Electrical engineering explained

Learn how transformers and motors really work

Clear, component-by-component guides to electromagnetic induction, motor principles, and the circuit laws that connect them, plus a companion set of practical tools.

Foundational topics

Start with the core components

Each article explains one component on its own terms, then follows what it does in a working electrical system.

Transformers

What a transformer is

A transformer transfers electrical energy between circuits through electromagnetic induction. We trace how primary and secondary windings change voltage and current.

Motors

What an electric motor does

An electric motor converts electrical energy into rotary motion. Our breakdowns cover stator windings, rotor mechanics, and the magnetic forces that turn them.

Circuit basics

How the laws connect them

Basic circuit laws link transformers and motors into one system. Start with voltage, current, and resistance, then see how each component applies them.

Companion tools

Quick calculations for everyday circuit work

The Tools page collects electrical-engineering utilities for fast calculations, formula lookups, and component sizing. Use them alongside the articles to check your work.