Question

Based on details from "Thomas Edison: The Master of Improvement," how did Joseph Swan and Thomas Edison differ?
Swan liked to experiment, while Edison did not.
Swan was very inventive, while Edison was not.
Swan invented a working lightbulb, while Edison did not.
Swan received a formal education, while Edison did not.

Answer 1

Based on details from "Thomas Edison: The Master of Improvement," how did Joseph Swan and Thomas Edison differ?

Joseph Swan experimented using carbon paper filaments, while Edison used metallic filaments initially.

Swan received a formal education, while Edison did not.

Explanation:

Answer 2

Swan received a formal education, while Edison did not.

Option (D) i correct.

Explanation:

• In 1850, Swan started working on a lamp by using a carbonized paper filament.
• He used the evacuated glass tube and after ten years, was able to present his work in 1860. However, the bulb had a short life span but it had good efficiency in working.
• Edison was also experimenting with metallic filament but it took him a lot of energy and attempts to make an ideal filament.