File:VFPt four wires antiparallel.svg
Size of this PNG preview of this SVG file: 600 × 600 pixels. Other resolutions: 240 × 240 pixels | 480 × 480 pixels | 768 × 768 pixels | 1,024 × 1,024 pixels | 2,048 × 2,048 pixels.
Original file (SVG file, nominally 600 × 600 pixels, file size: 50 KB)
 | This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
| Description |
English: Magnetic field of four infinite wires perpendicular to the image plane, conducting current into and out of the image plane. |
| Date | |
| Source | Own work |
| Author | Geek3 |
| SVG development |  This plot was created with VectorFieldPlot. |
| Source code | Python code# paste this code at the end of VectorFieldPlot 3.3
doc = FieldplotDocument('VFPt_four_wires_antiparallel', width=600, height=600, commons=True)
field = Field([ ['wire', {'x':x, 'y':y, 'I':I}] for x, y, I in [
[1,1,-1], [1,-1,1], [-1,-1,-1], [-1,1,1] ] ])
doc.draw_currents(field)
t0 = 0.105
nlines = 7
p = Startpath(field, lambda t: [t,t], t0=0.0, t1=1-t0).npoints(nlines)
for iline in range(nlines):
if iline == 5 or iline == 2:
offs = 0.0
else:
offs = 0.5
for m in range(4):
line = FieldLine(field,
[p[iline][0]*(-1)**(m//2), p[iline][1]*(-1)**m],
directions='both')
doc.draw_line(line, arrows_style={'dist':1.8,
'offsets':[offs, 0.5, 0.5, 1.0-offs]})
doc.write()
|
See also
- Dipole wires: VFPt wires antiparallel.svg
- Hexapole wires: VFPt hexapol wires.svg
- Octupole wires: VFPt octupole wires.svg
- Decapole wires: VFPt VFPt decapole wires.svg
Licensing
I, the copyright holder of this work, hereby publish it under the following licenses:
|
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
You may select the license of your choice.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:25, 29 April 2017 | | 600 × 600 (50 KB) | wikimediacommons>Geek3 | validator fix |
File usage
The following page uses this file:
