An inductor of inductance 10 mH having resistance of 100 $$\Omega$$ is connected to battery of E.M.F. 1.0 V through a switch as shown in the figure below. After switch is closed, the ratio of instantaneous voltages across the inductor when the current passing through it is 2 mA and 4 mA is _______.

A

4/3

B

3/4

C

5/3

D

3/5