Bitesize GCSE Physics - 2. Electricity - 6. The National Grid - ³ÉÈË¿ìÊÖ Sounds

Bitesize GCSE Physics - 2. Electricity - 6. The National Grid - ³ÉÈË¿ìÊÖ Sounds
2. Electricity
6. The National Grid
Ellie and James explore The National Grid and step-up & step-down transformers.