Edexcel IGCSE Physics 6.17P Transformers
Practise describing transformer structure and operation, including a.c. in coils, changing magnetic fields, iron cores and step-down behaviour.
- Syllabus
- First assessment 2019
- Course
- Physics 4PH1
Exam points
- describe a transformer using two coils linked by a soft iron core
- explain how a.c. in the primary coil induces voltage in the secondary coil
- use input and output labels to distinguish step-up from step-down transformers
6.17P Transformers question 1
Transformers are useful in the transmission of electricity.
The diagram shows a step-down transformer.
Give the name of a suitable metal that could be used in the core of the transformer.
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