Báo cáo kết quả thí nghiệm lý thuyết mạch – et4020 bài 1 dc1 unit1 trainer familiarization

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ĐẠI HỌC BÁCH KHOA HÀ NỘITRƯỜNG ĐIỆN - ĐIỆN TỬ

TRUNG TÂM ĐÀO TẠO THỰC HÀNH ĐIỆN – ĐIỆN TỬ

BÁO CÁO KẾT QUẢ THÍ NGHIỆM

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Hà Nội, 2022

M C L CỤC LỤCỤC LỤC

BÀI 1: DC1-UNIT1. TRAINER FAMILIARIZATION...15

1.1. Unit Fundamentals... 15

1.2. Exercise 1: Instrument Familiarization... 15

1.2.1. Instrument Familiarization: Discussion...15

1.2.2. Instrument Familiarization: Procedure...15

1.2.3. Review Questions...16

1.3. Exercise 2: FACET® Base Unit Familiarization... 17

1.3.1. FACET® Base Unit Familiarization: Discussion...17

1.3.2. FACET® Base Unit Familiarization: Procedure...18

1.3.3. Review Questions...19

1.4. Exercise 3: DC Board Familiarization... 20

1.4.1. DC Board Familiarization: Discussion...20

1.4.2. DC Board Familiarization: Procedure...21

2.2. Exercise 1: Basic Safety Rules... 24

2.2.1. Basic Safety Rules: Discussion...24

2.2.2. Basic Safety Rules: Procedure...25

2.2.3. Review Questions...26

2.3. Exercise 2: Electrical Safety Rules... 27

2.3.1. Electrical Safety Rules: Discussion...27

2.3.2. Electrical Safety Rules: Procedure...28

2.3.3. Review Questions...29

2.4. Unit Test... 30

BÀI 3: DC1-UNIT3. ELECTRONIC QUANTITIES...31

3.1. Unit Fundamentals... 31

3.2. Exercise 1: Circuit Voltages... 31

3.2.1. Circuit Voltages: Discussion...31

3.2.2. Circuit Voltages: Procedure...32

3.2.3. Review Questions...33

3.3. Exercise 2: Circuit Current... 34

3.3.1. Circuit Current: Discussion...34

3.3.2. Circuit Current: Procedure...35

3.3.3. Review Questions...35

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3.4. Exercise 3: Circuit Resistance... 37

3.4.1. Circuit Resistance: Discussion...37

3.4.2. Circuit Resistance: Procedure...37

4.2. Exercise 1: Series and Parallel Battery Circuits... 40

4.2.1. Series and Parallel Battery Circuits: Discussion...40

4.2.2. Series and Parallel Battery Circuits: Procedure...41

4.2.3. Review Questions...41

4.3. Exercise 2: Series-Opposing DC Sources... 42

4.3.1. Series-Opposing DC Sources: Discussion...42

4.3.2. Series-Opposing DC Sources: Procedure...43

4.3.3. Review Questions...44

4.4. Unit Test... 45

BÀI 5: DC1-UNIT5. SWITCHES AND SWITCHING CONCEPTS...46

5.1. Unit Fundamentals... 46

5.2. Exercise 1: Identify Types of Switches... 46

5.2.1. Identify Types of Switches: Discussion...46

5.2.2. Identify Types of Switches: Procedure...47

5.2.4. Review Questions...47

5.3. Exercise 2: Switching Concepts... 49

5.3.1. Switching Concepts: Discussion...49

5.3.2. Switching Concepts: Procedure...49

5.3.3. Review Questions...50

5.4. Unit Test... 51

BÀI 6: DC1-UNIT6. OHM’S LAW...52

6.1. Unit Fundamentals... 52

6.2. Exercise 1: Ohm’s Law – Circuit Resistance... 52

6.2.1. Ohm’s Law – Circuit Resistance: Discussion...52

6.2.2. Ohm’s Law – Circuit Resistance: Procedure...53

6.2.4. Review Questions...53

6.3. Exercise 2: Ohm’s Law – Circuit Current... 54

6.3.1. Ohm’s Law – Circuit Current: Discussion...54

6.3.2. Ohm’s Law – Circuit Current: Procedure...55

6.3.3. Review Questions...56

6.4. Exercise 3: Ohm’s Law – Circuit Voltage... 57

6.4.1. Ohm’s Law – Circuit Voltage: Discussion...57

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6.4.2. Ohm’s Law – Circuit Voltage: Procedure...58

