The electric field in a region is given by:

$\overline{){\mathbf{E}}{\mathbf{=}}{\mathbf{-}}\frac{\mathbf{d}\mathbf{V}}{\mathbf{d}\mathbf{x}}}$

To find the change in the electric potential from point i to point f, which do we do and why?

A. We find the ratio of the electric field to the distance between the points.

B. We find the ratio of the distance between the points to the electric field.

C. We integrate the negative of the electric field along a path from i to f.

D. We integrate the negative of the electric field along a path from f to i.

E. We differentiate the electric field with respect to distance along the path from i to f.

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