magnet formulas

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 A small web site devoted to the vanishing art of practical magnet design without FEA (Finite Element Analysis).

The Basics
Gauss's Law for Electricity Maxwell and His Equations
The Law of Biot Savart The Law of Biot Savart

Simple Magnetic Field Formulas
Field due to a long straight wire Field due to electric current in an infinitely long, straight wire
Field due to an infinite solenoid Field inside an inifinitely long, straight, air-core solenoid
Field inside an air-core toroid Field inside an air-core toroid
On-axis field due to a current loop On-axis field due to a current loop
On-axis field due to a thin shell solenoid On-axis field due to a thin shell solenoid
On-axis field due to a solenoid On-axis field due to a solenoid

Off-Axis Magnetic Field Formulas
Off-axis field due to a current loop Off-axis field due to a current loop
Magnet Formulas web site, © 2004 by Eric Dennison. Your comments and questions are always welcome! If you want to be on my mailing list to find out about updates to this site, or if you have any comments at all, please let me know.

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