GENERAL KNOWLEDGE

GK

INVENTIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is one change to American society caused by Thomas Edison’s invention of a long-lasting light bulb?
A
Industrial production decreased.
B
People moved from cities to farms.
C
Factory employees worked longer hours.
D
Larger and taller buildings were constructed.
Explanation: 

Detailed explanation-1: -The light bulb reduced the crime rate in many urban areas. Thomas Edison also invented the phonograph, the motion picture, and the stock ticker. Americans gained control over light in homes and offices, independent of the time of day.

Detailed explanation-2: -What was the key factor in Thomas Edison’s success in designing the light bulb? What were some of the new things that were possible because of this invention? The key factor was carbonized cardboard. This invention brought cities out of the dark ages where nothing could go on at night without a gas, or candle fire.

Detailed explanation-3: -On this day, January 6th, in 1931, just two days before his death Edison executed his last patent application. True to form for a man who spent his whole life working with electricity, the patent was for a component of an electroplating process.

There is 1 question to complete.