Dr George Dransfield explains how to detect and then draw magnetic fields.

Dr George Dransfield explains how an AC generator works and what its output looks like on a graph.

Dr George Dransfield explains how a DC generator works and what its output looks like on a graph.

A video about the invention of the electricity generator.

In this video, Jonny Nelson explains resistance.

In this video, Jonny Nelson introduces an animated explanation of circuits.

Maggie Aderin-Pocock and Alex Lathbridge investigate I-V characteristics of electrical components.

This video explains how electromagnetism is due to the magnetic fields around electric currents.