Thomas Edison is often credited with inventing the light bulb, but his key innovation was developing a...

Commercially viable, long-lasting filament

Standard screw-in base (the Edison screw)

Method for generating electricity

The 1893 Chicago World's Fair, also known as the World's Columbian Exposition, was famously illuminated using which inventor's system?

Guglielmo Marconi's wireless system

Alexander Graham Bell's telephone system

Creating massive, uncontrolled sparks

Starting electrical fires in controlled buildings

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01What is the name of the electrical device, invented by Tesla, that produces high-voltage, low-current, high-frequency alternating-current electricity?
02Thomas Edison is often credited with inventing the light bulb, but his key innovation was developing a...
03The 1893 Chicago World's Fair, also known as the World's Columbian Exposition, was famously illuminated using which inventor's system?
04To demonstrate the alleged dangers of AC electricity, Edison's associates publicly performed what controversial act?
05Which major US company, founded by George Westinghouse, purchased Nikola Tesla's patents for his AC polyphase system?
06Nikola Tesla was born in the village of Smiljan, which is located in what modern-day country?
07Thomas Edison's famous invention factory, known as the 'invention factory', was located in which New Jersey town?
08The first large-scale hydroelectric power plant in the world, built at this location, used Tesla's AC system.
09The company that eventually became General Electric was originally founded based on the work and patents of which inventor?
10What was the name of Tesla's laboratory and tower on Long Island, intended for wireless transmission of energy?
11In the 'War of the Currents', what type of electrical system did Nikola Tesla champion?
12Which of these is one of Thomas Edison's most famous inventions, which he called his personal favorite?