6.4.3. Review Questions...59

6.5. Unit Test... 60

BÀI 7: DC1- UNIT7. SERIES RESISTIVE CIRCUITS...61

7.1. Unit Fundamentals... 61

7.2. Exercise 1: Resistance in a Series Resistive Circuit... 61

7.2.1. Resistance in a Series Resistive Circuit: Discussion...61

7.2.2. Resistance in a Series Resistive Circuit: Procedure...62

7.2.3. Review Questions...62

7.3. Exercise 2: Current in a Series Resistive Circuit... 63

7.3.1. Current in a Series Resistive Circuit: Discussion...63

7.3.2. Current in a Series Resistive Circuit: Procedure...64

7.3.3. Review Questions...65

7.4. Exercise 3: Voltage in a Series Resistive Circuit... 66

7.4.1. Voltage in a Series Resistive Circuit: Discussion...66

7.4.2. Voltage in a Series Resistive Circuit: Procedure...67

7.4.3. Review Questions...68

7.5. Unit Test... 69

BÀI 8: DC1- UNIT8. PARALLEL RESISTIVE CIRCUITS...70

8.1. Unit Fundamentals... 70

8.2. Exercise 1: Resistance in a Parallel Resistive Circuit...70

8.2.1. Resistance in a Parallel Resistive Circuit: Discussion...70

8.2.2. Resistance in a Parallel Resistive Circuit: Procedure...71

8.2.3. Review Questions...71

8.3. Exercise 2: Voltage/Current in a Parallel Resistive Circuit...72

8.3.1. Voltage/Current in a Parallel Resistive Circuit: Discussion...72

8.3.2. Voltage/Current in a Parallel Resistive Circuit: Procedure...73

8.3.3. Review Questions...74

8.4. Unit Test... 75

BÀI 9: DC1- UNIT9. SERIES/PARALLEL RESISTIVE CIRCUITS...76

9.1. Unit Fundamentals... 76

9.2. Exercise 1: Resistance in a Series/Parallel Circuit... 76

9.2.1. Resistance in a Series/Parallel Circuit: Discussion...76

9.2.2. Resistance in a Series/Parallel Circuit: Procedure...77

9.2.3. Review Questions...77

9.3. Exercise 2: Voltage in a Series/Parallel Circuit... 78

9.3.1. Voltage in a Series/Parallel Circuit: Discussion...78

9.3.2. Voltage in a Series/Parallel Circuit: Procedure...79

9.3.3. Review Questions...79

9.4. Exercise 3: Current in a Series/Parallel Circuit... 80

9.4.1. Current in a Series/Parallel Circuit: Discussion...80

9.4.2. Current in a Series/Parallel Circuit: Procedure...81

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9.4.3. Review Questions...82

