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Electric Field modeling

  

  • This simulation from falstad.com displays several common electrostatic field configurations

http://www.falstad.com/vector2de/

 

  • This simulator by John Welch, still in development, lets you view and measure electric fields around various electrode configurations.

https://johnw.org/physicsapps/fieldmapping.html

 

This set of three simulations from PhET can also be used to discuss electric fields.

This one introduces the topic and shows fields of basic configurations

  • Charges and Fields

https://phet.colorado.edu/en/simulation/charges-and-fields

 

While these two are designed as interactive activities for students.

  • Electric Field of Dreams

https://phet.colorado.edu/en/simulation/legacy/efield 

 Electric Field Hockey

https://phet.colorado.edu/en/simulation/legacy/electric-hockey 

 

 

  • B. Surdendranath offers this simulation that shows the field lines and equipotentials around one or two charges, with variable charge ratio

https://www.surendranath.org/GPA/Electricity/ElectricField/FieldLines.html

  • and this additional one that calculates the field vectors of a ring of charge

https://www.surendranath.org/GPA/Electricity/EFAR/EFAR.html

 

 

  • Tom Walsh at oPhysics offers this simulation that shows the electric field or potential around several popular charge configurations. A simulated sensor probe can be placed to measure potential or field strength at any point.

https://ophysics.com/em4.html