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Chapter 5
End of Chapter Review Questions Answer Key
1. A material described as an insulator has how many electrons in its outer shell?
2. Which of the following is a measure of electrical pressure?
3. Which of following units of measurement expresses electron flow in a circuit?
4. How many electrons does the element silicon have in its outer shell?
5. Who originated the branch of electricity generally described as electromagnetism?
6. Which of the following elements could be described as being electrically inert?
7. Which of the following is a measure of charge differential?
8. An element classified as a semiconductor would have how many electrons in its outer
shell?
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9. Which of the following describes resistance to movement to magnetic lines of force?
10.
11. Calculate the power consumed in a circuit through which 3A are flowed at a potential
12. 10. A farad is a measure of:
13. Technician A says that magnetism is a source of electrical energy in truck electrical
systems. Technician B says that a chemical reaction is a source of electrical energy in
truck electrical systems. Who is correct?
14. Which of the following is a measure of electrical circuit current flow?
15. Resistance to current flow is measured in ___.
16. Which of the following is the best insulator of electricity?
17. Which type of circuit offers only one path for current flow?
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18. A break in a circuit that causes a loss of continuity is called a:
19. Which of the following would cause high resistance in a closed electrical circuit?
20. If one branch of a parallel circuit has high resistance, how will total circuit current be
affected?
21. When describing the negative post of a battery terminal in an energized electrical
circuit, which of the following applies?
22. If an electrical connection in a closed electrical circuit heats up, which of the
following would be the more likely cause?
23. When a dead short occurs, which of the following would be true?
24. Which of the following components is used in a truck electrical circuit to convert
electromagnetic energy into mechanical movement?
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25. A circuit protection device that opens when overloaded and then automatically resets
is known as a:
26. circuit resistance
increases and voltage remains the same? It:
27.
28. What is the moving electrical component in a solenoid known as?
29. Which of the following devices is used to open and close electrical circuits?
30.
is likely to happen to the power consumed? It: