Multiple choice

Who invented Electric Bulb?

  1. Thomas Alva Edison

  2. Galileo

  3. Einstein

  4. Faraday
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Thomas Alva Edison invented the commercially practical incandescent bulb in 1879. While others (including Swan) developed earlier versions, Edison's design with a carbonized bamboo filament was the first commercially successful one.

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