The readings for today introduce basic quantities, components, and equations governing electrical circuits:

Electricity

Basic principles of particles, charge, energy, and circuits

Voltage, Current, Resistance, and Ohm's Law

Foundational quantities and their relationship

Resistors

The essential component described by Ohm's linear V-I Law

Diodes

Another important component with a non-linear V-I behavior

Kirchhoff's Law

The fundamental relationship among voltages on a circuit