Free online courseElectricity course

Course Description

Want to feel confident working with electricity instead of guessing your way through circuits? This free online course is designed to help you build solid, job-relevant electrical fundamentals, from the first concepts of voltage and current to the kind of circuit reasoning used in real installations, troubleshooting, and technical careers. Whether you are starting in the electrician path or strengthening your professional skills, you will learn how to think clearly about what is happening in a circuit and how to verify your answers step by step.

Throughout the lessons, you will move from core laws and simple resistive networks into practical analysis techniques used in industry. You will learn to simplify circuits, compare different methods for solving them, and develop a repeatable workflow that reduces mistakes. The course emphasizes understanding over memorization, helping you interpret source behavior, apply key conventions correctly, and translate a schematic into equations you can solve with confidence.

As you progress, you will also build a deeper grasp of real-world circuit behavior, including energy storage and time-based effects. The course guides you through capacitors and inductors, transient response in first-order and RLC circuits, and structured procedures for analyzing switching events. Later, you will strengthen your ability to work with sinusoidal sources using phasors and impedance, supporting accurate steady-state AC analysis.

To connect theory with practical electronics, the course introduces operational amplifiers, showing how ideal and non-ideal models influence performance and how common applications behave. Transformers are also addressed to help you understand essential power concepts and how voltage and current relationships change across idealized transformer models.

Because electrical competence must include responsible practice, the course also dedicates time to electrical safety, including considerations around residential wiring. Exercises integrated across the course reinforce problem-solving habits and help you turn knowledge into a usable skill. By the end, you will be better prepared to continue into advanced training, support technical projects, or improve your employability in electrical and maintenance-related roles.