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In History / High School | 2014-09-04

The first light bulb had a filament made of _____.

Asked by RacheleMurnan

Answer (2)

Filament of the first light bulb was made of carbonized piece of cotton. It was invented by Thomas Edison in 1879 and the lifetime of this light bulb was approximately 13 hrs.

Answered by mashenka | 2024-06-10

The first light bulbs had filaments made of carbon. These early constructions later evolved to use tungsten due to its superior qualities. Thomas Edison is known for his significant contributions in developing practical incandescent light bulbs.
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Answered by Anonymous | 2024-12-26

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