A Ballistic galvanometer of constant equal to 1 micro-coulomb/degree gives a throw of $$22.5^\circ$$, when a capacitor discharges through the meter. If a battery of 15V is used to recharge the capacitor, value of capacitance is

A

$$15 \mu F$$

B

$$22.5 \mu F$$

C

$$10 \mu F$$

D

$$1.5 \mu F$$