Flickering lights

emmagleb | 16:48 Thu 01st Dec 2005 | Science

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Does anyone know how the flickering effect on lightbulbs work? They're usually the candle replacement ones in chandeliers. Thanks, Emma

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einsteinsdog

For the gas to light up it has to ionize . But first it has to heat up hot enough for the atoms to breakdown into ions. The flickering is caused by the current taking different paths through the gas , or alternatively variations in the heating of the gas , which change its resistance.

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