What determines the current in an electric circuit? - OCR 21st Century What determines the rate of energy transfer in a circuit? What are magnetic fields? - OCR 21st Century How do electric motors ...

Revise GCSE Physics by listening to these revision podcasts from Bitesize and BBC Sounds. BBC Sounds is where you can catch the latest music tracks, discover binge-worthy podcasts or listen to live ...

Among the abundance of components making up electronic circuits, very few are as important as capacitors. These components, taking the form of conductive plates separated by an insulating material ...