Question

who invented bulb in which year?​

Answer 1

Answer:

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.

Explanation:

I hope it will help!!!!!!!

plzz follow me and mark me as brainlieast

Answer 2

Answer:

Edison and his team had invented the bulb in year 1879 .

and please follow me