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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2010
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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 is has the same (total) energy stored in it, as the first combination has. The value of $C_2$, in terms of $C_1$, is then –


( A ) $2\frac{n_2}{n_1}C_1$
( B ) $\frac{16C_1}{n_1 n_2}$
( C ) $16\frac{n_2}{n_1}C_1$
( D ) $\frac{2C_1}{n_1 n_2}$

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