1. The problem statement, all variables and given/known data How would i go about finding the electric field and potential difference when there is a constant charge density between the capacitor rather than a vacuum? 2. Relevant equations int E dot dA = Qencl/epsilon0 V ab = int E dot dl 3. The attempt at a solution to be honest im not really sure where to start this, i know how to find all this when there is a vacuum or dielectric, but what would i do to find it when there is a constant charge density?