Online Ohms Law Made Easy For Series Circuits Courses

By the end of this course, students will be comfortable with the Math Calculations for Ohm’s Law
Students will understand the Series Circuit Rules for Automotive or Basic Electronics Series Circuits

Welcome to Ohm’s Law Made Easy for Series Circuits. By the end of this course, students will be comfortable with Ohm’s Law, the Series Circuit Rules and the Math Calculations for Automotive Electrical Series Circuits.

Ohm’s Law expresses the relationship between Voltage, Current and Resistance in an Electrical or Electronic Circuit. By knowing any two values, voltage and current, voltage and resistance, or current and resistance, the third value can be calculated mathematically. Understanding the Math behind these relationships can help you in your diagnostic thought process.

Series Circuits are used when lower than source or battery voltage is desired or when you want components to share the source voltage. Parallel Circuits are used when we want each device to receive the full source voltage. In Automotive circuits, most are parallel because more often than not, it is desired that each component receives full battery or source voltage.

This course is Geared toward Automotive students, Beginning Electronics Students and Do it Yourselfers that desire a Solid Foundation and Understanding of Series Circuits and Ohm’s Law. This course does more than just show you a formula and tell you about a concept, it walks you through the thought process, the steps, and the reasoning behind them.

This course provides practice examples and detailed explanations of how the answers were calculated and determined.

Understanding Ohm's Law Math can help students recognize incorrect voltage measurements and become better at troubleshooting and Electrical diagnostics.

Let's get started!

There are No Prerequisites to this Course.

Beginner Electrical Students who want to Learn the Foundation Material to Help them improve their Diagnostic Skills
Intermediate Students who have never quite understood what Ohm's Law was all about.

Section 1 : Ohm's Law Made Easy for Series Circuits - Introduction to Ohm's Law

Lecture 1 :

Basic Electrical Key Words to Know Preview

This Lesson Defines and Illustrates some of the Electrical Terms that can help Improve Your Understanding of the Course Material.

Lecture 2 :

Ohm's Law Formulas

One Formula Expressed Three different ways Defines the Relationship Between Voltage, Current and Resistance in an Electrical Circuit.

Lecture 3 :

What does Ohm's Law Mean?

If Voltage Increases and Resistance Stays the Same, then Current Will Increase. If Voltage stays the same, and Resistance Increases, the Current Will decrease.

Lecture 4 :

Ohm's Law Math Practice

Try a Few Ohm's Law Math Examples to get Comfortable with the Formulas.

Lecture 5 :

Ohm's Law Math Practice Review

This Lesson Reviews the Ohm's Law Math Practice Examples from Lesson Four.

Lecture 6 :

Ohm's Law for Each Part of the Circuit

In Series Circuits, Voltage values and Resistance values in different parts of the Circuit May Be Different. This lesson explains.

Section 2 : Series Circuit Rules

Lecture 1 :

Series Circuit Rules

A Brief Description of each of the Four Series Rules is Discussed in this Video. More Detail for Each Rule will Follow in Upcoming Videos.

Lecture 2 :

Series Rule 1 - Current Remains Constant

Current Remains Constant throughout the Circuit. Series Circuit Rule Number One is Explained in this Lesson.

Lecture 3 :

Series Rule 2 - The Total Resistance is the Sum of All Resistance in the Circuit

The Total Circuit Resistance is the Sum of All Resistance in the Circuit. Rule Number Two is Explained in this Lesson.

Lecture 4 :

Series Rule 3 - Sum of Voltage Drops Equals Source Voltage

The Sum of All Voltage Drops is Equal to the Source Voltage. Series Rule Three is explained in this Lesson.

Lecture 5 :

Series Rule 4 - Voltages Differ if the Resistors are Different Values

The Voltage Drop Across Each Resistor will Differ Depending on the Value of the Resistor. Welcome to Series Circuit Rule Four.

