Multiple choice

Which of the following is NOT an accomplishment of Thomas Edison?

  1. helped improve the light bulb

  2. invented the phonograph

  3. helped invent the motion picture camera

  4. 1st to discover electricity
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Electricity was discovered and studied by many scientists over centuries, such as Benjamin Franklin and Michael Faraday, long before Edison was born. Edison's contributions were in the practical application and commercialization of electrical systems.

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