A transformer supplies a workshop inspection lamp. Its primary coil has 1000 turns and is connected to a 240 V alternating supply. The primary current is 0.20 A, and the secondary coil has 50 turns. No energy is wasted in the transformer.
Calculate the secondary current.
108 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.