A solenoid of inductance 250 mH and resistance 10 Ω is connected to a battery. The time taken for the magnetic energy to reach $$\frac{1}{4}th$$ of its maximum
value is

A

$$\log_e(2)$$

B

$$10^{-3}\log_e(2)$$

C

$$25 \log_e(2)$$

D

$$\frac{1}{40}\log_e(2)$$