A parallel plate capacitor is charged to potential V with a battery. Once the capacitor reaches maximum charge, the battery is removed. After this, the plates of the capacitor are pushed closer together. Which statement(s) below is true, comparing the situation before and after the plates are pushed closer together?

I. The charge on the plates decreases.

I1. The capacitance increases.

III. The voltage decreases.

IV. The electric field remains constant.

options

a. II

b. II, III

c. II, III, IV

d. All are true.

e. 1, II, IV