How Do Circuits Work?

Learn the basics of how electrical circuits work, including the concepts of voltage, current, resistance, and how they interact to create a functional circuit.

Last updated November 19, 2024
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About the video

This lesson provides an overview of how electrical circuits function, emphasizing the necessity of a complete loop for current to flow. It covers fundamental electrical properties such as voltage (pressure), current (flow of charge), and resistance (opposition to flow). You’ll understand how these elements interact within a circuit, the role of loads like light bulbs and motors, and the importance of resistance in controlling current. The video uses practical analogies to explain these concepts, making it easier to grasp the essentials of circuit operation and electrical principles. To get started, go to the Lesson Content tab and click on the video.

About the quiz

Each lesson contains a video, and is followed up with a simple quiz. Quizzes review information discussed within the video, with each question providing an answer justification. Helping to reinforce correct answers and helps clarify any mistakes through code citations, excerpts, and explanations, so you can better understand the material.

Charges

Charges are rewards you earn for engaging in our learning system. You receive charges for completing both the video and the quiz in each lesson. The amount of charges available for each lesson is displayed in the “Lesson Features” box on the right. The charges you earn are based on the time it takes you to complete the lesson, which is also indicated in “Lesson Features.”


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Dustin Stelzer Instructor
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