9.5. Unit Test... 83

BÀI 10: DC1- UNIT10. POWER IN DC CIRCUITS...84

10.1. Unit Fundamentals... 84

10.2. Exercise 1: Power in a Series Resistive Circuit... 84

10.2.1. Power in a Series Resistive Circuit: Discussion...84

10.2.2. Power in a Series Resistive Circuit: Procedure...85

10.2.3. Review Questions...85

10.3. Exercise 2: Power in a Parallel Resistive Circuit... 86

10.3.1. Power in a Parallel Resistive Circuit: Discussion...86

10.3.2. Power in a Parallel Resistive Circuit: Procedure...87

10.3.3. Review Questions...88

10.4. Exercise 3: Power in a Series/Parallel Circuit... 89

10.4.1. Power in a Series/Parallel Circuit: Discussion...89

10.4.2. Power in a Series/Parallel Circuit: Procedure...89

10.4.3. Review Questions...90

10.5. Unit Test... 91

BÀI 11: DC1- UNIT11. POTENTIOMETERS AND RHEOSTATS...92

11.1. Unit Fundamentals... 92

11.2. Exercise 1: The Rheostat... 92

11.2.1. The Rheostat: Discussion...92

11.2.2. The Rheostat: Procedure...93

11.2.3. Review Questions...93

11.3. Exercise 2: The Potentiometer... 94

11.3.1. The Potentiometer: Discussion...94

11.3.2. The Potentiometer: Procedure...95

11.3.3. Review Questions...96

11.4. Unit Test... 97

BÀI 12: DC1- UNIT12. VOLTAGE AND CURRENT DIVIDER CIRCUITS...98

12.1. Unit Fundamentals... 98

12.2. Exercise 1: Voltage Dividers... 98

12.2.1. Voltage Dividers: Discussion...98

12.2.2. Voltage Dividers: Procedure...99

12.2.3. Review Questions...99

12.3. Exercise 2: Current Dividers... 100

12.3.1. Current Dividers: Discussion...100

12.3.2. Current Dividers: Procedure...101

12.3.3. Review Questions...102

12.4. Exercise 3: Loading Voltage/Current Dividers...103

12.4.1. Loading Voltage/Current Dividers: Discussion...103

12.4.2. Loading Voltage/Current Dividers: Procedure...104

12.4.3. Review Questions...105

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12.5. Unit Test... 106

BÀI 13: DC1- UNIT13. DIRECT CURRENT METERS...107

13.1. Unit Fundamentals... 107

13.2. Exercise 1: The DC Ammeter... 107

13.2.1. The DC Ammeter: Discussion...107

13.2.2. The DC Ammeter: Procedure...108

13.2.3. Review Questions...108

13.3. Exercise 2: The DC Ohmmeter... 109

13.3.1. The DC Ohmmeter: Discussion...109

13.3.2. The DC Ohmmeter: Procedure...110

13.3.3. Review Questions...111

13.4. Exercise 3: The DC Voltmeter... 112

13.4.1. The DC Voltmeter: Discussion...112

13.4.2. The DC Voltmeter: Procedure...113

13.4.3. Review Questions...114

13.5. Unit Test... 115

BÀI 14: DC2- UNIT1. DC NETWORK THEOREMS...116

14.1. Unit Fundamentals... 116

14.2. Exercise 1: Component Location/Identification... 116

14.2.1. Component Location/Identification: Discussion...116

14.2.2. Component Location/Identification: Procedure...116

14.2.3. Review Questions...116

14.3. Exercise 2: Circuit Board Operation... 117

14.3.1. Circuit Board Operation: Discussion...117

14.3.2. Circuit Board Operation: Procedure...117

14.3.3. Review Questions...117

14.4. Unit Test... 118

BÀI 15: DC2- UNIT2. KIRCHHOFF’S CURRENT LAW...119

15.1. Unit Fundamentals... 119

15.2. Exercise 1: Current in a Branch Circuit... 119

15.2.1. Current in a Branch Circuit: Discussion...119

15.2.2. Current in a Branch Circuit: Procedure...119

15.2.3. Review Questions...119

15.3. Exercise 2: Node Currents in a Branch Circuit... 120

15.3.1. Node Currents in a Branch Circuit: Discussion...120

15.3.2. Node Currents in a Branch Circuit: Procedure...120

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16.2.1. 3-Element Series Voltages: Discussion...122

16.2.2. 3-Element Series Voltages: Procedure...122

16.2.3. Review Questions...122

16.3. Exercise 2: Algebraic Sum of Series Voltages... 122

16.3.1. Algebraic Sum of Series Voltages: Discussion...122

16.3.2. Algebraic Sum of Series Voltages: Procedure...122

16.3.3. Review Questions...122

16.4. Unit Test... 122

BÀI 17: DC2- UNIT4. KIRCHHOFF’S LOOP EQUATIONS...123

17.1. Unit Fundamentals... 123

17.2. Exercise 1: Loop Equations... 123

17.2.1. Loop Equations: Discussion...123

17.2.2. Loop Equations: Procedure...123

17.2.3. Review Questions...123

17.3. Exercise 2: Node Equations... 123

17.3.1. Node Equations: Discussion...123

17.3.2. Node Equations: Procedure...123

18.2. Exercise 1: Kirchhoff’s Voltage Law/2 Sources...124

18.2.1. Kirchhoff’s Voltage Law/2 Sources: Discussion...124

18.2.2. Kirchhoff’s Voltage Law/2 Sources: Procedure...124

18.2.3. Review Questions...124

18.3. Exercise 2: Kirchhoff’s Current Law/2 Sources...124

18.3.1. Kirchhoff’s Current Law/2 Sources: Discussion...124

18.3.2. Kirchhoff’s Current Law/2 Sources: Procedure...124

18.3.3. Review Questions...124

18.4. Exercise 3: Mesh Solution with 2 Sources... 124

18.4.1. Mesh Solution with 2 Sources: Discussion...124

18.4.2. Mesh Solution with 2 Sources: Procedure...124

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19.2.2. Superposition Theorem: Procedure...125

