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Ideal transformer — Edexcel GCSE Physics Definition | GradeGen

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Physics
Key terms
Ideal transformer

GCSE Physics · key term

Ideal transformer

Definition

A transformer model in which all the input power is transferred to the output, so its efficiency is 100%.

Used by Edexcel

How each exam board covers it

Edexcel GCSE Physics · 1PH0

Specification 13.10 · Paper 2

An ideal transformer is 100% efficient.
Revise: Transformer Power Equation

Edexcel Physics past papers

Exam tips

1
A step-up in potential difference must be accompanied by a decrease in current for an ideal transformer. Use this relationship to check whether an answer is sensible.

Related key terms

Electrical power
Primary coil
Secondary coil

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