Electric potential due to a dipole

[Dev132435]

Homework Statement

Homework Equations

The Attempt at a Solution

 

[cnh1995]

Homework Statement

Homework Equations

The Attempt at a Solution

Welcome to PF!
Post this question in the 'General Physics' forum. According to the forum rules, you must do some reading and then ask specific questions if anything is unclear to you. I'm not sure if anyone here will be ready to teach a concept from the very basics.