Electricity and Magnetism

Demonstration: this demonstration always amazes 14-16 year olds, with whom it can be used to show some electromagnetic magic...

Practical Activity 14-16

Demonstration: Faraday's law of electromagnetic induction is a very important principle. Most of the electrical power in the...

Practical Activity 14-16

This is an interactive teacher demonstration that can be used to introduce students to the idea of inducing an electrical...

Classroom Activity 14-16

Students will already have ideas about electromagnetic induction. In this episode, your task is to develop a picture of...

Lesson 16-19

The common electromagnetic machines are motors, generators and transformers. All three are described in this episode but you...

Lesson 16-19

In a generator, motion of a conductor in a magnetic field induces an EMF. In a transformer, it is the changing field that...

Lesson 16-19