Electricity and Magnetism

The idea that the electric current is a measure of how much charge passes per unit time can be quite challenging for pupils...

Teaching Guidance 11-14

The following question, on electrical current, was set to a group of students after their 11–14 teaching on electric circuits...

Teaching Guidance 14-16

The electric current at a point in a circuit is defined as the rate of flow of charge past that point.

Glossary Definition 16-19