Learn how electric circuits work and how to measure current and potential difference with this guide for KS3 physics students aged 11-14 from BBC Bitesize.

Electric Potential Difference: Students learn to describe changes in the potential and kinetic energy of a point charge as it moves in an electrical field. Potential difference is introduced in ...

The Work Energy Principle is one of the big ideas in introductory physics courses. It’s so big that the textbook presentation can get a little confusing – but it doesn’t have to be that way ...