Free online course Electricity course

Duration of the online course: 31 hours and 41 minutes

4.75

(56)

Build real electrical skills with a free online course on circuits, AC/DC analysis and safety. Learn fast, practice with exercises, and boost your career.

About the free online course

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.

Course content

Video class: EGGN 281 Lecture 1 - Course Introduction and Circuit Fundamentals

46m
Exercise: What prerequisite course is mentioned for this electrical circuits class?
Video class: EGGN 281 Lecture 2 - Voltage & Current Sources, Resistors & Ohm's Law

49m
Exercise: What is the passive sign convention in circuit analysis?
Video class: EGGN 281 Lecture 3 - Kirchoff's Laws

49m
Video class: EGGN 281 Lecture 4 - Voltage and Current Divider Circuits

48m
Exercise: What is the voltage VA in the given circuit?
Video class: EGGN 281 Lecture 5 - Delta-Wye Transforms

49m
Exercise: What is emphasized in the video transcript?
Video class: EGGN 281 Lecture 6 - Intro to Node-Voltage Method

51m
Video class: EGGN 281 Lecture 7 - Intro to the Mesh Current Method

47m
Exercise: What is one of the first steps recommended when starting a new process?
Video class: EGGN 281 Lecture 8 - Node Voltage vs. Mesh Current

46m
Video class: EGGN 281 Lecture 9 - Source Transformations

49m
Video class: EGGN 281 Lecture 10 - Thevenin & Norton Equivalent Circuits

48m
Video class: EGGN 281 Lecture 11 - Thevenin and Norton Circuits

47m
Video class: EGGN 281 Lecture 12 - Max Power & Superposition

47m
Video class: EGGN 281 Lecture 13 - Intro to Op-Amps

47m
Video class: EGGN 281 Lecture 14 - Op-Amp Applications

47m
Video class: EGGN 281 Lecture 15 - Op-Amp Applications (cont.)

47m
Video class: EGGN 281 Lecture 16 - Op-Amp Non-Ideal Models

48m
Video class: EGGN 281 Lecture 17 - Op-Amp Non-Ideal Models (cont. )

46m
Exercise: What is the main concept emphasized in the given transcript excerpt?
Video class: EGGN 281 Lecture 18 - Exam 1 Review

50m
Video class: EGGN 281 Lecture 19 - Inductance and Capacitance

40m
Video class: EGGN 281 Lecture 20 - Magnetically Coupled Circuits

48m