A parallel plate capacitor of plate area `0.2 m^2` and spacing `10^(-2)` is charged to `10^(3)V` and is then disconnected from the battery.
If the plates are pulled apart to double the plates spacing Final voltage of the capacitor will be
A. `10^(3)V`
B. `4xx10^(3)V`
C. `2xx10^(3) V`
D. `10^(6)V`