Two infinite, parallel, uniformly charged plates with charge densities +??and -3??are separated by a distance L (Fig.

Question:

Two infinite, parallel, uniformly charged plates with charge densities +??and -3??are separated by a distance L (Fig. P18.32). If the plate on the right is at V = 0, what is the potential of the plate on the left? Express your answer in terms of s and L.

Figure P18.32