DOE Fundamentals Handbook: Electrical Science

A clear continuing-education course that walks you through electrical safety, circuits, and the core ideas behind how electricity works. A friendly starting point for beginners and anyone refreshing the fundamentals.

TLC

A self-study course that builds electrical knowledge from the ground up, covering matter, energy, magnetism, and direct current circuits. Plain explanations and review questions make it a solid first course in electricity.

U.S. Navy

An accessible reader on how energy moves and changes form, with electricity at the center. Short chapters and clear illustrations make it a gentle entry point for newcomers.

Core Knowledge