Practical Problems in Mathematics for Electricians

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Cengage Learning, Nov 1, 2004 - Mathematics - 225 pages
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Now in its seventh edition, Practical Problems in Mathematics for Electricians contains 45 instructional units featuring updated materials, examples, and expanded mathematical operations for students and trainees of the electrical trade. Coverage begins with simple addition and subtraction of whole numbers and progresses through basic algebra and trigonometry, developing readers' awareness of electrical symbols, basic circuits, component terminology, and calculator use for success on the job. Word problems designed to encourage the use of logical deduction are just one of the hallmarks of this tried and true guidebook that provides the mathematical background students need to succeed in the electrical field. Explanations at the beginning of each unit foster a better understanding of the concepts being presented; while problems related to electricity help develop an appreciation for electrical terms and practices.
 

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Contents

Multiplication of Whole Numbers I
10
COMMON FRACTIONS
23
Division of Common Fractions I
38
Multiplication of Decimal Fractions I
54
PERCENT AVERAGES AND ESTIMATES
67
InterestI
71
DiscountI
74
Averages and Estimates I
77
Proportion I
129
Combined Operations with Ratio and Proportion I
132
FORMULAS 135
135
Rearrangement in Formulas I
139
General Simple Formulas I
143
Ohms Law Formulas I
153
Power Formulas I
160
Combined Problems on Formulas I
163

Combined Problems on Percents Averages and Estimates I
80
POWERS AND ROOTS
83
Roots I
86
Combined Operations with Powers and Roots I
91
Metric Measure and Scientific Notation I
93
MEASURE
99
Area Measure I
107
Volume and Mass Measure I
113
Energy and Temperature Measure I
121
Combined Problems on Measure 1125
125
RATIO AND PROPORTION 127
127
TRIGONOMETRY 167
167
Trigonometric Functions I171
171
Plane Vectors I
180
Rotating Vectors 1187
187
Combined Problems in TrigonometryI
191
Number Systems I
194
APPENDIX205
205
GLOSSARY 7213
213
ANSWERS TO ODDNUMBERED PROBLEMS
217
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About the author (2004)

Stephen L. Herman--both an electrician and a teacher for more than 30 years--authored numerous popular textbooks on the subjects of electricity and mathematics. Now retired, Mr. Herman spent two decades as lead instructor for the Electrical Technology Curriculum at Lee College in Baytown, Texas, where he received an Excellence in Education Award from the Halliburton Education Foundation. He also taught at Randolph Community College in Asheboro, North Carolina, for nine years, and helped establish an electrical curriculum for Northeast Texas Community College in Mount Pleasant, Texas. Additional publications include DELMAR'S STANDARD TEXTBOOK OF ELECTRICITY, INDUSTRIAL MOTOR CONTROLS, UNDERSTANDING MOTOR CONTROLS, ELECTRIC MOTOR CONTROL, ELECTRONICS FOR ELECTRICIANS, ELECTRICAL WIRING INDUSTRIAL, ALTERNATING CURRENT FUNDAMENTALS, DIRECT CURRENT FUNDAMENTALS, ELECTRICAL STUDIES FOR TRADES, ELECTRICAL PRINCIPLES, ELECTRICAL TRANSFORMERS AND ROTATING MACHINES, EXPERIMENTS IN ELECTRICITY FOR USE WITH LAB VOLT, THE COMPLETE LABORATORY MANUAL FOR ELECTRICITY, and PRACTICAL PROBLEMS IN MATHEMATICS FOR ELECTRICIANS.

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