OCR GCSE Gateway Science Suite - Physics A J249 · P8.2c
High-voltage transmission in the national grid
- Code
- P8.2c
- In
- P8.2 Powering Earth
- Topic
- P8 Global challenges
- Course
- GCSE Gateway Science Suite - Physics A J249
- Board
- OCR
Grade boundaries·OCR command words
Codes and titles are read by a script from OCR's published specification and have not been checked by a person. What each point covers is in the specification itself: OCR’s specification.
Points in P8.2 Powering Earth
- PM8.2i Transformer power equation
- P8.2a Energy resources: renewable and non-renewable
- P8.2b Trends in energy resource use
- P8.2c High-voltage transmission in the national grid
- P8.2d Step-up and step-down transformers
- P8.2e Efficiency of the national grid
- P8.2f Transformers and high-voltage transmission
- P8.2g UK mains supply
- P8.2h Direct and alternating voltage
- P8.2i Live, neutral and earth wires
- P8.2j Dangers of the live wire