Suppose that the parallel plates in (figure 1)have an area of 3. 00 cm2 and are separated by a 2. 50-mm-thick sheet of dielectric that completely fills the volume between the plates. The dielectric has dielectric constant 4. 70. (you can ignore fringing effects. ) at a certain instant, the potential difference between the plates is 120 v and the conduction current ic equals 6. 00 ma.