When was Thomas Edison born?
Thomas Edison was born in 1847.
Who is often credited for the invention of the light bulb?
Thomas Edison
What was the main problem with Warren de la Rue's 1840 design?
It was too costly.
Which inventor is usually credited with inventing the light bulb?
Thomas Edison
How did Joseph Swan's light bulb design affect its lifespan?
The gases trapped inside the bulb caused soot buildup, shortening the bulb’s lifespan.
What is Thomas Edison's most famous "invention?"
His most famous invention is light bulb.
Who is Joseph Swan?
Joseph Swan was a British inventor.
What was a significant problem with Joeph Swan's early design?
The design had high electrical resistance.
How did Edison improve the vacuum inside light bulbs
Edison created a better seal and reduced the amount of gas inside the bulb.
What was one of the main issues with Joseph Swan's bulb design regarding electrical resistance?
The high electrical resistance caused inefficiency.
Who is Thomas Edison?
This inventor is often credited with inventing the light bulb.
When did Joseph Swan begin working on the incandescent light bulb?
The early 1850s.
What was one of the main issue that led to the short lifespan of of the early light bulbs?
The gases released by the filament bulb formed soot.
How did Edison’s improvements make the light bulb more suitable for mass production?
Edison made the light bulb better by improving the materials and design.
Why were Joseph Swan's light bulbs not practical for widespread use?
The bulb’s short lifespan and high cost made it difficult to use for widespread use.
Where did Thomas Edison's research of the light bulb for taken place at?
Menlo Park
What was Nikola Tesla's area of study in electricity?
Tesla explored alternating currents (AC).
Why was electrical resistance in Joseph Swan's bulb a problem?
It limited the flow of electricity.
What was one reason Edison's light bulb was considered inexpensive?
He changed the materials to make it cheaper and more efficient.
In what decade did Joseph Swan develop his incandescent light bulb?
1850s.
What is one reason Thomas Edison is credited for the light bulb?
His imporovement made the light bulb affordalble and available for mass production.
What material did Warren de la Rue use for his filament in his 1840 design?
He used platinum for his filament.
Why were early electric light bulbs not available for mass production?
Early light bulbs had the wrong materials.
What was the significance of Edison’s work at Menlo Park?
Menlo Park was where Edison and his team developed the light bulb.
What was one significant flaw in Joseph Swan's early light bulb design that Edison helped fix?
Swan’s bulb suffered from high electrical resistance and short bulb life due to soot, which Edison resolved.