Two plates of a parallel plate capacitor are drawn apart, keeping them connected to a battery. Next the same plates are drawn apart from the same initial condition, keeping the battery disconnected, then the work done in both cases are same.
Capacitor plates have same charge in both cases and displacements of plates in both cases are also same.

Options

A. Both A and R false
B. Both A and R true and R is not correct reason for A
C. A is true and R is false
D. Both A and R are true and R is correct reason of A.

Answer

D