2) For the circuit, the switch is in a closed position for a long time before t = 0, when it is

opened instantaneously. Find y₁ (t) and vs(t) for t≥ 0.

Y₁(1)

2 H

1 H

10 V

M

1Ω

+

v₂(1)

Y₂(1)

t = 0

카

HE

1F