Solve the all parts of given question:
Question: A voltage V is applied to a thin parallel plate capacitor of plate separation d filed with a cloud of charge of constant density ρ.
Part I: Find the potential inside the capacitor with respect to the positive plate.
Part II: Find the electric vector E inside the capacitor and surface charge density σ on the inner surface of the plates.
Having trouble with this physics question, can you please explain with the answer.