A utility pole step-down transformer is used to connect high-voltage distribution lines to a residential housing development.
Explain the physical process by which the electrical input from the distribution lines establishes a continuously changing magnetic flux within the transformer's laminated core.
28 exam-style questions on Edexcel GCSE Physics 13.2 Transformers and the National Grid, covering 13.2.1 Transformers and induction, 13.2.2 The transformer turns-ratio equation, 13.2.3 The National Grid, 13.2.4 The transformer power equation, and 13.2.5 Advantages of high-voltage transmission. Each one has a worked solution and a mark scheme showing where the marks go.