GK
INVENTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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light bulb
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telegraph
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movie camera
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all of the above
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Detailed explanation-1: -One of the most famous and prolific inventors of all time, Thomas Alva Edison exerted a tremendous influence on modern life, contributing inventions such as the incandescent light bulb, the phonograph, and the motion picture camera, as well as improving the telegraph and telephone.
Detailed explanation-2: -Did you know? By the time he died at age 84 on October 18, 1931, Thomas Edison had amassed a record 1, 093 patents: 389 for electric light and power, 195 for the phonograph, 150 for the telegraph, 141 for storage batteries and 34 for the telephone.
Detailed explanation-3: -Automatic Telegraphy. Cement. Disc Phonograph. Electric Generator. Electric Lamp. Electric Light and Power System. Electric Pen. Fuel Cell. More items
Detailed explanation-4: -The Phonograph. This phonograph was considered the first great invention of Edison’s career, and his life-long favorite. The Light Bulb. The Electrographic Vote Recorder. Magnetic Iron Ore Separator. The Motion Picture. 17-Jun-2016