{ "information": { "Title": "Metalic conductor Model", "Author": [ "Francisco Esquembre , Universidad de Murcia", "Maria Jose Cano", "lookang http://weelookang.blogspot.sg/" ], "AuthorLogo": [ "./01authorPacoEsquembre2011.png", "./01authorMar\u00edaJos\u00e9CanoVicente.png", "./01authorlooakng50x50.png" ], "Password": "", "Keywords": "conductivity, electrons", "Abstract": "Based on an animation of the Supercomet 2 project\n\nswitch http://commons.wikimedia.org/wiki/File:Open_knife_switch.jpg\nBy AYL (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons\nbattery\n\"CR2-AA-battery\" by Lead holder - Own work. Licensed under CC BY-SA 3.0 via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:CR2-AA-battery.jpg#/media/File:CR2-AA-battery.jpg\nblub\n\"Gluehlampe 01 KMJ\" by KMJ - de.wikipedia, original upload 26 Jun 2004 by de:Benutzer:KMJ. Licensed under CC BY-SA 3.0 via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:Gluehlampe_01_KMJ.jpg#/media/File:Gluehlampe_01_KMJ.jpg\n\nhttps://pixabay.com/en/sphere-the-celestial-sphere-blue-1423960/", "Copyright": "", "Level": "", "Language": "", "Logo": [ "./MetalicConductor/Screen Shot 2017-05-08 at 5.12.40 PM.png" ], "RunAlways": "true", "ModelTab": "", "ModelTabTitle": "", "ModelName": "", "FixedNavigationBar": "false", "CSSFile": "", "DetectedFiles": [ "./01authorMar\u00edaJos\u00e9CanoVicente.png", "./01authorPacoEsquembre2011.png", "./01authorlooakng50x50.png", "./MetalicConductor/Screen Shot 2017-05-08 at 5.12.40 PM.png" ], "AuxiliaryFiles": [ "./MetalicConductor/" ], "HTMLHead": "\n\n", "SaveInXMLFormat": "false", "IncludeSource": "true", "IncludeLibrary": "true", "UglifyJS": "false", "PreviewFullModel": "false", "UseInterpreter": "false", "UseDeltaForODE": "false" }, "description": { "pages": [ { "Name": "Introduction", "Active": "true", "Internal": "false", "Type": "DESCRIPTION_EDITOR", "Locale": "_default_", "Title": "Introduction", "External": "false", "Code": "\n\n\n

Metalic conductor

\"\"


How can a lot of loose electrons cause a metal to be a good conductor?

This is because each electron is an electric charge that is free to move. Moving electric charges can make up a current. But this is only true if they move the same way.

Due to thermal kinetic energy of the electrons and ions in the metal, these conduction electrons move in a random, disordered way, with a velocity close to 106 m/s. In total, however, they have zero net velocity because their motion is not ordered.

However, if an external field is applied, then the net motion of the electrons will follow the field.

