Thomas Edison's contribution to the search for cheap and efficient indoor lighting was the
A) fluorescent lamp.
B) arc light.
C) incandescent bulb.
D) gaseous-discharge bulb.

Question

Quizplus · Accepted Answer

Thomas Edison's contribution to the search for cheap and efficient indoor lighting was the incandescent bulb. The incandescent bulb provided a longer-lasting and brighter light source than existing options at the time, such as gas lamps or candles.

Thomas Edison's Contribution to the Search for Cheap and Efficient