Correct Answer - A::B::C
If the battery is disconected, then `q=`constant
`C=(epsilon_0A)/d or Cprop1/d`
d is decreased. Hence, C will increase.
`U=1/2q^2/c or U prop 1/C`
C is increasing.Hence U will decrease.
`V=q/C or Vprop1/C`
`C` is increasing. Hence, `V` will decrease.