Define potential energy of charge at a point.

What is the difference between potential energy of a charge at a certain point and the potential at that point?

Define the term potential energy of charge q at a distance r in an external electric dipole ?

Define the term potential energy of charge q at a distance r in an external electric field.

Define the term potential energy of charge q at a distance r in an external electric field.

Define the term potential energy of a charge q at a distance r in an external electric field.

Define potential energy with an example.

Define electrostatic potential energy of a system of point charges.

Define electric potential energy. Give its units. Calculate electric potential energy of system of n point charges.

Derive the expression for the potential energy of a system of point charges.