energy attainable by the flow of electric charge by way of a conductor; electricity
The electric potential energy of a system is the
potential energy associated with the
conservative Coulomb forces between
charged particles in a
system, where the reference potential energy is usually chosen to be zero for particles at infinite separation. It can be defined as the amount of
work one must apply to (massless) charged particles to bring them from infinite separation to some finite proximity configuration. This is also equal to the negative of the work of the Coulomb forces that the particles exert on each other during the
quasistatic move:. is the work required to bring the system to a certain finite proximity configuration. "app" stands for applied, because this is work that must be applied to the system (or be supplied by another form of energy contained by the system) to configure it is the work done by
electrostatic inter-particle
Coulomb forces during the move from infinity
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