discovery of eletric bulb
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thomas alva edison had invented the electric bulb. he had used many products for the filament including his hair atlast he used tungesten. uin this experiment he wasted over 4000$. it works when the circute is complete. its filled with argon, or krypton gases.
its filament gets fused when it gets over heated.
its filament gets fused when it gets over heated.
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Answer Electric bulb was discover in 1800 by Humphry Davy.
Explanation:
The first electric light was made in the year 1800 by an English scientist named Humphry Davy. He experimented with electricity and invented an electric battery. Much later, in the year 1860 an English physicist Sir Joseph Wilsom Swan was determined to derive a practical long lasting electric bulb.
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