{{page>wiki:headers:hheader}} ===== Prerequisites ===== * **Cross Product** (for right hand rule stuff and in Biot-Savart) * **Line Integrals** (for using the Biot-Savart Law for linear current densities) * **Surface and Volume Integrals** (optional) (for surface and volume current densities) * **Electrostatic Potential & Electric Field for a Ring of Charge** (for comparison with the spinning ring) {{page>wiki:footers:courses:vffooter}}