19.2.3. Review Questions...125

19.3. Exercise 2: Millman’s Theorem... 125

19.3.1. Millman’s Theorem: Discussion...125

19.3.2. Millman’s Theorem: Procedure...125

19.3.3. Review Questions...125

19.4. Unit Test... 125

BÀI 20: DC2- UNIT7. THEVENIN CIRCUITS...126

20.1. Unit Fundamentals... 126

20.2. Exercise 1: Thevenizing a Single Source Network...126

20.2.1. Thevenizing a Single Source Network: Discussion...126

20.2.2. Thevenizing a Single Source Network: Procedure...126

20.2.3. Review Questions...126

20.3. Exercise 2: Thevenizing a Dual Source Network...126

20.3.1. Thevenizing a Dual Source Network: Discussion...126

20.3.2. Thevenizing a Dual Source Network: Procedure...126

21.2. Exercise 1: Bridge Circuit Resistance... 127

21.2.1. Bridge Circuit Resistance: Discussion...127

21.2.2. Bridge Circuit Resistance: Procedure...127

21.2.3. Review Questions...127

21.3. Exercise 2: Thevenizing Bridge Circuit Voltage... 127

21.3.1. Thevenizing Bridge Circuit Voltage: Discussion...127

21.3.2. Thevenizing Bridge Circuit Voltage: Procedure...127

22.2. Exercise 1: Thevenin to Norton Conversion... 128

22.2.1. Thevenin to Norton Conversion: Discussion...128

22.2.2. Thevenin to Norton Conversion: Procedure...128

22.2.3. Review Questions...128

22.3. Exercise 2: Norton to Thevenin Conversion... 128

22.3.1. Norton to Thevenin Conversion: Discussion...128

22.3.2. Norton to Thevenin Conversion: Procedure...128

22.3.3. Review Questions...128

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22.4. Unit Test... 128

BÀI 23: DC2- UNIT10. DELTA AND WYE NETWORKS...129

23.1. Unit Fundamentals... 129

23.2. Exercise 1: Tee/Wye and Pi/Delta Networks... 129

23.2.1. Tee/Wye and Pi/Delta Networks: Discussion...129

23.2.2. Tee/Wye and Pi/Delta Networks: Procedure...129

23.2.3. Review Questions...129

23.3. Exercise 2: Delta and Wye Transformations... 129

23.3.1. Delta and Wye Transformations: Discussion...129

23.3.2. Delta and Wye Transformations: Procedure...129

24.2. Exercise 1: AC Waveform Generator Familiarization...130

24.2.1. AC Waveform Generator Familiarization: Discussion...130

24.2.2. AC Waveform Generator Familiarization: Procedure...130

24.2.3. Review Questions...130

24.3. Exercise 2: Generator Impedance... 130

24.3.1. Generator Impedance: Discussion...130

24.3.2. Generator Impedance: Procedure...130

24.3.3. Review Questions...130

24.4. Unit Test... 130

BÀI 25: AC1- UNIT2. AC MEASUREMENTS...131

25.1. Unit Fundamentals... 131

25.2. Exercise 1: AC Amplitude Measurement... 131

25.2.1. AC Amplitude Measurement: Discussion...131

25.2.2. AC Amplitude Measurement: Procedure...131

25.2.3. Review Questions...131

25.3. Exercise 2: Measuring with an Oscilloscope...131

25.3.1. Measuring with an Oscilloscope: Discussion...131

25.3.2. Measuring with an Oscilloscope: Procedure...131

25.3.3. Review Questions...131

25.4. Exercise 3: Measuring and Setting Frequency...131

25.4.1. Measuring and Setting Frequency: Discussion...131

25.4.2. Measuring and Setting Frequency: Procedure...131

25.4.3. Review Questions...131

25.5. Exercise 4: Phase Angle... 131

25.5.1. Phase Angle: Discussion...131

25.5.2. Phase Angle: Procedure...131

25.5.3. Review Questions...131

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26.3. Exercise 2: Inductors in Series and in Parallel... 132

26.3.1. Inductors in Series and in Parallel: Discussion...132

26.3.2. Inductors in Series and in Parallel: Procedure...132

26.3.3. Review Questions...132

26.4. Unit Test... 132

BÀI 27: AC1- UNIT4. INDUCTIVE REACTANCE...133

27.1. Unit Fundamentals... 133

27.2. Exercise 1: Inductive Reactance... 133

27.2.1. Inductive Reactance: Discussion...133

27.2.2. Inductive Reactance: Procedure...133

27.2.3. Review Questions...133

27.3. Exercise 2: Series RL Circuits... 133

27.3.1. Series RL Circuits: Discussion...133

27.3.2. Series RL Circuits: Procedure...133

27.3.3. Review Questions...133

27.4. Exercise 3: Parallel RL Circuits... 133

27.4.1. Parallel RL Circuits: Discussion...133

27.4.2. Parallel RL Circuits: Procedure...133

28.2. Exercise 1: Transformer Windings... 134

28.2.1. Transformer Windings: Discussion...134

28.2.2. Transformer Windings: Procedure...134

28.2.3. Review Questions...134

28.3. Exercise 2: Mutual Inductance... 134

28.3.1. Mutual Inductance: Discussion...134

28.3.2. Mutual Inductance: Procedure...134

28.3.3. Review Questions...134

28.4. Exercise 3: Transformer Turns and Voltage Ratios...134

28.4.1. Transformer Turns and Voltage Ratios: Discussion...134

28.4.2. Transformer Turns and Voltage Ratios: Procedure...134

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28.4.3. Review Questions...134

