Question

One plate of a capacitor is connected with a spring
as shown in figure. Area of both the plates is A. In
steady state separation between the plates is 0.8d
(spring was unstretched and the distance between
the plates was d when the capacitor was uncharged).
The force constant of the spring is approximately:-
00000
(1) 2.5€, A ?
(3) DES?
(4) SAMO
Latif bechor​

Answer 1

option no. (2)

is right or not