Physics · Classical
Electricity & Magnetism
Charge, Coulomb's law and fields; voltage, current, resistance and Ohm's law; power; magnetic fields from currents; forces on moving charges; induction; and how motors, generators and transformers use them.
Step 1 of 5 · Overview30 min read ·
Key idea
Prereqs: Energy & momentum. Next: Light & optics; Michael Faraday; James Clerk Maxwell. Sources: Crash Course Physics #26–35; OpenStax *College Physics* ch. 18–23; MIT 8.02.Next: 1. Electricity