These units measure electric potential, typically symbolized

, which is the amount of work or energy per unit of electric charge needed to move that charge from a reference point to a specific point in an electric field.

where

• 
  is a static electric field

• 
  is an arbitrary path from some reference point to point
  
  in the electric field

• 
  is an infinitesimal line normal vector on path
  

 

 

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