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GEORGE BROWN COLLEGE - ELECTROMECHANICAL TECHNICIAN CLASS - MODULE 1 QUESTIONS WITH 100% CORRECT ANSWERS!! CA$19.17
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GEORGE BROWN COLLEGE - ELECTROMECHANICAL TECHNICIAN CLASS - MODULE 1 QUESTIONS WITH 100% CORRECT ANSWERS!!
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GEORGE BROWN COLLEGE - ELECTROMECHANICAL TECHNICIAN CLASS - MODULE 1 QUESTIONS WITH 100% CORRECT ANSWERS!!

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  • August 20, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • george brown college electromechanical technicia

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George Brown College - Electromechanical Technician Class - Module
2z4hh8

1. The electrification of amber by friction was first noted 600 BC
in:

2. Who first described how amber differs from magnetic William Gilbert
lodestone in attraction of certain materials?

3. All fundamental properties of electricity and magnet- charge
ism can be traced to the state, or motion of:

4. The first battery was invented by: Alessandro Volta

5. Hans Christian Oersted discovered: electromagnetism

6. Who noted that the electrical resistance of metallic Georg Simon Ohm
conductors remains constant over wide ranges of po-
tential difference?

7. The laws of electromagnetic induction are named af- Michael Faraday
ter:

8. The cathode ray tube was invented by: William Crookes

9. Who invented the semiconductor diode? Walter Schottky

10. In what year was the first ENIAC computer put to use? 1946

11. Which of the following is not an electronic compo- computer
nent?

12. Three fundamental quantities are: length, mass, time

13. The number 52,400 expressed in engineering notation 52.4 x 10^3
would be:

14. Express 1/400 seconds in engineering notation. 2.5 milliseconds
(ms)

15. Mass is a measure of: inertia

16. The law of inertia is named after: Galileo
1/6

, George Brown College - Electromechanical Technician Class - Module
2z4hh8

17. Anything that occupies space and has mass is called: matter

18. When atoms become attached, what has occured? bonding

19. The electron was discovered by: J.J. Thomson

20. Electrons have: both kinetic and
potential energy

21. Electrons close to the nucleus are called: bound electrons

22. An atom that has lost a valence electron is called a: positive ion

23. Shells are also known as: permissible ener-
gy levels

24. If an electron were placed within the electrostatic field drawn to the posi-
of a positively charged body, the electron would be: tive charge

25. An arc is caused by: A positive and
a negative charge
brought close to-
gether

26. The basic unit for measuring the quality of electric Coulomb
charge is the:

27. Express 0.0001 as a power of 10. 10^-4

28. Express 100,000 as a power of 10. 10^5

29. Express 0.00000001 as a power of 10. 10^-8

30. Express 100,000,000 as a power of 10. 10^8

31. Put 220,000 into scientific notation form. 2.2 x 10^5

32. Put 0.00318 into scientific notation form. 3.18 x 10^-3

33. Put 4,570,000 into scientific notation form. 4.57 x 10^6

2/6

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