Chapter 7
Parallel Circuits 119
Current in a Parallel Circuit 120
Resistance in a Parallel Circuit 121
Voltage in a Parallel Circuit 123
Calculating Current 123
Capacitance in a Parallel Circuit 125
Uses for Parallel Circuits 126
Drawing Parallel Circuits 127
Parallel Power Sources 129
Equal Resistors in Parallel 129
Measuring Voltage in a Parallel
Circuit 131
Chapter 8
Series-Parallel Circuits 135
Lightning 135
Resistance in a Series-Parallel
Circuit 136
Circuit Analysis 139
Series-Parallel Capacitors 143
Ground 144
Voltage Divider 149
Wheatstone Bridge 151
Chapter 9
Multimeters 159
Analog Multimeters 160
Digital Multimeters 165
Accuracy of Readings 173
Chapter 10
Magnetism 177
Basic Principles of Magnetism 178
Magnetic Materials 179
Magnetic Lines of Force 180
Generating Electricity with
Magnetism 181
Creating Magnetism with Current 182
Chapter 11
Alternating Current 185
How AC Is Produced 186
Sine Waves 187
Square Waves 192
Sine Waves and Sound 193
Signal Generators 194
Oscilloscopes 196
Measuring Unknown Frequencies 198
Phase Relationship 203
Generators 204
Eddy Currents 206
Chapter 12
Electromagnetic Induction 211
Induced Voltage 212
Inductance 213
Inductors 215
Inductors in Series 219
Inductors in Parallel 219
Mutual Inductance 222
Transformers 223
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