91. Two isolated parallel plates are separated by a distance d. They carry opposite charges Q and each has surface area A. Which of the following would increase the strength of the electric field between the plates?
I. Increasing Q
II. Increasing A
III. Increasing d
(A) I only
(B) II only
(C) III only
(D) II \& III only
(A) I only
(B) II only
(C) III only
(D) II & III only