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Episode 402: Fields, Field Lines and Field Strength

This learning episode, from the Institute of Physics, introduces the notion of a field of force and how it can be diagrammatically represented using field lines. The actual strength of the field at a point in space is defined by the field strength. The activities include: • discussing fields and field lines • considering field strength and gravity • worked examples illustrating field strength • analysing data from the Apollo 11 space mission

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