V=dW/dQ

The batteries commonly used in school science practical work are torch batteries rated at 1.5 volt . If two of these batteries...

Physics Narrative 11-14

Thinking about voltage either in terms of size of push or in terms of a second factor (as well as the current) that sets the...

Teaching Guidance 11-14

The word voltage is more approachable than the phrase potential difference so is probably enough for 11–14 year old children.

Teaching Guidance 11-14

It is worth discussing energy transfer in electric circuits and linking this by analogy to other more familiar examples.

Lesson 16-19