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Getting Started

Welcome to Pathfinder

What you'll need

How Electricity Moves

What Electricity Actually Is

Positive, Negative and Ground

Checking your understanding of current flow

Checking your understanding of ground

Three Ways to Wire a Circuit

The Simple Circuit

Series Circuits

Parallel Circuits

Checking your understanding of series and parallel

Checking your understanding of circuit faults

The Language of Electronics

Voltage, Current, Resistance and Power

Conductors, Insulators and Switches

Checking your understanding of Ohm's law

Checking your understanding of materials

Review

Session 1 Interactive Review

Session 1 of 8. How electricity actually moves through a circuit — current, voltage, resistance and power, the difference between series and parallel wiring, and why a switch works.

Before anyone designs a circuit board, they need to know what a circuit actually is. This first
session covers how charge moves, what voltage and current and resistance really measure, and the
two ways of wiring components together that every electronic device on earth is built from.

Session 1 — How Electricity Works

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