NEETS Module 01 Assignment 3: Direct Current – Answers

Below are the answers key for the Textbook Assignment: Chapter 3, “Direct Current” 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. B. (a) Es (b) R1

2. D. Open

3. D. Schematic diagram

4. D. (a) Decrease (b) increase

5. A. (a) Increase (b) decrease

6. C. (E = IR)

7. B. 75 V

8. D. 40 A

9. A. Power

10. B. Current

11. D. Each of the above

12. C. 3 A

13. B. 240 W

14. B. Wirewound

15. A. 7.46 kWh

16. D. 0.785

17. C. 180 Ω

18. C. 540 V

19. C. 180 V

20. A. 120 V

21. B. The source voltage would have to be decreased

22. A. 240 W

23. A. 720 W

24. C. Negative

25. B. 25 V

26. C. 0.33 A from Y to X

27. A. Open

28. B. Short

29. A. R1 will be destroyed

30. A. 2.5 V

31. D. (a) 97.5 V (b) 97.5 V

32. A. Ri = RL

33. A. Equal

34. C. 50%

35. B. 60 V

36. D. (a) Equals (b) divides

37. D. It is leaving a junction

38. A. 100 Ω

39. B. 20 Ω

40. C. 30 Ω

41. D. Equivalent resistor

42. D. 120 V

43. B. 2 A

44. A. 8 Ω

45. C. 1.8 kW

46. D. 1200 W

47. B. 15 Ω

48. C. 60.0 W

49. B. 12 V

50. D. 15 Ω

51. C. 52 V

52. D. (a) Becomes infinite (b) Decreases to zero

53. A. (a) Increases (b) decreases

54. D. (a) Decreases (b) increases

55. D. (a) Decreases (b) increases

56. D. None

57. A. The current of the source

58. C. 30 mA

59. C. 5 k

60. B. 330 mA

61. C. The voltage drop across R1 depends on the value of load 1

62. A. By adding IR1and the current requirement of load 1

63. C. By subtracting the voltage requirement of load 1 from the voltage requirement of load 2

64.

65.

66. A. It provides the desired resistance with resistor values that are easily obtainable

67. A. ground between two of the dividing resistors

68. D. All voltages

69. B. Report the malfunction to a qualified technician

70. B. The first person on the scene

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