1. EET161 D.C. Principles of Electronics

2. Units to be measured and calculated VoltageVoltsV or E ResistanceOhmsR or Ω Current AmpsI or A

3. Units to be measured and calculated VoltageVolts or Resistance R or Ω AmpsI or A

4. Textbook https://facweb.northseattle.edu/djenkins/

5. Current set to about 0.50 Amps

6. Fluke Multimeter Power. Connect test leads. Set to DC. Set to V, mA or Ω. Range.

7. Get logged on to a computer in the lab.

8. Multisim

10. 2.2KΩ 2200.000000 324mA.324000 650µF.000650 12V 12.000000 1MΩ 1000000.000000

11. Helpful hints Please DO staple lab / experiments together. Please DO NOT staple multiple assignment together. µ

12. Put your name on all Labs/Experiments now. Need for equipment serial numbers on labs?

13. Chapter 1 Reading Reading assignment: Read Chapter 1

14. Lab 1 Math Review Do NOT do: Exponential Functions page 11 Numbers 34, 35, 36, 37 Algebraic Manipulations page 13 Numbers 40, 41

15. Lab 1 Math Review Do NOT do: Order of Operations page 15 – 20 Numbers 52 through 66

16. Graded and Recorded 10/10 8/10 Score Scored and recorded.

17. Multimeter VOMVolt Ohm Meter VOMVolt Ohm Miliamp Meter

18. Ohm’s Law page 39 - 40

19. Chapter 1 Basic Concepts of Electricity

20. The Atom ProtonsPositive charge NeutronsNeutral charge ElectronsNegative charge Page 6-7

21. Charge

22. Volt If a total of 1 joule (W) of energy is used to move the negative charge of 1 coulomb (Q), there is a difference of 1 volt (V) between the two points. V=W/Q we will use “V or E”

23. Voltage Applied voltage is the starting mechanism.

24. V or E Current is a reaction to the applied voltage. A or I

25. Voltage in an electronic circuit is the “pressure” and the current is the reaction to that pressure. There can be voltage without current but not current without voltage. There can be resistance without current or voltage. Resistance must be measured with the no voltage present.

27. Current may or may not be present in a circuit. Symbol for current through out the circuit.

28. Page 10 - 11 A thin, solid line is the conventional symbol for a continuous piece of wire. However, the flow will be interrupted if the conductive path formed by the wire is broken:

30. Page 27 A short circuit is an electric circuit offering little or no resistance to the flow of electrons. An open circuit is one where the continuity has been broken by an interruption in the path for electrons to flow.

31. The symbol for a resistor. Resistance is measured in Ohms. R or Ω

33. Resistance Ohms Opposition to the flow of charge through an electrical circuit, called resistance, has the units of ohms and uses the Greek letter omega (Ω) as its symbol.

34. TYPES OF RESISTORS

35. TYPES OF RESISTORS Fixed Resistors

36. COLOR CODING AND STANDARD RESISTOR VALUES

37. Now we have voltage, resistance, a complete circuit and current how do we measure them ?

38. DMM Digital Multi Meter VOM Volt Ohm Miliampmeter Analog meter Scope meter

39. Voltage is measured “across” a device in question. It must be on opposite ends or sides. V or E

40. Voltage is a specific measure of potential energy that is always relative between two points. Page 35 Without reference to two particular points, the term ”voltage” has no meaning.

41. 2 points with something in between to measure.

42. Two points means we use subscripts Without reference to two particular points, the term ”voltage” has no meaning.

43. V source = V AB = V R

44. Resistance is measured “across” a device in question. It must be on opposite ends or sides. R or Ω Voltage sources must be removed.

45. Current must be measured by “opening” the circuit and putting the meter in line or in “series” so that the current passes through the meter. A or I

46. Meter Dos and Don’ts Short the leads of the meter to verify it is working and to see how a short is indicated. Do not make resistance Ω measurements with power connected.

47. Fluke Multimeter Power. Connect test leads. Set to DC. Set to Ω. Range.

48. Resistors

49. Lab 2 Color Codes You must be able to distinguish colors.

50. Must have visual acuity, including ability to distinguish colors.

51. COLOR CODING FOR RESISTORS Textbook page 78

52. COLOR CODING AND STANDARD RESISTOR VALUES

54. Third band is black which is a Zero Multiplier [the number of zeros].

55. Ground or common is usually associated with the negative terminal of a DC power supply.

56. Ground or Common Unless otherwise noted the common lead of the meter is connected to the ground or common point of the circuit.

57. OHM’S LAW In electric circuits we are trying to establish the flow of current. The voltage, between two points is the cause (“pressure”), and the opposition is the resistance encountered. Textbook page 101 Chapter 4

58. Ohm’s Law page 40 Page 39 It is used so often in the study of electricity and electronics that it needs to be committed to memory by the serious student.

59. Reading for chapter 2

60. 2.6 Nonlinear conduction Page 53, 54, 55, 56 not needed for what we are doing. Quote from author: I just wanted to expose you to a little bit of the complexity of the real world, lest I give you the false impression that the whole of electrical phenomena could be summarized in a few simple equations.

61. Experiment / Lab 2 Resistor wattage does not matter. Page 24, Table 2.1: omit 6.8Ω resistor. Page 25, Table 2.3: omit VOM section, and any questions referencing VOMs. Page 27, Table 2.5: Omit Page 27, Table 2.6 scales are different than lab equipment. Page 28, Table 2.7 Omit