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According to theory, the magnetic field of a permanent magnet is due to the combined effects of billions of microscopic magnetic moments.
I'm trying to use the Biot -Savart Law for billions of microscopic currents to approximate a the field of a permanent magnet.
How should these currents (or circuits) be arranged in space?
I'm trying to use the Biot -Savart Law for billions of microscopic currents to approximate a the field of a permanent magnet.
How should these currents (or circuits) be arranged in space?