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  • Utilize a Simple Method to Apply Ohm's Law to Series Parallel Combination Circuits
  • Students will become Comfortable Calculating Total Resistance in Series Parallel Circuits
  • Learn and Understand How to Use Series Circuit and Parallel Circuit Rules to Solve Series Parallel Math Examples
  • Understand the Effects that High Resistance Issues can have on Series Parallel Circuits

 Welcome to Ohm’s Law Made Easy for Series Parallel Circuits. By the end of this course, students will be comfortable with the Voltage, Current, Resistance and Power Calculations for Series Parallel Circuits. Solving for total Resistance is explained in detail as well as how to use a "Math" or "Rule" approach to determine the answers.

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 greatly improve you understanding and 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.

Series Parallel Circuits are used when we want one device, for example a switch, to control multiple devices, or when we want to reduce the voltage available to a group of devices.  An example would be using a resistor in the series part of the circuit to reduce the voltage available to the Headlights which are in Parallel to allow for Daytime Running Lights Operation.  Daytime Running Lights (DRL), are used to a allow a vehicle to be seen more easily by other drivers in Daylight situations.

Demo videos are provided at the end of the course using bulbs and switches to help to solidify your understanding of Series Parallel.

This course is Geared toward Automotive students, Beginning Electronics Students and Do it Yourselfers who desire a Solid Foundation and Understanding of Series Parallel Circuits.  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 when coupled with Basic Electrical Fundamentals, can help students understand incorrect voltage measurements and become better at troubleshooting, and Electrical diagnostics.

Let's get started!

  • It is easier to Understand this Course if you have taken the Ohm's Law Made Easy for Series Circuits Course
  • It is easier to Understand this Course if you have taken the Ohms Law Made Easy for Parallel Circuits Course.
  • Beginner Electrical Students who want to Learn the Foundation Material to Help them improve their Diagnostic Skills
  • Do it Yourselfers who want a solid foundation in Basic Electrical Circuits and the Math behind them.
  • Intermediate Students who have never quite understood what Ohm's Law was all about.
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  • Section 1 : Introduction 1 Lectures 00:06:03

    • Lecture 1 :
    • Three Types of Circuits Explained.... Series, Parallel and Series Parallel
  • Section 2 : Calculating Total Resistance in Series Parallel Circuits 8 Lectures 00:16:44

    • Lecture 1 :
    • Calculating Total Resistance in Series Parallel Circuits - Example 1
    • In this video, the steps for Calculating Total Resistance in Series Parallel Circuits are explained and I walk you through the process.
    • Lecture 2 :
    • Electrically Equivalent Pictures and Total Resistance Review
    • A schematic diagram can be drawn many different ways and still represent the same circuit.  While the pictures may not have the exact same junction points and connectors, they can still be Electrically Equivalent pictures. This lessons shows some examples and then reviews the process for finding total resistance in series Parallel Circuits.
    • Lecture 3 :
    • Total Resistance Calculation - Example 5
    • Try one of the six resistor combinations on your own.  Download the answer .pdf file from the additional resources when you are ready.
    • Lecture 4 :
    • Total Resistance Calculation - Example 4
    • Let's kick it up a notch and solve for total resistance for a series parallel circuit with six resistors. Download the example alone from the additional resources to try on your own, and download the answers when you are ready for them.
    • Lecture 5 :
    • Total Resistance Calculation - Example 3
    • Try one on your own!  In this video, you can test your understanding by downloading the example from the additional resources and solving for total resistance on your own.  Pause the video after the example is displayed, then once you have worked through the calculations, continue the video to see how you did.
    • Lecture 6 :
    • Total Resistance Calculation - Example 2
    • Let's try another Total Resistance Calculation Example for a Series Parallel Circuit.
    • Lecture 7 :
    • Six Resistor Example Explained
    • In this video, I will show you a more complex series parallel combination and give you a couple of tips on how to analyze it, and understand it better.
    • Lecture 8 :
    • Electrically Equivalent Pictures and Total Resistance Review
    • Sometimes it is easier to redraw the picture so you can understand where the series parts are and where the parallel parts are.
  • Section 3 : Series Circuits, Parallel Circuits and Ohm's Law Review 5 Lectures 00:12:58

