$A$ series combination of $n_1$ capacitors,each of value $C_1$,is charged by a source of potential difference $4V$. When another parallel combination of $n_2$ capacitors,each of value $C_2$,is charged by a source of potential difference $V$,it has the same total energy stored in it as the first combination. The value of $C_2$,in terms of $C_1$,is:
- A$\frac{2C_1}{n_1n_2}$
- B$16\frac{n_2}{n_1}C_1$
- C$2\frac{n_2}{n_1}C_1$
- D$\frac{16C_1}{n_1n_2}$
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