## Part 1: What is Electricity

Lesson 1

A Brief History of the Discovery of Electricity

What is Electricity

What is an Electrical Circuit

Video Lectures

A Brief History of the Discovery of Electricity

Conductors, Resistors and Ohm's Law

What is an Electrical Circuit

What is an Electrical Circuit Q and A

Why Don't Batteries Discharge When you Touch Them End to End

Other Videos

Electrophorus and Induction

The Secret Life of the Electric Light

Static Electricity (from The Secret Life of the Photocopier)

Lightning Strike Investigated

Lesson 2

What is Voltage

Polarity

What is Ground (part 1)

What is Current

Summary

Video Lectures

Understanding Voltage

Interpreting Voltages

The Nature of Zero Volts

Batteries and Current Flow

What is Ground

Electron Flow and Conventional Flow - Answers to Questions

Electrons and Holes - Answers to Questions

More on Conventional Current - Answers to Questions

Conventional vs Electron Flow and Polarized Components

How Does Grounding Protect Us

How Does Grounding Protect Us - Answers to Questions

Ground and Series-Parallel Confusion - Answers to Questions

## Part 2: Basic Electronic Components

Lesson 1

Conductors and Insulators

Resistors

The Resistor Color Code

Variable Resistors

Video Lectures

Conductors and Insulators

Resistors

The Resistor Color Code

Potentiometers with Series and Parallel Circuits - Answers to Questions

Lesson 2

What is Ground (part 2)

Batteries (simplified)

Switches

Connectors

Video Lectures

Grounded Confusion Mark II - Answers to Questions

Switches

Connetors

## Part 3: Measuring Electricity

Lesson 1

Units of Measure

SI Prefixes

Video Lectures

SI Prefixes

International System of Units (SI Units)

Other Videos

The Powers of ten

Lesson 2

The Multimeter

Measuring Voltage

Measuring Current

Measuring Resistance

Video Lectures

Multimeters

Measuring Voltage

Measuring Current

Measuring Resistance

Lesson 3

Ohm's Law

What is Power

Video Lectures

What is Power

## Part 4: DC Circuits

Lesson 1

DC Circuits

Series Circuits

Kirchhoff's Voltage Law

Voltage and Polarity in a Series Circuit

Open Circuits

Voltage Dividers

Exercise: Summary and Exercises

Video Lectures

Series Circuits and Kirchhoff's Voltage Law

Why Don't Wires Have a Voltage Drop

Voltage and Polarity in a Series Curcuit

Open Circuits

Voltage Dividers

Can You Make a Voltage Divider with One Resistor

Series Circuit Exercises

Lesson 2

Parallel Circuits

Kirchhoff's Current Law

Series-Parallel Circuits

Practical Application

Video Lectures

Parallel Circuits and Kirchhoff's Current Law

Parallel Resistor Formulas - Answers to Questions

Parallel Circuit Exercises

Series-parallel circuits

Series-parallel Circuit Exercises Part 1

Series-parallel Circuit Exercises Part 2

Lesson 3

Thevenin's Theorem, Output Impedance and Input Impedance

Interaction of Output Impedance and Input Impedance

Impedance Matching

Norton's Theorem

Video Lectures

Thevenin's Theorem, Output Impedance and Input Impedance

Exercise

Ohm's Law and Kirchhoff's Law Practice No. 1

## Part 5: Advanced Electronic Components in DC Circuits

Lesson 1

Capacitors

Types of Capacitors

The Capacitor as a Storage Tank

Capacitors in Series

Capacitors in Parallel

RC Time Constants

Discharging Capacitors

Capacitors and Phase

Coupling Capacitors

Capacitor Safety

Summary

Video Lectures

Capacitors Part 1 - Introduction

Capacitors Part 2 - Types of Capacitors

Capacitors Part 3 - Capacitors in Series and Parallel

Capacitors Part 4 - Capacitor Charging and Discharging

Capacitors Part 5 - Capacitors and Phase

Capacitors Part 6 - Safety

Charging Capacitors - Answers to Questions

Exercise

Ohm's Law and Kirchhoff's Law Practice No. 2

Lesson 2

Special Relativity, Electricity and Magnetism

Inductors

RL Time Constants

The Inductor as a Flywheel

Factors Affecting Inductance

Inductors in Series and Parallel

Inductors in DC Circuits

Electromagnets, Solenoids and Relays

DC Motors and Generators

Universal Motor

Stepper Motor

Video Lectures

Electricity, Magnetism and Special Relativity

Inductors Part 1 - Introduction to Inductors

Inductors Part 2 - Factors that Affect Inductance

Inductors Part 3 - Inductors in DC Circuits

How Iron Increases Inductance

Thevenin's Theorem, Inductors and Capacitors - Answers to Questions

Electromagnets, Solenoids and Relays

DC Motors and Generators

Other Videos

How Special Relativity Makes Magnets Work

Magnetism and Relativity - Did Veritassium get it right

World's First Electric Generator

Exercise

Ohm's Law and Kirchhoff's Law Practice No. 3

Lesson 3

The Speed of Electricity

Batteries

Types of Batteries

Miscellaneous Components

Video Lectures

The Speed of Electricity

Touching Batteries - Answers to Questions

Miscellaneous Components

Electricity Myths