Section 3 : Series Circuit Math Practice

Lecture 1 :

Series Circuit Example 1

It's Time to Put it all together and Tackle Our First Series Circuit Math Example from Start to Finish. You will be Amazed how this Step by Step Approach will help Simplify the Process.

Lecture 2 :

Understanding Voltage Current and Resistance Better

Sometimes an Analogy can make Understanding Electricity Easier. In this Lesson, the Actions of a Crowd at the Apple Store on New IPhone release day is related to Voltage Current and Resistance.

Lecture 3 :

Series Circuit Example 2

Try this Second Series Circuit Math Example. You can work on your own or watch the video as I walk you through the process.

Lecture 4 :

The Power Formula

The Power Formula works in a similar fashion as the Ohm's Law Formula. The Power Formula Triangle is Explained in this Lesson so you can calculate Power values for your Series Circuits.

Lecture 5 :

Series Example 2 with Power

Let's revisit Series Circuit Example 2 and Calculate all of the Power Values for the Different Parts of the Circuit.

Lecture 6 :

Series Circuit Math Example 3

Let's get some repetition on Series Circuit Math Examples. The next few lessons will give you the practice and tips you need to be able to Conquer Series Circuit Math.

Lecture 7 :

Series Circuit Math Example 4

Here is another example. You should be getting the hang of the process now.

Lecture 8 :

Series Circuit Math Example 5

It doesn't matter if there are two, three, or four loads or resistors. The process is the same. You are either doing Math or Using a Rule.

Lecture 9 :

Series Circuit Math Example 6

This Lesson shows why making All the Calculations for P, E, I and R will help keep you from being stuck. Math or Rule is the Secret Recipe.

Lecture 10 :

Series Circuit Math Example 7

If you have not tried one on your own yet without watching the video, Now is the Time to Test Your Skill.

Section 4 : Live Demos

Lecture 1 :

Live Demo - Two - 50 Ohm Resistors in Series

This Video Demonstrates Ohm's Law in action. Two 50 Ohm Resistors are connected in Series to a Power Supply and a Volt Meter and an Ammeter are connected to the Circuit to show you the Readings.

Lecture 2 :

Live Demo - 10 and 50 Ohm Resistors in Series

What happens if the Resistor Values are Different. Yes, you guessed it... the Voltage Readings for each Resistor will be different.

Lecture 3 :

Live Demo - Bulbs in Series

Instead of Resistors, Let's use Bulbs in Series and see if the Rules Remain the Same.

Section 5 : Electrical Prefixes and Thank You

Lecture 1 :

Electrical Prefixes

Mega, Kilo Milli and Micro are Electrical Prefixes that many Meters use so they can display larger numbers on the Meter Display with fewer digits. For Ohm's Law Math to work, Remember You Must Convert all Readings of Voltage Current and Resistance to Volts, Amps and Ohms before plugging the values into the Ohm's Law Formulas.

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Steve Liguori,

I am a fullyÂ CertifiedÂ Master Automotive TechnicianÂ by ASE (Automotive Service Excellence)Â andÂ Scored 100%Â on the Electrical/Electronic Systems Certification Test.Â I have been a coach andÂ teacher for most of my life, training students both young and old.Â Â In my 26 years of experienceÂ as an Expert Diagnostic and Repair TechnicianÂ forÂ Automotive Dealerships, I was the go to guy forÂ vehicles with problems that no one elseÂ could fix, as well as a Shop Foreman and Instructor of fellow technicians.Â More recently, I have educated students forÂ almost 10 years as an Instructor of Automotive, Electrical, and Electronics systems at a Technical School in NY.Â While there I received a Recognition AwardÂ as Top Instructor for being able to get through to students that others thought could not succeed. To me Teaching should beÂ about: Getting the Students Involved in the Learning Experience. Lecturing with a Purpose, not just to show how much you know. Teaching in a way that let's students realize "they can do this", not how hard it is. I am PassionateÂ about what I do - I am here to Teach and take Great Pride in every light bulb I can Turn on.

Ohms Law Made Easy for Series Circuits

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