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Filament Bulb

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Key Stage 3

Meaning

A picture of a filament bulb.

A filament bulb is an electrical bulb with a thin piece of wire running through it which glows when it receives an electrical current.

Key Stage 4

Meaning

A filament bulb is an electrical bulb with a thin piece of wire running through it which glows when it receives an electrical current.

References

AQA

Bulbs, pages 56-57, GCSE Physics; Third Edition, Oxford University Press, AQA