BRAINCAKEThe National Grid
The National Grid is a network of transformers and cable which supplies most of the UK with electricity from power stations.
Long-distance transmission of electricity is more efficient at high voltage so the voltage is stepped up to at least 400,000V a.c..
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More in Electromagnetic Induction
- Solenoid
- Lenz's Law
- Faraday's Law of Electromagnetic Induction
- The Alternating Current Generator
- Power Station Alternators
- Back e.m.f.
- Transformers
- Transformer Efficiency
All 12 lessons in Electromagnetic Induction · All OCR A-level Physics topics