Two Parallel-Plate Capacitors with Different Plate Separation but the Same

Multiple Choice

Two parallel-plate capacitors with different plate separation but the same capacitance are connected in series to a battery.Both capacitors are filled with air.The quantity that is NOT the same for both capacitors when they are fully charged is:

A) potential difference
B) stored energy
C) electric field between the plates
D) charge on the positive plate
E) dielectric constant