How much energy is stored by the electric field between two square plates, 9.3 cm on a side, separated by a 2.5-mm air gap? The charges on the plates are equal and opposite and of magnitude 12 nC. Express your answer using two significant figures and include the appropriate units. µA ? Value Units PE =

How much energy is stored by the electric field between two square plates, 9.3 cm on a side, separated by a 2.5-mm air gap? The charges on the plates are equal and opposite and of magnitude 12 nC. Express your answer using two significant figures and include the appropriate units. µA ? Value Units PE =