File:Electromagnet with gap.svg
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editDescriptionElectromagnet with gap.svg |
English: A diagram of the magnetic field (green) of a typical electromagnet, showing the field lines. The drawing shows a section through the core of the electromagnet except for the windings (red), which are shown in three dimensions for clarity. The iron core of the electromagnet (C) forms a closed loop for the magnetic flux, with two air gaps (G) in it. Most of the magnetic field (B) is confined to the core circuit. However some of the magnetic field lines (BL) take "short cuts" and do not pass through the entire core circuit and so do not contribute to the force exerted by the magnet; this is called "leakage flux". This also includes magnetic field lines that encircle the wire windings without entering the core. In the gaps (G}, the magnetic field lines are no longer confined by the core, so they "bulge" out of the edges of the gap before bending back to enter the next piece of core material. These bulges (BF) are called "fringing fields" and reduce the strength of the magnetic field in the gaps. The blue line L is the average length of the flux path or magnetic circuit, and is used to calculate the magnetic field. This is a freehand drawing and is not quantitatively accurate as are images of magnetic field lines produced by computer. |
Date | |
Source | Own work |
Author | Chetvorno |
SVG development InfoField | This diagram was created with Inkscape. This diagram uses embedded text that can be easily translated using a text editor. |
Licensing
editPublic domainPublic domainfalsefalse |
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 00:48, 26 July 2023 | 674 × 739 (66 KB) | Chetvorno (talk | contribs) | Replaced Inkscape SVG with simple SVG version that passes W3G validator | |
00:44, 27 November 2010 | 674 × 739 (80 KB) | Chetvorno (talk | contribs) | Changed color shades to look better on most monitors | ||
07:24, 6 October 2010 | 674 × 739 (80 KB) | Chetvorno (talk | contribs) | {{Information |Description={{en|A diagram of the magnetic field of an electromagnet. The drawing shows a section through the core of the electromagnet except for the windings, which are shown in three dimensions for clarity. The iron core of the electrom |
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