Transformers (Edexcel GCSE Physics): Flashcards
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Practise the cards
11 cards from this deck
Role of transformers in National Grid
Role of transformers in National Grid
Increase & decrease potential difference
Two coils in a transformer
Two coils in a transformer
Primary coil and secondary coil
Core material in transformers
Core material in transformers
Iron core
Step-up transformer function
Step-up transformer function
Increases potential difference
Coil turns in step-up transformer
Coil turns in step-up transformer
Secondary has more turns than primary
Use of step-up transformers
Use of step-up transformers
Electricity transportation via cables
Step-down transformer function
Step-down transformer function
Decreases potential difference
Coil turns in step-down transformer
Coil turns in step-down transformer
Secondary has fewer turns than primary
Use of step-down transformers
Use of step-down transformers
Reduce PD before electricity reaches homes
Efficiency of transformers
Efficiency of transformers
Nearly 100%