Calculate the work wab done by the electrostatic force on a particle of charge q as it moves from a to b.
express your answer in terms of some or all the variables e, q, l, and î±.

Explanation:

The work done by the electrostatic force is

where F can be calculated by Coulomb's Law:

We can express this equation by the variables given in the question.

Electric field is denoted as E.

The distance, x, is given as L. If B is greater than A, the work done is positive. Else, work is negative.