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"value": "negs" }, { "name": "Minimum", "value": "1" }, { "name": "Maximum", "value": "50" }, { "name": "Step", "value": "1" }, { "name": "Format", "value": "\"0\"" }, { "name": "ShowText", "value": "true" }, { "name": "OnChange", "value": "_initialize();\n_view._update();" }, { "name": "Tooltip", "value": "\"Number of electrons\"" } ] }, { "Name": "labelElectricField", "Type": "Label", "Properties": [ { "name": "Text", "value": "\"E = \"" }, { "name": "Tooltip", "value": "\"Electric field strength\"" } ] }, { "Name": "sliderElectricField", "Type": "Slider", "Properties": [ { "name": "Value", "value": "force" }, { "name": "Minimum", "value": "-10" }, { "name": "Maximum", "value": "10" }, { "name": "Step", "value": "2" }, { "name": "Format", "value": "\"0\"" }, { "name": "ShowText", "value": "true" }, { "name": "Tooltip", "value": "\"Electric field strength\"" } ] }, { "Name": "worldgraph", "Type": "ComboBox", "Properties": [ { "name": "Options", "value": "[\"microscopic view\",\"world circuit\",\"both\",\"velocity show\",\"velocity off\",\"trace show\",\"trace off\"]" }, { "name": "Tooltip", "value": "\"select user_defined and drag the mass\"" }, { "name": "OnChange", "value": "var option = _view.worldgraph.getProperty(\"SelectedOptions\");\nif ( option==\"microscopic view\"){\n world=true;\nWidth1 = \"100%\";\nWidth2 = \"0%\";\n\n//disabled=false;\n\n }\nelse if ( option==\"world circuit\"){\n\ngraph=true;\nWidth1 = \"0%\";\nWidth2 = \"100%\";\n//disabledworld=false;\n}\nelse if ( option==\"both\"){\nworld=true;\ngraph=true;\nWidth1 = \"50%\";\nWidth2 = \"50%\";\n//disabledworld=false;\n}\nelse if ( option==\"velocity show\"){\n\nvelocityshow=true;\n}\nelse if ( option==\"velocity off\"){\n\nvelocityshow=false;\n}\nelse if ( option==\"trace show\"){\n\nshowTrace=true;\n}\nelse if ( option==\"trace off\"){\n\nshowTrace=false;\n}\n\n\n\n" }, { "name": "Font", "value": "font" } ] }, { "Name": "playPauseButton22", "Type": "TwoStateButton", "Properties": [ { "name": "OffClick", "value": "text=\"paused\";\n_pause();" }, { "name": "TextOn", "value": "\"Play\u25ba\"" }, { "name": "State", "value": "_isPaused" }, { "name": "Tooltip", "value": "\"Play/Pause\"" }, { "name": "TextOff", "value": "\"Pause\u275a\u275a\"" }, { "name": "OnClick", "value": "_play();\ntext=\"playing\";" }, { "name": "Font", "value": "fontb" } ] }, { "Name": "resetButton22", "Type": "Button", "Properties": [ { "name": "Tooltip", "value": "\"Reset\"" }, { "name": "Text", "value": "\"Reset\u21bb\"" }, { "name": "OnClick", "value": "_reset()" }, { "name": "Font", "value": "fontb" } ] }, { "Name": "print", "Type": "CheckBox", "Properties": [ { "name": "Checked", "value": "print" }, { "name": "Text", "value": "\"print\"" }, { "name": "Font", "value": "font" }, { "name": "Display", "value": "\"none\"" } ] } ] }, { "Name": "panel", "Type": "Panel", "Expanded": "true", "Properties": [ { "name": "Height", "value": "\"100%\"" }, { "name": "Width", "value": "\"100%\"" } ], "Children": [ { "Name": "plottingPanel", "Type": "PlottingPanel", "Expanded": "true", "Properties": [ { "name": "Gutters", "value": "[0,0,0,0]" }, { "name": "XFixedTick", "value": "x0[0]" }, { "name": "Enabled", "value": "true" }, { "name": "OnDoubleClick", "value": "toggleFullScreen();" }, { "name": "SquareAspect", "value": "true" }, { "name": "MaximumY", "value": "ymax" }, { "name": "MaximumX", "value": "xmax" }, { "name": "YFixedTick", "value": "y0[0]" }, { "name": "TRMessage", "value": "print?