Eletricidade engenharia

Table of Contents

Introduction .............................................................................. 2 Electron Theory........................................................................ 4 Conductors, Insulators and Semiconductors......................... 5 Electric Charges ....................................................................... 7 Current ......................................................................................9 Voltage ....................................................................................11 Resistance .............................................................................. 13 Simple Electric Circuit ...........................................................15 Ohm’s Law ..............................................................................16 DC Series Circuit ....................................................................18 DC Parallel Circuit .................................................................. 23 Series-Parallel Circuits ........................................................... 30 Power ......................................................................................34 Magnetism .............................................................................37 Electromagnetism .................................................................. 39 Introduction to AC .................................................................42 AC Generators ........................................................................44 Frequency...............................................................................47 Voltage and Current ...............................................................48 Inductance ..............................................................................51 Capacitance ............................................................................56 Inductive and Capacitive Reactance ..................................... 61 Series R-L-C Circuit