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Direct Current Fundamentals
ISBN: 9780827365728 | 0827365721
Edition: 5thFormat: Paperback
Publisher: ITP DELMAR
Pub. Date: 6/1/1995
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Direct Current Fundamentals, 6E is by far the best and most reliable selection for comprehensive DC theories and applications. This comprehensive book on DC includes many examples of basic DC circuits and equipment, providing users with the fundamental concepts of DC electricity and magnetism in preparation for further studies in electricity and electronics! Book jacket.
| Preface | |
| An Introduction to Electricity and Electronics | p. 1 |
| What are electricity and electronics? | |
| Why this book is called Direct Current Fundamentals | |
| Early history of electricity | |
| One hundred elements--building blocks of nature | |
| The atom analyzed--electrons, protons, and neutrons | |
| The atomic theory--cornerstone of electrical theory | |
| ... MORE | p. 12 |
| Electricity production by energy conversion | |
| Electricity from friction | |
| Electricity from magnetism | |
| Electricity from chemical energy | |
| Electricity from light | |
| Electricity from heat | |
| Electricity from mechanical pressure: piezoelectricity | |
| The effects of electricity | |
| Electrostatics | p. 21 |
| Stationary electrons | |
| Electroscopes | |
| Electrostatic induction | |
| Lightning | |
| Nuisance static charges | |
| Useful static charges | |
| Potential energy of electrons | |
| Electric lines of force | |
| Basic Circuit Concepts | p. 36 |
| Three measurable circuit quantities | |
| Voltage | |
| Current | |
| Resistance | |
| A simple electric circuit | |
| Open circuits and closed circuits | |
| The schematic diagram | |
| Basic circuit notation | |
| The short circuit | |
| Electrical safety | |
| National Electrical Code | |
| Scientific Notation and Metric Prefixes | p. 49 |
| Rationale for studying this unit | |
| Powers of 10 | |
| Scientific notation | |
| Significant digits | |
| Rounding off to three significant digits | |
| Metric prefixes | |
| Multiplication and division with powers of 10 | |
| Electrical Quantity Measurement | p. 63 |
| Types of meters | |
| Ammeter and voltmeter scale interpretation | |
| Ohmmeter scale interpretation | |
| Electrical meter connection | |
| Resistance | p. 80 |
| Conductance vs. resistance | |
| Resistivity of materials | |
| Length of a conductor | |
| Cross-sectional area (CSA) of a conductor in circular mils | |
| Effect of temperature on resistance | |
| The American Wire Gauge (AWG) | |
| Stranded wire and cable | |
| Commercial resistors | |
| Ohm's Law | p. 99 |
| Voltage, current, and resistance | |
| Ohm's law with metric prefixes | |
| Electrical Power and Energy | p. 104 |
| Energy | |
| Units of energy | |
| Power | |
| Energy and cost calculations | |
| Efficiency of energy conversion | |
| A practical application--resistance heating | |
| Series Circuits | p. 122 |
| Characteristics of series circuits | |
| The voltage drop | |
| Resistance and current in series circuits | |
| Power consumption in series circuits | |
| Calculation of series circuit quantities | |
| Voltage drop on a line | |
| Voltage at an open element | |
| Series circuits as voltage dividers | |
| Polarity considerations | |
| Ground as a reference point | |
| Voltage sources in series | |
| Parallel Circuits | p. 150 |
| The nature of parallel circuits | |
| Five methods of computation | |
| Use of Ohm's Law for computing R[subscript T] | |
| Use of the reciprocal equation | |
| A practical method | |
| The product over the sum formula | |
| A special condition: all equal resistors | |
| Power dissipation in parallel circuits | |
| Voltage sources in parallel | |
| A practical application--kitchen range heating element | |
| Series-Parallel Circuits and Loaded Voltage Dividers | p. 169 |
| Simplifying series-parallel circuits | |
| Kirchhoff's voltage law | |
| Kirchhoff's current law | |
| Loaded voltage dividers | |
| Conduction in Liquid and Gases | p. 192 |
| The ionization process | |
| Useful chemical compounds | |
| Electroplating and electrolysis | |
| Gases as insulators | |
| Gaseous conduction by ionization | |
| Conduction and ions in nature | |
| Conduction in a vacuum | |
| Batteries | p. 208 |
| Chemical energy: a source of emf | |
| Anodes and cathodes | |
| Primary cells | |
| Fuel cells | |
| Secondary cells | |
| Maintenance-free batteries | |
| Miscellaneous aspects of batteries | |
| Magnetism and Electromagnetism | p. 234 |
| Electricity and magnetism | |
| Simple magnets | |
| The magnetic field | |
| Ferromagnetic materials and the magnetizing process | |
| Magnetic materials and the atomic theory | |
| Permanent magnets | |
| Electromagnetism of a straight wire | |
| Electromagnetism of a coil | |
| The magnetic core in the coil | |
| Magnetic quantities | |
| Applications of Electromagnetism | p. 256 |
| Solenoids for lateral motion | |
| The electromagnetic relay | |
| Magnetic vibrators and bell | |
| Electromagnetism for rotational motion | |
| Other applications of the motor effect | |
| Electromagnetism at work | |
| Electrical Measuring Instruments (Another Application of Electromagnetism) | p. 268 |
| d'Arsonval meters | |
| DC ammeters | |
| Multirange ammeters | |
| Voltmeters | |
| Ohmmeters | |
| Megohmmeters | |
| Wattmeters | |
| Wheatstone bridges | |
| Clamp-on meters | |
| Electromagnetic Induction | p. 289 |
| Moving coils--stationary fields | |
| Moving fields--stationary coils | |
| Left-hand rule for generators | |
| Lenz's law | |
| Induction in rotating machines | |
| DC Generators | p. 302 |
| Principles of DC generators | |
| Armature design | |
| Generator field structures | |
| Armature reaction | |
| Buildup of self-excited fields | |
| Three types of self-excited generators (series, shunt, and compound) | |
| Separately excited generators | |
| Generator calculations | |
| Power losses | |
| Generator data and ratings | |
| Magnetohydrodynamic (MHD) generation | |
| Mechanical Motion From Electrical Energy | p. 338 |
| Basic motor action | |
| Torque and rotary motion | |
| The need for commutation | |
| The need for added armature coils | |
| From torque to horsepower | |
| DC Motors | p. 352 |
| DC machines: motor or generator? | |
| The counter-emf in a motor | |
| Armature windings | |
| Field distortion and the need for interpoles | |
| The shunt motor | |
| The series motor | |
| The compound motor | |
| Speed control of DC motors | |
| Reversal of rotation | |
| Power losses | |
| Permanent magnet motors | |
| Starters and Speed Controllers | p. 382 |
| Trends in motor control | |
| The need for reduced-voltage starting | |
| Manual starters | |
| Manual speed controllers | |
| Starters for series motors | |
| Drum controllers | |
| Magnetic controllers | |
| The counter-electromotive force motor controller | |
| The voltage drop acceleration controller (lockout acceleration) | |
| Definite time controller | |
| Electronic controllers | |
| Solving DC Networks | p. 417 |
| The loop current method | |
| The superposition theorem | |
| Thevenin's theorem | |
| Appendix | p. 435 |
| Glossary | p. 455 |
| Selected Answers to Odd-Numbered Problems | p. 463 |
| Index | p. 471 |
| Table of Contents provided by Rittenhouse. All Rights Reserved. |
