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Electric Field & Potential

Electric Field & Potential. Enter your own values. Interactive physics diagram.

✓ Enter your own values✓ Interactive physics diagram✓ Calculations run in your browser.
About this tool

Point charges in vacuum, Coulomb superposition. Probe charge does not alter the field. Field is undefined on a charge. Arrows show direction; line count is not a measure of charge.

Common uses
Physics ToolsElectric Field & Potential onlinefree Electric Field & Potential

How it works

  1. 1Enter variables using the units and ranges shown beside each field.
  2. 2Results update with your inputs. Use the button below the diagram to calculate or start the animation.
  3. 3Review result units, model assumptions and sources.

Frequently asked questions

What are the model limitations?

Point charges in vacuum, Coulomb superposition. Probe charge does not alter the field. Field is undefined on a charge. Arrows show direction; line count is not a measure of charge.

Are my values sent to a server?

Calculations run in your browser.

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