The History of Electrical Engineering: Crash Course Engineering #4

The video explores the history and impact of electrical engineering, focusing on its three main branches: telecommunications, power and lighting, and computers. It covers key historical developments, such as the discovery of electromagnetism, the invention of the telegraph and telephone, the War of Currents, and the rise of computers with the advent of microprocessors. The video highlights the contributions of pioneers like William Gilbert, Samuel Morse, and Alexander Graham Bell, and explains how these innovations have shaped modern society.

Which of the following is NOT one of the main branches of Electrical Engineering mentioned in the video?

• Telecommunications

• Power and Lighting

• Computer Engineering

• Mechanical Engineering

Who is credited with the invention of the first electric telegraph?

• Sir William Fothergill Cooke and Charles Wheatstone

• William Gilbert

• Alexander Graham Bell

• Samuel Morse

What was the first message sent by Samuel Morse on the telegraph line?

• Hello, World!

• The quick brown fox

• Eureka!

• What hath God wrought

What discovery by Heinrich Hertz led to the development of radio?

• Electromagnetic waves

• Incandescent lamp

• Electric telegraph

• Morse code

What was the main issue with arc lighting that Thomas Edison sought to address?

• It was too bright for home use

• It was not energy efficient

• It was too expensive to produce

• It was too dim for street lighting

Who were the main proponents of AC current during the War of Currents?

• Thomas Edison and Nikola Tesla

• George Westinghouse and Nikola Tesla

• William Gilbert and Stephen Gray

• Samuel Morse and Alexander Graham Bell

What innovation allowed computers to become smaller and more efficient after World War II?

• Point-contact transistor

• Vacuum tubes

• Electric telegraph

• Arc lighting