From the Institute of Physics, these resources are split into topics and each topic is subdivided into a number of episodes. An episode represents a coherent section of teaching – perhaps one or two lessons. The topics covered are:

* Gravitational fields
* Electrical fields
* Coulomb's law
* Electromagnetism
* Electric motors
* Generators
* Transformers

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Episode 405: Preparation for Electric Fields Topic *suitable for home teaching*

This topic, from the Institute of Physics, explores electric fields and draws the comparison between these and gravitational fields. They both follow inverse square laws, and so their equations look very similar. The topic includes a series of learning episodes which are self-contained and last one or two lessons...

Episode 406: Fields, Field Lines and Equipotentials

Produced by the Institute of Physics, this learning episode introduce students to electric fields, field lines and equipotentials. Similarities with gravitational fields are highlighted, but with the need to take account of the of charge.

The activities include:
• discussion and demonstration of field...

Episode 407: Coulomb’s Law

This learning resource, from the Institute of Physics, introduce students to Coulomb’s law which describes the force between two charges. The activities compare this to the way Newton’s Law of Universal Gravitation gives the force between two masses. Both follow the inverse-square law. The difference being that an...

Episode 408: Field Strength and Potential Energy

This learning episode, from the Institute of Physics, introduces field strength and potential energy for electric fields. Comparisons with gravitational fields are also made.

The activities include:
* discussion of field strength
* worked examples on field strength
* discussion about...

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