Give the expression for electric potential at a point, due to a system of discrete point charges.

Derive an expression for electric potential at a point due to a system of N charges.

How is the electric potential at a point due to a given charge measured? Obtain an expression for the electric potential at a point due to an isolated point charge.

Give an expression for the electric potential at a point due to a point charge.

Derive an expression for electric potential at a point due to a point charge.

What is quantization of charge? Establish the expression of electric potential at a point for at point charge.

Derive an expression for electric potential due to a point charge