Two hollow metal sphere are concentric with each other. The innere sphere has a diameter of 0.40 m and is at a potentional of 105 V. The outer sphere has a diameter of .42 m and is at a potentional of 100V.
A) Find the electric energy contained in the space between the spheres.
B) Find the electrical energy contained in this space if it filled with a dielectric constant 3.0