A complete lesson covering AQA GCSE Physics section 4.7.3.4 – Transformers (Higher Tier only).
The lesson begins with a recall quiz reviewing key content from across the specification. It then introduces the fundamentals of transformers, including the role of the iron core, with understanding checked through summary questions.
Next, students explore the relationship between the number of turns on the primary and secondary coils using the transformer equation. This is supported by worked examples and an application question to reinforce understanding.
The lesson continues with a focus on step-up and step-down transformers, followed by the relationship between input and output power. The power equation is introduced and applied in context.
The lesson concludes with a multiple-choice quiz to assess overall understanding, and a worksheet featuring a range of calculation questions involving both the transformer and power equations.
All answers included.
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