https://gdpark.blog/tags/permeability/Recent content in Permeability on gdpark.blogHugoenThu, 25 Dec 2014 00:00:00 +0000https://gdpark.blog/posts/electromagnetism-16-the-biot-savart-law/Thu, 25 Dec 2014 00:00:00 +0000https://gdpark.blog/posts/electromagnetism-16-the-biot-savart-law/We ‘discovered’ the Biot-Savart law — the equation that tells us exactly how big a magnetic field gets around a current-carrying wire, then worked through some examples hehe~