Schaum's Outline of Basic Electricity, 2nd edition Book

The Nature of Electricity     1
Structure of the Atom     1
The Electric Charge     3
The Coulomb     4
The Electrostatic Field     4
Potential Difference     5
Current     5
Current Flow     6
Sources of Electricity     7
Direct and Alternating Currents and Voltages     8
Electrical Standards and Conventions Units     15
Introduction     15
Metric Prefixes     15
Powers of 10     16
Scientific Notation     20
Rounding Off Numbers     20
Graphical Symbols and Electrical Diagrams
Schematic Diagram     27
One-Line Diagram     30
Block Diagram     30
Wiring Diagram     32
Electrical Plan     32
Ohm's Law and Power     39
The Electric Circuit     39
Resistance     40
Fixed Resistors     40
Variable Resistors     41
Ohm's Law     42
Electric Power     43
Horsepower     44
Electric Energy     45
Direct-Current Series Circuits     52
Voltage, Current, and Resistance in Series Circuits     52
Polarity of Voltage Drops     55
Conductors     56
Total Power in a Series Circuit     60
Voltage Drop by Proportional Parts     61
Direct-Current Parallel Circuits     75
Voltage and Current in a Parallel Circuit     75
Resistances in Parallel     77
Open and Short Circuits     80
Division of Current in Two Parallel Branches     82
Conductances in Parallel     83
Power in Parallel Circuits     84
Batteries     97
The Voltaic Cell     97
Series and Parallel Cells     98
Primary and Secondary Cells     99
Types of Batteries     99
Battery Characteristics     103
Kirchhoff's Laws     110
Kirchhoff's Voltage Law (KVL)     110
Kirchhoff's Current Law (KCL)     112
Mesh Currents     114
Node Voltages     116
Determinant Solutions for DC Networks     128
Second-Order Determinants     128
Third-Order Determinants     128
Cramer's Rule     130
Determinant Method for Solving Currents in a Two-Mesh Network     135
Determinant Method for Solving Currents in a Three-Mesh Network     136
Network Calculations     153
Y and Delta Networks     153
Superposition     157
Thevenin's Theorem     159
Norton's Theorem     161
Series-Parallel Circuits     164
Wheatstone Bridge Circuit     166
Maximum Power Transfer     167
Line-Drop Calculations     168
Three-Wire Distribution Systems     170
Magnetism and Electromagnetism     205
The Nature of Magnetism     205
Magnetic Materials     206
Electromagnetism     207
Magnetic Units     210
BH Magnetization Curve     212
Magnetic Circuits     213
Electromagnetic Induction     215
International System of Units     218
Direct-Current Generators and Motors     229
Motors and Generators     229
Simple DC Generator     230
Armature Windings     231
Field Excitation     232
DC Generator Equivalent Circuit     233
Generator Voltage Equations and Voltage Regulation     234
Losses and Efficiency of a DC Machine     235
Direct-Current Motor     236
DC Motor Equivalent Circuit     237
Speed of a Motor     238
Motor Types     239
Starting Requirements for Motors     241
Principles of Alternating Current     252
Generating an Alternating Voltage     252
Angular Measurement     252
Sine Wave     254
Alternating Current     254
Frequency and Period     255
Phase Relationships     256
Phasors     256
Characteristic Values of Voltage and Current     259
Resistance in AC Circuits     261
Inductance, Inductive Reactance, and Inductive Circuits     275
Induction     275
Characteristics of Coils     276
Inductive Reactance     277
Inductors in Series or Parallel     278
Inductive Circuits     281
Q of a Coil     287
Power in RL Circuits     288
Capacitance, Capacitive Reactance, and Capacitive Circuits     305
Capacitor     305
Capacitance     306
Types of Capacitors     308
Capacitors in Series and Parallel      308
Capacitive Reactance     310
Capacitive Circuits     311
Power in RC Circuits     316
Single-Phase Circuits     332
The General RLC Circuit     332
RLC in Series     332
RLC in Parallel     335
RL and RC Branches in Parallel     338
Power and Power Factor     340
Alternating-Current Generators and Motors     361
Alternators     361
Paralleling Generators     364
Ratings     364
Losses and Efficiency     364
Polyphase Induction Motors     365
Synchronous Motors     368
Single-Phase Motors     372
Complex Numbers and Complex Impedance for Series AC Circuits     385
Introduction     385
Definition of a Complex Number     385
Operator j     385
Rectangular and Polar Forms of Complex Numbers     387
Operations with Complex Numbers     389
Complex Impedance in Series     392
AC Circuit Analysis with Complex Numbers     409
Phasors     409
Two-Terminal Network     409
Series AC Circuit     409
Parallel AC Circuit      411
Series-Parallel AC Circuit     414
Complex Power     416
Determinant Solution for AC Circuits     421
AC [Triangle]-Y and Y-[Triangle] Conversions     424
Transformers     455
Ideal Transformer Characteristics     455
Transformer Ratings     458
Impedance Ratio     459
Autotransformer     460
Transformer Losses and Efficiency     460
No-Load Condition     462
Coil Polarity     463
Three-Phase Systems     474
Characteristics of Three-Phase Systems     474
Three-Phase Transformer Connections     475
Power in Balanced Three-Phase Loads     477
Unbalanced Three-Phase Loads     482
Series and Parallel Resonance     499
Series Resonance     499
Q of Series Circuit     503
Parallel Resonance     503
Q of Parallel Circuit     506
Bandwidth and Power of Resonant Circuit     508
Summary     510
Waveforms and Time Constants     524
RL Series Circuit Waveforms     524
RL Time Constants     528
RC Series Circuit Waveforms      530
RC Time Constants     534
Calculation for Time t     535
Index     553