# Magnetic Circuits

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In this Demonstration you can see the current in a ferromagnetic core with an air gap wrapped by a wire. The example calculates the reluctance, total flux, and mean path length in a three-dimensional representation. The magnetic circuit is created in a similar form to what would be needed by an electric motor. You can adjust the number of wire wraps and geometry of the system to see the affects on the reluctance and magnetic flux.

Contributed by: Stephen Wilkerson (United States Military Academy West Point) (March 2011)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

This work follows examples given in Stephen Chapman, *Electric Machinery Fundamentals*, 4th ed., New York: McGraw–Hill, 2005.

## Permanent Citation

"Magnetic Circuits"

http://demonstrations.wolfram.com/MagneticCircuits/

Wolfram Demonstrations Project

Published: March 7 2011