Video playlist
Transformers. Video
James Stewart explains how potential difference works in a transformer.
The AC generator. Video
Dr George Dransfield explains how an AC generator works and what its output looks like on a graph.
The DC Generator. Video
Dr George Dransfield explains how a DC generator works and what its output looks like on a graph.
Electromagnetism. Video
This video explains how electromagnetism is due to the magnetic fields around electric currents.
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