28.5. Exercise 4: Transformer Secondary Loading...134

28.5.1. Transformer Secondary Loading: Discussion...134

28.5.2. Transformer Secondary Loading: Procedure...134

29.3. Exercise 2: Capacitors in Series and in Parallel... 135

29.3.1. Capacitors in Series and in Parallel: Discussion...135

29.3.2. Capacitors in Series and in Parallel: Procedure...135

29.3.3. Review Questions...135

29.4. Unit Test... 135

BÀI 30: AC1- UNIT7. CAPACITIVE REACTANCE...136

30.1. Unit Fundamentals... 136

30.2. Exercise 1: Capacitive Reactance... 136

30.2.1. Capacitive Reactance: Discussion...136

30.2.2. Capacitive Reactance: Procedure...136

30.2.3. Review Questions...136

30.3. Exercise 2: Series RC Circuits... 136

30.3.1. Series RC Circuits: Discussion...136

30.3.2. Series RC Circuits: Procedure...136

30.3.3. Review Questions...136

30.4. Exercise 3: Parallel RC Circuits... 136

30.4.1. Parallel RC Circuits: Discussion...136

30.4.2. Parallel RC Circuits: Procedure...136

31.2. Exercise 1: RC Time Constants... 137

31.2.1. RC Time Constants: Discussion...137

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31.2.2. RC Time Constants: Procedure...137

31.2.3. Review Questions...137

31.3. Exercise 2: RC and RL Wave Shapes... 137

31.3.1. RC and RL Wave Shapes: Discussion...137

31.3.2. RC and RL Wave Shapes: Procedure...137

32.2. Exercise 1: Series RLC Circuits... 138

32.2.1. Series RLC Circuits: Discussion...138

32.2.2. Series RLC Circuits: Procedure...138

32.2.3. Review Questions...138

32.3. Exercise 2: Parallel RLC Circuits... 138

32.3.1. Parallel RLC Circuits: Discussion...138

32.3.2. Parallel RLC Circuits: Procedure...138

32.3.3. Review Questions...138

32.4. Unit Test... 138

BÀI 33: AC2- UNIT2. SERIES RESONANCE...139

33.1. Unit Fundamentals... 139

33.2. Exercise 1: Series Resonant Circuits... 139

33.2.1. Series Resonant Circuits: Discussion...139

33.2.2. Series Resonant Circuits: Procedure...139

33.2.3. Review Questions...139

33.3. Exercise 2: Q and Bandwidth of a Series RLC Circuit...139

33.3.1. Q and Bandwidth of a Series RLC Circuit: Discussion...139

33.3.2. Q and Bandwidth of a Series RLC Circuit: Procedure...139

34.2. Exercise 1: Parallel Resonant Circuits... 140

34.2.1. Parallel Resonant Circuits: Discussion...140

34.2.2. Parallel Resonant Circuits: Procedure...140

34.2.3. Review Questions...140

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34.3. Exercise 2: Q and Bandwidth... 140

34.3.1. Q and Bandwidth: Discussion...140

34.3.2. Q and Bandwidth: Procedure...140

35.2. Exercise 1: Power Division... 141

35.2.1. Power Division: Discussion...141

35.2.2. Power Division: Procedure...141

35.2.3. Review Questions...141

35.3. Exercise 2: Power Factor... 141

35.3.1. Power Factor: Discussion...141

35.3.2. Power Factor: Procedure...141

35.3.3. Review Questions...141

35.4. Unit Test... 141

BÀI 36: AC2- UNIT5. LOW- AND HIGH-PASS FILTERS...142

36.1. Unit Fundamentals... 142

36.2. Exercise 1: Low-Pass Filters... 142

36.2.1. Low-Pass Filters: Discussion...142

36.2.2. Low-Pass Filters: Procedure...142

36.2.3. Review Questions...142

36.3. Exercise 2: High-Pass Filters... 142

36.3.1. High-Pass Filters: Discussion...142

36.3.2. High-Pass Filters: Procedure...142

37.2. Exercise 1: BandPass Filters... 143

37.2.1. BandPass Filters: Discussion...143

37.2.2. BandPass Filters: Procedure...143

37.2.3. Review Questions...143

37.3. Exercise 2: BandStop Filters... 143

37.3.1. BandStop Filters: Discussion...143

37.3.2. BandStop Filters: Procedure...143

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GI I THI UỚI THIỆUỆU

Tài liệu này ghi nhận các kết quả thí nghiệm của sinh viên dựa trên quá trình làm việc thực tế với bo mạch và các thiết bị thí nghiệm.

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BÀI 1: DC1-UNIT1. Trainer Familiarization

ned or closed, provided you apply sufficient force.

1.2. Exercise 1: Instrument Familiarization1.2.1. Instrument Familiarization: Discussion

 1. Make sure of the following: DC Fundamentals circuit board is inserted into the base unit. Base unit’s AC power cord is plugged in and the power switch is on. Both LEDs, located above the control knobs of the negative and positive variable supplies, should be on.

