n identical condensers are joined in series and are charged to potential v. Now they are seperated and joined in parallel. Total energy and potential difference of combination will be :

Question

(A) Energy and potential difference remains same.

(B) Energy remains same and potential difference is $nv$.

(C) Energy remains same and potential difference is $\large\frac{v}{n}$

(D)Energy increases n times and potential difference is $\large\frac{v}{n}$