DC/AC I Study Guide
This study guide will help you achieve success in your DC/AC I class.
Please feel free to access this material as often as you like. If at any
time you have questions, please feel free to contact your
instructor(s).
Before starting the course, please visit Unit 0. The material in
Unit 0 will help you start the course with the
proper background.
The units listed at the top of this page correspond to the unit listed in the
course syllabus.
Unit
TOPIC

Introduction to Basic Concepts of
Electricity

Structure of an Atom, and Electron Theory

Conductors, SemiConductors, and Insulators

Basic Electrical Quantities

Electrical Quantities and Components

Units and Abbreviations

Conductor Characteristics

Resistor Color Code

Measuring Voltage, Current, and Resistance

Schematic Symbols

Ohm’s Law

Relationship between Electrical Quantities

Scientific Notation, Engineering Notation,
Metric Conversion

Current Flow

Polarity and Voltage

Work, Energy, and Power

Series Circuits, and Parallel Circuits

Resistance in Series Circuits

Resistance in Parallel Circuits

Voltage in Series Circuits

Voltage in Parallel Circuits

Kirchhoff's’ Voltage Law

Kirchhoff's Current Law

Power in Series and Parallel Circuits

Troubleshooting Series and Parallel Circuits

SeriesParallel Circuits

Total Resistance in SeriesParallel Circuits

Voltage in SeriesParallel Circuits

Current in SeriesParallel Circuits

Power in SeriesParallel Circuits

Wheatstone Bridge

Delta and Wye Conversions

Network Theorems

Maximum Power Transfer Theorem

Superposition Theorem

Thevenin’s Theorem

Norton’s Theorem

Cells and Batteries

Dry Cells

Rechargeable Batteries

Leadacid Batteries

Battery Charging Methods

Magnetism and Electromagnetism

Fundamental Laws

Units, Terms, Symbols

Core Materials

BH Curve, Hysteresis Curve

Induction

Faraday’s Law & Lenz’s Law

Inductance and Inductors in a DC circuits

Inductors in Series

Inductors in Parallel

RL time constant

Capacitance and Capacitors in a DC circuits

Capacitors in Series

Capacitors in Parallel

RC time constant

AC voltage

Radians of angular measure

Period & Frequency

Current & Voltage characteristics

Transformers

Mutual Inductance

Turns, Current, and Impedance Ratio’s

Loses

Types

Color Coding

Reactive components

Capacitance, and Inductive Reactance

Phase Relationships

Impedance for RC & RL series circuits

RC & RL series, parallel, and combinational
circuits

RLC series and parallel

Power Triangle

Rectangular and Polar vector analysis

Series & Parallel Resonance

Resonance

Q

Bandwidth, Bandpass, and Selectivity