 1. Turn on your multimeter. Select the dc function. If your meter does not have an autorange, use a range of 20V full scale or greater.

 1. Locate the SERIES CIRCUIT block. Connect the red and black leads of your multimeter to the power source: red to the long line on the power source symbol and

Choose Answer:

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black to the bottom short line. 4.

 1. Your meter should read about 15 Vdc. 5.

 1. Based on your meter indication, what is the polarity of your power supply voltage? For an analog meter, base your answer on the connections. For a digital meter, base your answer on whether or not a sign is displayed.

 1. If you have a digital multimeter, reverse the multimeter test leads connected to your power supply. Observe the multimeter reading and polarity indication. NOTE: If you have an analog multimeter, reverse the meter test leads at the power source and also at the meter terminals. Power Source – black to the long line on the power source symbol and red to the bottom short line. Meter terminals – Red to the minus and black to the positive.

 1. Is the numerical value of your voltage reading on the multimeter affected by the test lead placement?

 1. Is the polarity indication of your meter affected by the test lead placement? NOTE: The analog meter does not show an obvious polarity change because you reverse the test leads at the meter terminals. Without this change, the pointer would have “pegged” against the meter stop in a reverse direction. This action indicates incorrect polarity in an

 1. Should you be concerned with the exact polarity of a voltage reading before you connect your multimeter into the circuit?

Choose Answer:

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ce loose components in the circuit.

3. When both LEDs on the base unit are on, it indicates that the:

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e unit is connected to one of the computer serial ports.

j...AC power cord is plugged in and the power switch is on.

4. A dc power supply can be: positive or negative supply as selected by the variable control.

5. The multimeter used with the FACET® program must be able to measure log, digital, and autorange.

1.3. Exercise 2: FACET® Base Unit Familiarization1.3.1. FACET® Base Unit Familiarization: Discussion

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overvoltage and/or short circuit condition on a circuit board.

 1. Proper electrical connections between the base unit and a circuit board require that the ZIF connector be her open or closed.

1.3.2. FACET® Base Unit Familiarization: Procedure

 1. Locate the OHM’S LAW circuit block on the DC FUNDAMENTALS circuit board. Do not use a two-post connector to complete the circuit.

 1. Select the dc volts function on your multimeter, and connect test leads to the meter to measure voltage. NOTE: Place the black test lead to the meter common terminal and place the red test lead to the meter volts (or Vdc) input terminal.

 1. Connect your multimeter across the variable power source. Place the red test lead at the top and the black lead at the bottom. NOTE: If your test leads have alligator

Choose Answer:

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connectors, insert a terminal post into the OHM’S LAW circuit block connectors and attach your alligator leads to the posts.

 1. Which variable power supply control(s) do you use to initially adjust the OHM’S LAW circuit block voltage?

 1. Use the positive COARSE and FINE controls to adjust the circuit voltage to 10.0 Vdc. Note how the FINE control allows a precise voltage adjustment.

 1. Set the FINE control to its approximate midpoint. Adjust the COARSE control for a voltage reading of about 5 Vdc. Use the FINE control to set a precise circuit voltage of 5.00 Vdc (on an analog meter, ensure that your reading is about 5 Vdc).

 1. Which procedure allows you to set a circuit voltage precisely?

a...Fir st set the FINE control to the approximate voltage. Then use the COARSE control to determine the precise circuit voltage.

b...Fir st set the COARSE control to the approximate voltage. Then use the FINE control to determine the precise circuit voltage.

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s...pos itive power source cannot be changed.

2. The variable power source on the OHM’S LAW circuit block of the DC FUNDAMENTALS circuit board is controlled by the the resistor components R1 and R2.

3. To change the value of the positive power source in the OHM’S LAW circuit block itive source is variable only to 6.0 Vdc.

4. A circuit board is inserted into the base unit when the

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5. The variable power sources in the OHM’S LAW and BATTERIES circuit blocks read approximately 0V and cannot be adjusted. You find that the cause is the ative supply controls are in the CCW position.

1.4. Exercise 3: DC Board Familiarization1.4.1. DC Board Familiarization: Discussion

 1. Locate the SWITCHES circuit block on the DC FUNDAMENTALS circuit. A two-post connector inserted at the S1 test points NEAR/NONLINEAR VARIABLE RESISTOR circuit block

1.4.2. DC Board Familiarization: Procedure

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 1. Connect the circuit shown. Vary the positive variable power supply controls (on the Base Unit) fully CW, then CCW. The two-post connector

 1. Monitor your voltmeter as you vary the positive variable supply controls (on the base unit). LED brightness varies from the yellow LED to the green LED as the supply control is varied. Remove the two-post connector and repeat step 4.

 1. Based on your circuit observations, what is the relationship between the two-post connector, the circuit, and the meter?

 1. Remove the volmeter leads from the circuit. Set your multimeter to read current. Use a current range of 200 milliamperes, or 200 mA (full scale).

 1. Connect your ammeter as shown. Monitor your ammeter as you vary the positive supply controls. NOTE: LEDs brightness should vary and the magnitude and polarity of the current reading changes. If not, check your meter setup. Ask your instructor for help if you are having problems.

 1. Your circuit does not use a two-post connector, yet the LED brightness and meter readings indicate a complete circuit. Why?

Choose Answer:

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e ammeter takes the place of a two-post connector and breaks the circuit. asure circuit current.

3. The VOLTMETER/AMMETER/OHMMETER circuit block is used to

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mm...exp lore how a meter measures electronic quantities.

nn...me asure electronic quantities with a digital meter.

4. When you measure circuit current, the cuit current flows through the multimeter.

5. In the FACET® program, current measurements will be mostly in what range?

1. The FACET® base unit provides for protection against a. overvoltage and power connection.

b. overvoltage, overcurrent, and reverse-power connection. c. overcurrent and reverse-power connection.

d. overcurrent and power connection.

Choose Answer:

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2. The parameters of circuit blocks can be altered by a. inserting a fault via the base unit.

b. adjusting the variable power source.

c. inserting a circuit modification via the base unit.

d. inserting loose components into circuits at designated test points.

3. The DC FUNDAMENTALS circuit board is properly connected to the base unit when the

a. ZIF connector knob is fully CCW. b. ZIF connector knob is fully CW.

c. ±15 Vdc power source is connected to the base unit. d. power supply LEDs are illuminated.

4. The multimeter dc voltage function is selected by the a. range switch.

b. automatic voltage selection circuit.

c. VOLTMETER circuit block on the DC FUNDAMENTALS circuit board. d. person using the multimeter.

5. The variable power source in the OHM’S LAW circuit block on the DC FUNDAMENTALS circuit board is adjusted by the

a. positive supply control on the base unit. b. negative supply control on the base unit. c. –15 Vdc control on the power supply. d. +15 Vdc control on the power supply.

6. On the DC FUNDAMENTALS circuit board, test points separated by dashed lines are a. used to measure voltage.

b. for inserting loose components.

c. used to energize the associated circuit. d. for measuring the resistance of the circuit.

Choose Answer:

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7. When measuring circuit current, the ammeter is connected a. across the component.

b. to read a portion of the current.

c. so all circuit current flows through the ammeter. d. parallel to the circuit to read all the circuit current.

8. The arrow through a battery symbol indicates a. the direction of current flow.

b. the positive terminal. c. the negative terminal. d. a variable source output.

9. The symbol shown here represents a

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BÀI 2: DC1-UNIT2. Safety

2.1. Unit Fundamentals

2.2. Exercise 1: Basic Safety Rules2.2.1. Basic Safety Rules: Discussion2.2.2. Basic Safety Rules: Procedure

aring safety glasses.

2. When you follow safety rules, you will vent injury or accidents.

3. When you need to use a power tool you should

a...bor row one from a fellow student.

Choose Answer:

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the tool when the instructor is not present.

4. A student has cut his hand during the experiment. The student should ort the injury and get medical attention.

5. Safety rules are most effective y when you are working with electrical power equipment.

2.3. Exercise 2: Electrical Safety Rules2.3.1. Electrical Safety Rules: Discussion2.3.2. Electrical Safety Rules: Procedure

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of the above are correct.

3. You should never touch live wires with your bare hands because you lower the circuit resistance.

4. To be sure that power is removed from a circuit, you should

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uuu...re move the circuit from the equipment.

5. Using PPE and insulated tools are important safety measures because they

1. One cause of workplace accidents is a. proper use of tools.

b. clean work areas.

c. becoming distracted while working. d. wearing safety glasses.

2. When you follow safety rules, you will a. be able to work independently b. finish a job quickly.

c. eliminate all workplace hazards. d. prevent injury or accidents.

3. When you need to use a power tool you should a. borrow one from a fellow student.

b. get the instructor’s approval first. c. use any tool that is not being used.

d. use the tool when the instructor is not present.

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4. A student has cut his hand during the experiment. The student should a. continue working on the experiment.

b. cover the cut and continue working. c. leave the room to get medical attention. d. report the injury and get medical attention.

5. Safety rules are most effective

a. if you use them every time you work with equipment. b. only when you notice some type of hazard is present. c. when you work independently.

d. only when you are working with electrical power equipment.

6. When a person comes into contact with an energized circuit, he or she may receive a. an electrical short.

b. an electrical shock. c. a burning sensation. d. a loss of conductivity.

