GENERAL KNOWLEDGE

GK

INVENTIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Who created the light bulb?
A
Henry Ford
B
Alexander Graham Bell
C
Thomas Edison
D
Wendy Porter
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: -According to the Thomas Edison National Historical Park, “In 1879, he made an incandescent bulb that burned long enough to be practical, long enough to light a home for many hours.

Detailed explanation-3: -The electrochemist Humphry Davy demonstrated lights of both kinds in the early 1800s. At the age of only twenty-two, Davy was made a lecturer at the new Royal Institution in London. He was a dazzling speaker whose lecture-demonstrations soon became major social events in London for both women and men.

Detailed explanation-4: -By January 1879, at his laboratory in Menlo Park, New Jersey, Edison had built his first high resistance, incandescent electric light. It worked by passing electricity through a thin platinum filament in the glass vacuum bulb, which delayed the filament from melting. Still, the lamp only burned for a few short hours.

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