When a current of $5 \;mA$ is passed through a galvanometer having a coil of resistance $15 \Omega$, it shows full scale deflection. The value of the resistance to be put in series with the galvanometer to convert it into a voltmeter of range $0−10\; V$ is :

Question

$\begin{array}{1 1} (1)\;1.985 \times 10^3 \Omega \\ (2)\;2.045 \times 10^3 \Omega \\ (3)\;2.535 \times 10^3 \Omega \\ (4)\;4.005 \times 10^3 \Omega \end{array}$