1.

What are the advantages of using electrostatic potential?

Answer»

The electrostatic potential at each point in space in the vicinity of the source charges represents a scalar field.

The advantages of electrostatic potential field associated with a given distribution of charges are as follows:

  • If we know the potential difference between any two points, we can easily obtain the change in potential energy and the work done when a charge placed in the field moves between these two points.
  • Electric field is a vector field. Electrostatic potential being a scalar field, the potential at any point due to several charges is simply the algebraic sum of the potentials due to the individual charges.
  • The construction of equipotential surfaces helps to visualize the electric field pattern.
  • It is possible to calculate the electric field \(\vec E\) from the scalar potential field function V (by differentiating V with respect to the space coordinates.)


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