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File:Bar magnet on compass board with field lines.png

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Bar magnet resting on a compass board

Summary

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Description
English: A bar magnet resting on a compass board, an educational tool to display the shape of its magnetic field, showing how magnetic field lines are drawn. The board is covered with an array of magnetic "compasses", each consisting of a magnetized steel needle in a plastic bubble which can turn freely. The compass needles turn until they are parallel to the magnetic field of the magnet at each point. It can be seen that the magnet has two locations called poles at either end at which the field is concentrated. By drawing lines which follow the direction of the compass needles (B, blue), a field line diagram can be constructed. It shows the magnetic field emerges from the north pole of the magnet (N) at left, curves through space to the other end of the magnet, and enters through the south pole of the magnet at right.
Date
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Aimant droit et limaille de fer.jpg

Alterations to file: increased brightness and contrast, cropped, added field lines, labeled pole of magnet
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Other versions Bar magnet on compass board.png version without field lines

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w:en:Creative Commons
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This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
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Date/TimeThumbnailDimensionsUserComment
current21:04, 18 August 2020Thumbnail for version as of 21:04, 18 August 20201,285 × 1,320 (449 KB)Chetvorno (talk | contribs)Increased width of field lines
20:51, 18 August 2020Thumbnail for version as of 20:51, 18 August 20201,285 × 1,320 (400 KB)Chetvorno (talk | contribs)Uploaded a work by *Original version:Yzarc-pan *This version:Chetvorno from File:Aimant droit et limaille de fer.jpg Alterations to file: increased brightness and contrast, cropped, added field lines, labeled pole of magnet with UploadWizard

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