• ENABLING OBJECTIVES (Cont.)
• ENABLING OBJECTIVES (Cont.)

• Electrostatic Force
• The First Law of Electrostatics
• Figure 5 Electrostatic Field Between Two Charges of Opposite Polarity
• Potential Difference
• Free Electrons
• Free Electrons
• Forces Around Atoms Summary

• Voltage
• Figure 9 Electron Flow Through a Copper Wire with a Potential Difference
• Real and Ideal Sources

• Ohm’s Law
• Ohm’s Law
• Conductance
• Inductance
• Electrical Units Summary

• Static Electricity
• Magnetic Induction
• Thermoelectricity
• Photoelectric Effect
• Thermionic Emission
• Figure 17 Vacuum Tube Diode
• Methods of Producing Electricity Summary
• MAGNETISM
• Figure 19 Magnetic Domains
• Magnetic Flux Density
• Magnetic Materials
• Polarity of a Single Conductor
• Magnetic Field and Polarity of a Coil
• Magnetomotive Force
• Field Intensity
• Reluctance
• Magnetism Summary
• MAGNETIC CIRCUITS
• Figure 26 Magnetic Current with Closed Iron Path
• BH Magnetization Curve
• Hysteresis
• Magnetic Induction
• Faraday’s Law of Induced Voltage
• Lenz’s Law
• Magnetic Circuits Summary
• ELECTRICAL SYMBOLS
• Figure 30 Electrical Symbols
• Electrical Symbols Summary
• Appendix A BASIC ELECTRICAL THEORY
• Appendix A METRIC SYSTEM AND POWERS OF TEN
• TABLE A-2 SUPPLEMENTARY SI UNIT
• TABLE A-3 DERIVED SI UNITS
• TABLE A-4 METRIC PREFIXES USED in ELECTRICITY
• TABLE A-5 POWERS of 10
• Rules associated with powers of ten
• Rules associated with powers of ten
• TABLE A-6 METRIC PREFIXES EXPRESSED as POWERS of 10
• TABLE A-6 METRIC PREFIXES EXPRESSED as POWERS of 10
• ELECTRICAL SCIENCE Module 2 Basic DC Theory
• TABLE OF CONTENTS
• TABLE OF CONTENTS (Cont.)
• LIST OF FIGURES
• LIST OF FIGURES (Cont.)
• LIST OF FIGURES (Cont.)
• LIST OF TABLES
• REFERENCES

• ENABLING OBJECTIVES (Cont.)

• DC Generator
• Thermocouples
• Figure 3 Production of a DC Voltage Using a Thermocouple
• Rectifiers
• Figure 4 Forward-Biased Diode
• Reverse Bias
• Half-Wave Rectifier Circuit
• Full-Wave Rectifier Circuit
• Figure 8 Bridge Rectifier Circuit
• Summary

• One-Line Diagram
• Block Diagram
• Wiring Diagram
• Resistivity
• Temperature Coefficient of Resistance
• Electric Circuit
• Figure 14 Open Circuit
• Series Circuit
• Parallel Circuit
• Summary

• Figure 18 Resistance in a Series Circuit
• Figure 19 Voltage Drops in a Series Circuit
• Figure 20 Voltage Total in a Series Circuit
• Figure 21 Example 1 Series Circuit
• Figure 22 Example 2 Series Circuit
• Parallel Currents
• Figure 23 Example 1 Parallel Circuit
• Figure 25 Example 3 Parallel Circuit
• Resistance in Parallel
• Figure 27 Total Resistance in a Parallel Circuit
• Simplified Formulas
• Simplified Formulas
• Voltage Divider
• Figure 29 Voltage Divider
• Current Division
• Summary

• Summary
• KIRCHHOFF’S LAWS
• Kirchhoff’s Voltage Law
• Applying Kirchhoff’s Voltage Law
• Kirchhoff’s Current Law
• Figure 35 Illustration of Kirchhoff’s Current Law
• Figure 36 Using the Current Law
• Summary

• Figure 38 Assumed Direction of Current Flow
• Figure 40 Applying Voltage Law to Loop 1
• Loop 2 equation
• Figure 41 Applying Voltage Laws to Outer Loop
• Node Equations
• Figure 43 Node Point
• Figure 44 Circuit for Node Analysis
• Figure 45 Node - Voltage Analysis
• Series-Parallel Circuit Analysis
• Figure 46 Redrawn Circuit Example
• Y and Delta Network Calculation
• Figure 48 p (pi) or D (delta) Network
• Figure 49 Y - D Equivalent
• Figure 50 Bridge Circuit
• Figure 51 Y - D Redrawn Circuit
• DC Circuit Analysis Summary

• Open Circuit (Parallel)
• Short Circuit (Series)
• Summary

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