Overview

Direct current is used to power everything from cell phones to trains. Understanding this form of electrical flow is important to anyone working with electricity and electronics. In this course, you will learn about the types of direct current, as well as the most common source of direct current, the battery. You will also learn how the type of circuit affects the resistance, voltage, and current.

By the end of this course, you will be able to

• Define direct current
• List different types of direct current
• Define cell and battery
• Understand how to connect cells or batteries to increase voltage and current
• Identify a node, a junction, and a loop
• Calculate total resistance in a series, parallel, or combination circuit

Estimated completion time (hours): 3.1