NEETS Module 01 Assignment 1: Turning to Electricity - Answers

Below are the answers key for the Textbook Assignment: Chapter 1, "Turning to Electricity" from the Module 1 — Introduction to Matter, Energy, and Direct Current in Navy Electricity and Electronics Training Series (NEETS) . Make sure to familiarize each and every questions to increase the chance of passing the ECE Board Exam.

1. D.  Each of the above

2. A.  element

3. C.  A compound

4. A.  An element

5. B.  Electron

6. A.  Proton

7. D.  Neutron

8. B.  Photons

9. B.  The electron will jump to an orbit further from the nucleus

10. C.  Light energy is emitted

11. A.  Valence

12. D.  Ionized

13. C.  The number of free electrons

14. C.  Negative

15. B.  Friction between two insulators

16. A. Positive

17. D. Unlike charges attract each other, like charges repel each other

18. A. Electric field of force

19. B. Entering negative charge, leaving positive charge

20. C. High-fidelity speakers

21. C. Both A and B above

22. D. They are relatively easy to magnetize

23. A. Temporary

24. B. retentivity

25. D. Like poles repel, unlike poles attract

26. A. The geographic north pole

27. A. tiny molecular magnets

28. D. magnetized

29. A. The magnetic field

30. C. magnetic line of force

31. C. They cross each other at right angles

32. C. Soft iron

33. D. In pairs with a north pole and a south pole together

34. B. Energy

35. A. Kinetic

36. B. Potential

37. C. Both A and B above

38. B. 2100 V

39. D. All of the above

40. A. A voltage source

41. D. Each of the above

42. B. Pressure

43. A. Heat

44. D. Chemical action

45. C. Magnetism

46. D. Chemical action

47. A. Electrons moving from negative to positive

48. B. 186,000 miles per second

49. A. Current increases

50. C. 0.10 ampere

51. D. Ω

52. A. Aluminum

53. B. Copper

54. C. Cross-sectional area is decreased, length is increased

55. B. Negative

56. C. Zero

57. D. Ohm

58. B. A reciprocal relationship

59. D

60. A. By the wattage rating

61. C. The resistance value changes with age

62. D. Wirewound resistor

63. B. (a) Two (b) three

64. A. Rheostat

65. C. 33.0 kΩ

66. A. 682.5 kΩ to 617.5 kΩ

67. C. Yellow

68. C. 790 Ω

69. B. 5%

70. C. 0.01%

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