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George Brown College - Electromechanical Technician Class - Module 1
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George Brown College - Electromechanical Technician Class - Module 1
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George Brown College -Electromechanical Technician Class -
Module 1
The electrification of amber by friction was first noted in: - 600 BC
Who first described how amber differs from magnetic lodestone in attraction of certain
materials? - William Gilbert
All fundamental properties of electricity and magnetism can be traced to the state, or
motion of: - charge
The first battery was invented by: - Alessandro Volta
Hans Christian Oersted discovered: - electromagnetism
Who noted that the electrical resistance of metallic conductors remains constant over
wide ranges of potential difference? - Georg Simon Ohm
The laws of electromagnetic induction are named after: - Michael Faraday
The cathode ray tube was invented by: - William Crookes
Who invented the semiconductor diode? - Walter Schottky
In what year was the first ENIAC computer put to use? - 1946
Which of the following is not an electronic component? - computer
Three fundamental quantities are: - length, mass, time
The number 52,400 expressed in engineering notation would be: - 52.4 x 10^3
Express 1/400 seconds in engineering notation. - 2.5 milliseconds (ms)
Mass is a measure of: - inertia
The law of inertia is named after: - Galileo
Anything that occupies space and has mass is called: - matter
When atoms become attached, what has occured? - bonding
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