USA HISTORY

WESTWARD EXPANSION INDUSTRIALIZATION URBANIZATION 1870 1900

IMMIGRATION IN INDUSTRIAL AMERICA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which invention, improved by Thomas Edison, most changed the way that factories operated in the late 19th century?
A
airplane
B
automobile
C
light bulb
D
telephone
Explanation: 

Detailed explanation-1: -He made a breakthrough in October 1879 with a bulb that used a platinum filament, and in the summer of 1880 hit on carbonized bamboo as a viable alternative for the filament, which proved to be the key to a long-lasting and affordable light bulb.

Detailed explanation-2: -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.

Detailed explanation-3: -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-4: -Thomas Edison is most well known for his invention of the light bulb.

Detailed explanation-5: -On January 27, 1880, Edison received the historic patent embodying the principles of his incandescent lamp that paved the way for the universal domestic use of electric light. The patent number for his electric lamp is 223, 898.

There is 1 question to complete.