11 –Biot-Savart Law Chapter 8: Hayt • πΎ − ππ’πππππ πΆπ’πππππ‘ π·πππ ππ‘π¦ (A/meter width) • π½ − πΆπ’πππππ‘ π·πππ ππ‘π¦ (A/m3) • Derive the magnetic field of a straight filament • π π‘πππ ππ = π ππ 2 πππ Next topic: Ampere’s Circuital Law