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Transformer equation — OCR GCSE Physics A J249
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OCR GCSE Physics A
Magnetism and magnetic fields
Uses of magnetism
Transformer equation
OCR GCSE Physics A · J249
Transformer equation
What you need to know
Apply the equations linking potential differences and numbers of turns in the two coils of a transformer.
V
p
V
s
=
N
p
N
s
\frac{V_p}{V_s} = \frac{N_p}{N_s}
V
Revision notes
1
Transformer equation
4 key terms
Practise with past papers
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Transformer turns ratio
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s
V
p
=
N
s
N
p
