electric field

exerts a force on other electrically charged objects

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is the SI unit of electric charge

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is the potential energy per unit of charge that is with a static (time-invariant) electric field.

U_E = qφ

is a potential energy with the conservative coloumb forces within a defined system of point charges.

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the electric potential difference is the difference in electric potential (V)

Vb-Va=PE/Charge