key Terms & Definitions

Previous SubtopicTransformer turns ratio Next SubtopicMicrophones and speakers

s

Vp

=

NsNp