OCR GCSE Gateway Science Suite - Combined Science A J250 · P6.2e
Efficiency of the national grid
- Code
- P6.2e
- In
- P6.2 Powering Earth
- Topic
- P6 Global challenges in physics
- Course
- GCSE Gateway Science Suite - Combined Science A J250
- 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 P6.2 Powering Earth
- PM6.2i Transformer power equation
- P6.2a Energy resources: renewable and non-renewable
- P6.2b Trends in energy resource use
- P6.2c High-voltage transmission in the national grid
- P6.2d Step-up and step-down transformers
- P6.2e Efficiency of the national grid
- P6.2f UK mains supply
- P6.2g Direct and alternating voltage
- P6.2h Live, neutral and earth wires
- P6.2i Dangers of the live wire