Multiple choice general knowledge

Who invented the light bulb?

  1. Thomas Alva Edison

  2. Franklin Roosevelt

  3. Pierre Curie

  4. Joseph Swan
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

While Thomas Edison is often credited, Joseph Swan actually invented the first practical light bulb in 1878, before Edison's successful version in 1879. The two later merged their companies to form Ediswan. This question tests knowledge of the actual historical priority.

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