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History of Electricity

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Questions and Answers

What marked significant progress in the study of electrical phenomena in the 19th century?

Development of the theory of electromagnetism (correct)

Discovery of electric current

Introduction of vacuum tubes

Invention of the light bulb

What was the driving force for the Second Industrial Revolution?

Introduction of steam engines

Rapid expansion in electrical technology (correct)

Invention of the telephone

Discovery of radio waves

What is the foundation of modern industrial society?

Electricity (correct)

Magnetism

Mechanical engineering

Heat energy

What determines the force acting on an electric charge in most applications?

Coulomb's law Signup and view all the answers

What is the unit typically used to measure electric potential?

Volts Signup and view all the answers

What produces a magnetic field according to the text?

Motion of electric charges Signup and view all the answers

Who invented the first working transistor in 1947?

John Bardeen and Walter Houser Brattain Signup and view all the answers

What is a common phenomenon related to electricity mentioned in the text?

Lightning Signup and view all the answers

What did Albert Einstein explain in his 1905 paper?

The photoelectric effect Signup and view all the answers

Which type of material is most often used in solid-state electronics?

Crystalline semiconductors Signup and view all the answers

Who was awarded the Nobel Prize in Physics in 1921 for the discovery of the law of the photoelectric effect?

Albert Einstein Signup and view all the answers

In which field did electricity turn from a scientific curiosity into an essential tool for modern life?

Electrical engineering Signup and view all the answers