©2021 NCEES v
Contents
1.5 Electrical and Computer Engineering....................................................................................................................56
1.5.1 Units .........................................................................................................................................................56
1.5.2 Electrostatics.............................................................................................................................................56
1.5.3 Voltage ...................................................................................................................................................... 57
1.5.4 Current ...................................................................................................................................................... 57
1.5.5 Magnetic Fields ........................................................................................................................................57
1.5.6 Induced Voltage ........................................................................................................................................58
1.5.7 Resistivity ................................................................................................................................................. 58
1.5.8 Resistors in Series and Parallel.................................................................................................................58
1.5.9 Power Absorbed by a Resistive Element ..................................................................................................58
1.5.10 Kirchho's Laws .......................................................................................................................................59
1.5.11 Source Equivalents ...................................................................................................................................59
1.5.12 Capacitors and Inductors ..........................................................................................................................59
1.5.13 AC Circuits ............................................................................................................................................... 61
1.5.14 Eective or RMS Values ..........................................................................................................................61
1.5.15 RC and RL Transients ...............................................................................................................................63
1.5.16 AC Power .................................................................................................................................................64
1.5.17 Rotating Machines (General) ...................................................................................................................67
1.5.18 Electromagnetic Dynamic Fields .............................................................................................................71
1.5.19 Lossless Transmission Lines ....................................................................................................................71
1.5.20 Dierence Equations ................................................................................................................................72
1.5.21 Convolution ..............................................................................................................................................73
1.5.22 Communication Theory and Concepts .....................................................................................................74
1.5.23 Pulse-Code Modulation (PCM) ................................................................................................................ 80
1.5.24 Analog Filter Circuits ............................................................................................................................... 83
1.5.25 Operational Ampliers .............................................................................................................................85
1.5.26 Solid-State Electronics and Devices .........................................................................................................86
1.5.27 Number Systems and Codes ..................................................................................................................... 93
1.5.28 Binary Number System ............................................................................................................................93
1.5.29 Logic Operations and Boolean Algebra ...................................................................................................94
2 COMPUTER SYSTEMS .....................................................................95
2.1 Data Representation ...............................................................................................................................................95
2.1.1 Number Representation ............................................................................................................................95
2.1.2 Character Representation ..........................................................................................................................99
2.1.3 Binary-Coded Decimal (BCD) ................................................................................................................99
