Question

who is the invited buld​

Answer 1

Answer:

Explanation:

Aug 17, 2017 — The first practical incandescent light bulb Edison and his team of researchers in Edison's laboratory in Menlo Park, N.J., tested more than 3,000 designs for bulbs between 1878 and 1880. In November 1879, Edison filed a patent for an electric lamp with a carbon filament.

Answer 2

Thomas Edison developed his carbon-filament bulb, enclosed in a superior vacuum to extend the life of the filament

Explanation:

The first practical incandescent light bulb Edison and his team of researchers in Edison's laboratory in Menlo Park, N.J., tested more than 3,000 designs for bulbs between 1878 and 1880. In November 1879, Edison filed a patent for an electric lamp with a carbon filament.