File:VFPt image charge plane.svg
Original file (SVG file, nominally 800 × 600 pixels, file size: 21 KB)
Captions
Summary[edit]
DescriptionVFPt image charge plane.svg |
English: Field of a positive electric charge in front of a perfectly conduction metal surface. The field outside the metal can be constructed using an image charge behind the metal surface. |
Date | |
Source | Own work |
Author | Geek3 |
Other versions |
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SVG development InfoField | This plot was created with VectorFieldPlot. |
Source code InfoField | Python code# paste this code at the end of VectorFieldPlot 1.0
doc = FieldplotDocument('VFPt_image_charge_plane', commons=True)
field = Field({'monopoles':[[-1.5,0,1], [1.5,0,-1]]})
doc.draw_charges(field)
n = 16
s = ig.quad(lambda phi2: sc.dot(rot([1,0], phi2), field.F(
sc.array([-1.5,0])+rot([1,0], phi2))), 0, 2*pi)[0]
for i in range(n):
a = (0.5 + i) / n
phi = op.fsolve(lambda phi1: ig.quad(lambda phi: sc.dot(rot([1,0],
phi), field.F(sc.array([-1.5,0])+rot([1,0], phi))), 0, phi1)[0] - a * s, pi)
line = FieldLine(field, [-1.5,0], start_v=[cos(phi), sin(phi)],
directions='forward', maxr=10, bounds_func=lambda p: p[0])
doc.draw_line(line, arrows_style={'dist':1.6, 'min_arrows': 1,
'fixed_ends':[True, False, False, True]})
line = FieldLine(field, [1.5,0], start_v=[cos(phi), -sin(phi)],
directions='backward', maxr=10, bounds_func=lambda p: -p[0])
doc.draw_line(line, arrows_style={'max_arrows':0},
attributes=[['stroke-dasharray', '0.1,0.15'],
['stroke-dashoffset', '0.1']])
doc.draw_object('rect', {'x':0,'y':-3.01,'width':4.01,'height':6.02,
'style':'fill:#bbbbbb; stroke:#333333; stroke-width:0.02; opacity:0.7'})
doc.write()
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Licensing[edit]
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.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
- 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.
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 14:28, 29 April 2017 | 800 × 600 (21 KB) | Geek3 (talk | contribs) | validator fix | |
21:49, 31 May 2010 | 800 × 600 (21 KB) | Geek3 (talk | contribs) | VFPt_image_charge_plane |
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File usage on Commons
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Short title | VFPt_image_charge_plane |
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Image title | VFPt_image_charge_plane
created with VectorFieldPlot 1.0 http://commons.wikimedia.org/wiki/User:Geek3/VectorFieldPlot about: http://commons.wikimedia.org/wiki/File:VFPt_image_charge_plane.svg rights: GNU Free Documentation license, Creative Commons Attribution ShareAlike license |
Width | 800 |
Height | 600 |