7. You should always remove power cords from the socket by the plug to prevent a. the wires from fraying.

b. the plug from cracking. c. an electrical shock.

d. All of the above are correct.

8. You should never touch live wires with your bare hands because you a. may break the wires.

b. may damage the circuit.

c. could receive an electrical shock. d. can lower the circuit resistance.

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9. To be sure that power is removed from a circuit, you should a. turn the power switch to the off position.

b. check the circuit with a meter.

c. have a friend check that the power switch is in the off position. d. remove the circuit from the equipment.

10. Using PPE and insulated tools are important safety measures because they a. remove all risk of electric shock.

b. increase the risk of electric shock.

c. stop electricity from flowing through your body. d. provide a barrier between you and live circuits.

Choose Answer:

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BÀI 3: DC1-UNIT3. Electronic Quantities

3.2. Exercise 1: Circuit Voltages3.2.1. Circuit Voltages: Discussion

ike charges repel each other.

3.2.2. Circuit Voltages: Procedure

 1. Locate the SERIES CIRCUIT circuit block, and connect the circuit shown. 2.

 1. Refer to your SERIES CIRCUIT circuit block. How should you connect your voltmeter to read the source voltage and indicate its correct polarity?

a...Co nnect the common side (-) of your meter to the negative terminal of the voltage source and the positive side (+) to the positive terminal of the voltage source.

b...Co nnect the common side (-) of your meter to the positive terminal of the voltage source and the positive side (+) to the negative terminal of the voltage source.

Choose Answer:

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nnect both meter terminals to the negative terminal of the voltage source.

 1. Connect your voltage meter across the voltage source of your circuit (SERIES CIRCUIT circuit block). Based on your observation, your meter indicates

 1. Reverse the meter connections (black lead to the positive terminal of the voltage source). Based on your observation, your meter reads

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zzz...me asured with an ammeter.

aaaa...me asured with an ohmmeter.

2. Potential difference is measured with a(n)

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mbination of positive and negative charges.

3.3. Exercise 2: Circuit Current3.3.1. Circuit Current: Discussion

 1. Adjust the positive variable supply controls (on the base unit) for a reading of about 0V. The positive variable supply has FINE and COARSE adjustments. The controls allow you to set exact voltage values between 0V and +10V.

 1. Remove the voltmeter from your circuit. Select dc milliamps and a low value mA full scale range on your multimeter. Connect the ammeter as shown in the circuit. Observe proper polarity for your meter connection.

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 1. Adjust the positive supply controls until the ammeter reads 1.0. Does this reading indicate that circuit current is 1A or 1 mA?

 1. Monitor the current in your circuit as you adjust the positive supply voltage controls from minimum to maximum.

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Báo cáo kết quả thí nghiệm lý thuyết mạch – et4020 bài 1 dc1 unit1 trainer familiarization

<b>ĐẠI HỌC BÁCH KHOA HÀ NỘITRƯỜNG ĐIỆN - ĐIỆN TỬ</b>

<b>TRUNG TÂM ĐÀO TẠO THỰC HÀNH ĐIỆN – ĐIỆN TỬ</b>

<b>BÁO CÁO KẾT QUẢ THÍ NGHIỆM </b>

<b>M C L CỤC LỤCỤC LỤC</b>

<b>GI I THI UỚI THIỆUỆU</b>

<b>BÀI 1: DC1-UNIT1. Trainer Familiarization</b>

<b>1.2. Exercise 1: Instrument Familiarization1.2.1. Instrument Familiarization: Discussion</b>

<b>1.3. Exercise 2: FACET® Base Unit Familiarization1.3.1. FACET® Base Unit Familiarization: Discussion</b>

<b>1.3.2. FACET® Base Unit Familiarization: Procedure</b>

<b>1.4. Exercise 3: DC Board Familiarization1.4.1. DC Board Familiarization: Discussion</b>

<b>1.4.2. DC Board Familiarization: Procedure</b>

<b>BÀI 2: DC1-UNIT2. Safety</b>

<b>2.1. Unit Fundamentals</b>

<b>2.2. Exercise 1: Basic Safety Rules2.2.1. Basic Safety Rules: Discussion2.2.2. Basic Safety Rules: Procedure</b>

<b>2.3. Exercise 2: Electrical Safety Rules2.3.1. Electrical Safety Rules: Discussion2.3.2. Electrical Safety Rules: Procedure</b>

<b>BÀI 3: DC1-UNIT3. Electronic Quantities</b>

<b>3.2. Exercise 1: Circuit Voltages3.2.1. Circuit Voltages: Discussion</b>

<b>3.2.2. Circuit Voltages: Procedure</b>

<b>3.3. Exercise 2: Circuit Current3.3.1. Circuit Current: Discussion</b>

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