    • Lecture 1 :
    • Power Formula Review
    • This lessons reviews the Power Formulas that are described in detail in the Series Circuit Course.  This review will help get you ready for the Ohm's Law Calculations in the next section on Series Parallel Math.
    • Lecture 2 :
    • Ohm's Law Formulas
    • This lessons reviews the Ohm's Law Formulas that are explained in detail in the Series Circuit Course.  This review will help get you ready for the Ohm's Law Calculations in the next section on Series Parallel Math.
    • Lecture 3 :
    • Ohm's Law Review
    • Ohm's Law Review
    • Lecture 4 :
    • Parallel Practice Example Revisited
    • Let's revisit a Parallel Circuit Ohm's Law Math Example too!  This will help get us ready for the more complex Series Parallel Circuits coming up.
    • Lecture 5 :
    • Series Practice Example Revisited
    • Before moving on to the Series Parallel Math Calculations, let revisit a Series Circuit Ohm's Law Math Example.  This will help get us ready for the more complex Series Parallel Circuits.
  • Section 4 : Series Parallel Math Examples 4 Lectures 00:10:22

    • Lecture 1 :
    • Series Parallel - Ohm's Law Example 1
    • Let's take what we have learned about series parallel circuits, and use Ohm's Law, the Power Formula and the Series and Parallel Circuit Rules to solve for the answers in Example 1.
    • Lecture 2 :
    • Series Parallel - Ohm's Law Example 2
    • Let's try another example.  Download the .PDF file that has the example on the first page of content and the solution on the other pages.
    • Lecture 3 :
    • Series Parallel - Ohm's Law Example 3
    • Let's add some more resistors!  Here is another example that should provide a challenge.
    • Lecture 4 :
    • Series Parallel - Ohm's Law Example 4
    • Let's try one more!  Test your understanding with Example 4.
  • Section 5 : Series Parallel Demo Section 4 Lectures 00:04:14

    • Lecture 1 :
    • Series Parallel Demo 1
    • Let's see a few components in action in a series parallel circuit.
    • Lecture 2 :
    • Series Parallel Demo 2
    • What happens when there is a high resistance problem in a series parallel circuit?  Let's find out in this demonstration.
    • Lecture 3 :
    • Series Parallel Demo 3
    • This enlightening lesson shows how some strange things can happen in a series parallel circuit that has a high resistance problem.
    • Lecture 4 :
    • Thank you and Keep in Touch
    • Thank you so much for taking this course. If you have any questions or comments, or ideas for other courses, let me know. Take care, Steve
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A Tale of Two Careers…. Prior to becoming a Trader and Instructor, Steve was and still is an ASE Certified Master Automotive Technician. He was the “go to” guy for vehicles with problems that no one else could fix, as well as a Shop Foreman and Instructor of fellow technicians. After 26 years as a Top Technician specializing in Diagnosing Electrical and Electronics Systems, Steve made the move to Automotive Instructor and spent the next 10 years at a Technical School in NY. There he received a Recognition Award as Top Instructor for being able to get through to students that others thought could not succeed. Steve feels teaching is about getting the students involved in the learning experience, teaching in a way that lets the students realize “they can do this”, not how hard it is. He is passionate about what he does and takes great pride in every light bulb he can turn on. Steve has been trading Stocks and Options since 1999. With his passion for teaching, he has been a perfect fit as an Options Coach/Mentor for three Online Trading Education Companies. The Founder and Options Coach at, Steve is available to answer your questions as well as provide One-on-One Online Personal Coaching Sessions. Years of Coaching new and experienced Traders has given Steve the understanding of what struggling traders need most, clear explanations of the Processes that will lead them to the Success they are looking for in their Trading.
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