J J A dielectric having a dielectric constant of 3 is filled between the infinite plates of the perfect conductor at 21:0[mm] and 22:10[mm] If the electric potential of the upper plate is 1000 [V], and the electric potential of the lower plate is 0 [V], find the values of (a),(b) (a) What is the electric potential of z=7[mm] in two plates? ANSWER : ? [V] (b) What is the size of the electric field distribution within the two plates? ANSWER : ? [V/m]