Questions & Answers
Browse all 18 questions from the
Pioneers of Electricity study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Who is credited with the invention of the first practical incandescent light bulb?
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A
Nikola Tesla
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B
Thomas Edison
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C
Alessandro Volta
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D
Michael Faraday
2
Which invention by Guglielmo Marconi revolutionized long-distance communication?
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A
The Telegraph
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B
The Telephone
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C
The Radio
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D
The Transistor
3
Alessandro Volta is best known for inventing which of the following?
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A
The Battery
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B
The Electric Motor
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C
The Transformer
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D
The Capacitor
4
Who formulated the laws of electromagnetism known as Maxwell's equations?
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A
James Clerk Maxwell
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B
Andre-Marie Ampere
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C
Georg Ohm
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D
Heinrich Hertz
5
What device did Michael Faraday invent that serves as the foundation for modern electric power generation?
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A
The Vacuum Tube
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B
The Electric Generator
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C
The Resistor
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D
The Integrated Circuit
6
Which scientist is credited with the discovery of electromagnetic induction?
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A
Michael Faraday
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B
Thomas Edison
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C
Benjamin Franklin
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D
Alexander Graham Bell
7
Who is the inventor famously associated with the development of the alternating current (AC) electrical system?
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A
Thomas Edison
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B
Nikola Tesla
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C
George Westinghouse
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D
Samuel Morse
8
The first practical telephone was patented in 1876 by whom?
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A
Alexander Graham Bell
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B
Elisha Gray
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C
Thomas Watson
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D
Antonio Meucci
9
Which unit of electrical resistance is named after a German physicist?
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A
Volt
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B
Ampere
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C
Ohm
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D
Watt
10
What was the first electronic general-purpose digital computer?
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A
ENIAC
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B
UNIVAC
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C
Apple I
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D
IBM 701
11
Who demonstrated the existence of radio waves in 1887?
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A
Heinrich Hertz
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B
Guglielmo Marconi
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C
James Clerk Maxwell
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D
Nikola Tesla
12
Which material was used in the first point-contact transistor invented at Bell Labs?
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A
Silicon
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B
Germanium
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C
Copper
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D
Aluminum
13
Who is known for his work in the early development of the electric motor?
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A
Michael Faraday
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B
Nikola Tesla
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C
Thomas Edison
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D
James Watt
14
The 'Leyden jar', an early form of a capacitor, was invented in which country?
-
A
United Kingdom
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B
Netherlands
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C
France
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D
United States
15
What invention by Joseph Henry laid the groundwork for the electric telegraph?
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A
The Relay
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B
The Transformer
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C
The Diode
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D
The Rectifier
16
Who invented the vacuum tube diode in 1904?
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A
John Ambrose Fleming
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B
Lee de Forest
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C
William Shockley
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D
Robert Noyce
17
What was the primary purpose of the first successful submarine telegraph cable laid in 1866?
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A
Connecting Europe and America
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B
Connecting London and Paris
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C
Connecting Japan and China
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D
Connecting India and Australia
18
Which scientist discovered that an electric current creates a magnetic field?
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A
Hans Christian Oersted
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B
Andre-Marie Ampere
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C
Charles-Augustin de Coulomb
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D
Georg Ohm
