Ohm's Law Made Easy for Series Parallel Circuits

person icon Steven Liguori

Ohm's Law Made Easy for Series Parallel Circuits

Learn How Series Circuit Rules, Parallel Circuit Rules and Ohm's Law are used to Solve Series Parallel Math Examples

updated on icon Updated on Dec, 2023

language icon Language - English

person icon Steven Liguori

architecture icon Automotive Design,Electrical Engineering,Electrical Circuits,Online Education,Teaching & Academics

Lectures -23

Resources -18

Duration -1.5 hours


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Course Description

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!


What will you learn in this course:

  • 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


What are the prerequisites for this course?

  • It is easier to understand this Course if you have taken the "Ohms 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.
Ohm's Law Made Easy for Series Parallel Circuits


Check out the detailed breakdown of what’s inside the course

Welcome and Introduction
2 Lectures
  • play icon Welcome and Introduction 02:24 02:24
  • play icon Three Types of Circuits 06:03 06:03
Calculating Total Resistance in Series Parallel Circuits
8 Lectures
Series Circuits, Parallel Circuits and Ohm's Law Review
5 Lectures
Series Parallel Math Examples
4 Lectures
Series Parallel Demo Section
4 Lectures

Instructor Details

Steven Liguori

Steven Liguori

Peace Be the Journey!

Steve is an ASE (Automotive Service Excellence) certified master automotive technician for over 35 Years. Back in the day, he was the 'go to' guy for vehicles that no one else could fix, as well as a shop foreman and instructor of fellow technicians. After 26 years specializing in diagnosing electrical and electronics systems, Steve made the move to become an automotive instructor and spent the next 10 years at an automotive technical school in New York. There he received a recognition award as a top instructor. 

Steven Liguori brings to the table an unprecedented passion for teaching. Years of coaching new and experienced students have given him the understanding of what struggling students need most: clear explanations of the information that will lead them to the success they are looking for. Steve teaches in a way that lets the students realize that 'they can do this', not how hard it is. He is passionate about teaching and takes pride in every light bulb he can turn on.

Steve offers online courses in automotive, electrical, and electronics. 

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