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phy142:lectures:2 [2016/01/26 11:42]
mvfernandezserra [Field distributions and field lines]
phy142:lectures:2 [2016/01/26 11:45] (current)
mvfernandezserra old revision restored (2014/01/29 14:45)
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 The field due to multiple charges may be found by summing up all the individual fields. The field due to multiple charges may be found by summing up all the individual fields.
  
 +We can explore the field distribution around various collections of charges using this [[http://​physics.weber.edu/​schroeder/​software/​EField/​|applet]] or in real life using a [[wp>​Geissler_tube|Geissler tube]].
  
-We often represent electric fields by drawing field lines, these lines point in the direction of the electric field, and the strength of the field is represented by the spacing of the lines, the closer the spacing of the lines the stronger the field. ​All this can bee seen in  ​[[http://​www.physicsclassroom.com/class/estatics/Lesson-4/Electric-Field-Lines|here]].+We often represent electric fields by drawing field lines, these lines point in the direction of the electric field, and the strength of the field is represented by the spacing of the lines, the closer the spacing of the lines the stronger the field. ​Another very flexible 2-D applet ​can be found [[http://​www.its.caltech.edu/~phys1/java/phys1/EField/​EField.html|here]].
  
 ===== Charge moving in an electric field ===== ===== Charge moving in an electric field =====
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