A capacitance of $2 \mu F$ is required in an electrical circuit across a potential difference of $1.0\; kV$. A large number of $1\; \mu F$ capacitors are available which can withstand a potential difference of not more than $300\; V$. The minimum number of capacitors required to achieve this is :

Question

$\begin{array}{1 1} (1)\;2 \\ (2)\; 16 \\(3)\; 24 \\ (4) 32 \end{array} $