GENERAL KNOWLEDGE

GK

INVENTIONS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Who invented the first practiced incandescent light bulb?

A	Henry Ford
B	James Watt
C	Eli Whitney
D	James Hargreaves
E	Thomas Edison

Explanation:

Detailed explanation-1: -On January 27, 1880, Thomas Edison received the historic patent embodying the principles of his incandescent lamp that paved the way for the universal domestic use of electric light.

Detailed explanation-2: -His first invention to receive a patent was the electric vote recorder, in June 1869. Daunted by politicians’ reluctance to use the machine, he decided that in the future he would not waste time inventing things that no one wanted. Edison moved to New York City in the middle of 1869.

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