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Equation
       
    Name Electric Field Strength
 
    Equation E = - ∇ V
 
    Definition of terms

E = electric field strength, V = potential
 
    Comments

  It is possible to regard the electric field strength E as the negative gradient of a scalar potential V . In Cartesian co-ordinates this means that E = - ∂ V ∂ x i - ∂ V ∂ y j - ∂ V ∂ z k , where i , j and k are the unit vectors in the x , y and z directions respectively.

 
    References

Newtonian Mechanics, A P French, Thomas Nelson & Sons, 1971

       


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