5mA
10kΩ
5µH
-1V
10kΩ

ic(0-) = 5 mA ; vc(0+) = 50 V
ic(∞) = -0.1 mA ; vc(∞) = 0 V

vc(t) = 0 + 50e-t [V] ; t ≥ 0
time for vc to reach 0V: never, but 2.5ms is close

ic(t) = 50 + 5.1e-t [V] ; t ≥ 0
time for ic to reach 0A: 1.966ms