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Chapter 1Circuit Elements and Circuit Variables101

1.1Common Circuit Variables101

1.1.1Electric charge101

1.1.2Voltage102

1.1.3Current102

1.1.4Power and energy103

1.2Basic circuit element105

1.2.1Resistor105

1.2.2Capacitor106

1.2.3Inductor107

1.2.4Independent voltage source and independent current source109

1.2.5Dependent source110

1.3Exercises111

Chapter 2Basic Circuit Analysis Method114

2.1Node, branch and mesh114

2.2Kirchhoff¡¯s circuit law 116

2.3Seriesª²parallel combinations of resistors119

2.42bª²method123

2.5Node voltage method125

2.6Mesh current method128

2.7Exercises131

Chapter 3Circuit Theorem137

3.1Superposition theorem137

3.2Source transformations139

3.3Thevenin theorem and Norton theorem143

3.4Maximum power transfer theorem145

3.5Exercises147

Chapter 4RC Circuit and RL Circuit153

4.1Firstª²order circuits153

4.2Capacitor155

4.3Switching rule156

4.4Firstª²order circuit157

4.5Zeroª²input response of RL and RC circuit158

4.5.1Zeroª²input response of RC circuit158

4.5.2Zeroª²input response of RL circuit160

4.6Zeroª²state response of RL and RC circuit162

4.6.1Zeroª²state response of RL circuit162

4.6.2Zeroª²state response of RC circuit163

4.7Complete response and three element method for RL and RC circuit164

4.8Exercises167

Chapter 5Sinusoidal Steadyª²State Analysis173

5.1Sinusoidal function173

5.2Sinusoidal response174

5.3The phasor175

5.3.1Phasor transformation175

5.3.2Inverse phasor transformation176

5.3.3Basic operations of phasors176

5.4Passive circuit elements in phasor177

5.5VCR of circuit element in phasor179

5.5.1VCR of resistor in phasor179

5.5.2VCR of capacitor in phasor179

5.5.3VCR of inductor in phasor179

5.6Kirchhoff¡¯s Law in phasor180

5.6.1KCL in phasor180

5.6.2KVL in phasor 181

5.7Circuit simplifications in phasor181

5.7.1Impedances in series and parallel181

5.7.2Source transformations in phasor, Thevenin theorem in phasor

and Norton theorem182

5.8Basic circuit analysis methods in phasor 183

5.8.1Node voltage method in phasor183

5.8.2Mesh current method in phasor184

5.9Power calculation185

5.10Maximum power transfer theorem in phasor187

5.11Exercises188

Chapter 6Experiment193

6.1Basic electronic measuring devices193

6.1.1Multiª²meter193

6.1.2DC power supply194

6.1.3Resistor and slide rheostat194

6.1.4Capacitor and inductor195

6.1.5Oscilloscope195

6.1.6Digital signal generator195

6.2The introduction of circuit simulation software196

6.3Experiment instances196

6.3.1DC characteristics of resistors196

6.3.2verification for Kirchhoff ¡¯s laws199

6.3.3RC circuit and RL circuit201

6.3.4Verification for Thevenin theorem204