\"\":\"NOT to scale: Microscopic View of Metallic Conductor Model\"+\"\\n Atoms (blue) and electrons (red)\"" }, { "name": "YAutoTicks", "value": "false" }, { "name": "MinimumX", "value": "xmin" }, { "name": "MinimumY", "value": "ymin" }, { "name": "XTickStep", "value": "x0[1]-x0[0]" }, { "name": "YTickStep", "value": "y0[columns+1]-y0[0]" }, { "name": "AutoScaleY", "value": "false" }, { "name": "AutoScaleX", "value": "false" }, { "name": "MarginX", "value": "10" }, { "name": "MarginY", "value": "10" }, { "name": "XAutoTicks", "value": "false" }, { "name": "Height", "value": "+_view._format(window.innerHeight*0.9,\"0\")" }, { "name": "Width", "value": "Width1" }, { "name": "TLMessage", "value": "print?\"\":text" }, { "name": "BRMessage", "value": "print?\"\":brtext" } ], "Children": [ { "Name": "atoms", "Type": "ImageSet2D", "Properties": [ { "name": "NumberOfElements", "value": "n" }, { "name": "SizeX", "value": "diameter" }, { "name": "X", "value": "x" }, { "name": "Y", "value": "y" }, { "name": "ImageUrl", "value": "%images%" }, { "name": "SizeY", "value": "diameter" } ] }, { "Name": "box", "Type": "Shape2D", "Properties": [ { "name": "FillColor", "value": "\"rgba(0,0,0,0)\"" }, { "name": "SizeX", "value": "xmax-xmin+diameter[positives]" }, { "name": "ShapeType", "value": "\"RECTANGLE\"" }, { "name": "LineColor", "value": "\"Black\"" }, { "name": "X", "value": "(xmax-xmin)/2" }, { "name": "Attributes", "value": "{ \"stroke-dasharray\":\"8 8 8 8\" } " }, { "name": "Y", "value": "(ymax-ymin)/2" }, { "name": "SizeY", "value": "ymax-ymin+diameter[positives]" }, { "name": "LineWidth", "value": "2" } ] }, { "Name": "atoms2", "Type": "ShapeSet2D", "Properties": [ { "name": "NumberOfElements", "value": "n" }, { "name": "FillColor", "value": "fillcolor" }, { "name": "SizeX", "value": "diameter" }, { "name": "ShapeType", "value": "\"ELLIPSE\"" }, { "name": "X", "value": "x" }, { "name": "Y", "value": "y" }, { "name": "SizeY", "value": "diameter" }, { "name": "EnabledPosition", "value": "\"ENABLED_ANY\"" }, { "name": "OnDrag", "value": "vx[elementinteracted]=0;\nvy[elementinteracted]=0;\n" }, { "name": "ElementInteracted", "value": "elementinteracted" } ] }, { "Name": "velocity", "Type": "ArrowSet2D", "Properties": [ { "name": "NumberOfElements", "value": "n" }, { "name": "MarkEnd", "value": "\"TRIANGLE\"" }, { "name": "FillColor", "value": "\"Magenta\"" }, { "name": "SizeX", "value": "vx" }, { "name": "X", "value": "x" }, { "name": "LineColor", "value": "\"Magenta\"" }, { "name": "Y", "value": "y" }, { "name": "Visibility", "value": "velocityshow" }, { "name": "SizeY", "value": "vy" }, { "name": "PixelSize", "value": "true" }, { "name": "LineWidth", "value": "2" }, { "name": "Offset", "value": "\"SOUTH_WEST\"" } ] }, { "Name": "textSetNumberSystem", "Type": "TextSet2D", "Properties": [ { "name": "NumberOfElements", "value": "n" }, { "name": "X", "value": "x" }, { "name": "Y", "value": "y" }, { "name": "Text", "value": "%textSet%" } ] }, { "Name": "field", "Type": "ArrowSet2D", "Properties": [ { "name": "NumberOfElements", "value": "n" }, { "name": "FillColor", "value": "\"Green\"" }, { "name": "SizeX", "value": "force/15" }, { "name": "LineColor", "value": "\"Green\"" }, { "name": "X", "value": "x0" }, { "name": "Y", "value": "y0" }, { "name": "SizeY", "value": "0" }, { "name": "LineWidth", "value": "3" } ] }, { "Name": "trail", "Type": "Trail2D", "Properties": [ { "name": "Connected", "value": "(y[positives]>ymin&&y[positives]xmin&&x[positives]