The switch in the circuit shown in the figure below is opened at t=0s. Assume that I=4.4A. Answer the following questions:
t=0
20V
12
20
0.5H
I(t=0) can be found as:
Oa. 2.6A
Ob. 2.8A
Oc. 3A
Od. 3.2A
The current I at t=70ms is:
Oa. 1.896A
Ob. 2.296A
Oc. 2.496A
Od. 2.096A
The voltage V at t=70ms is:
Oa. 14.976V
Ob. 13.776V
Oc. 11.375V
Od. 12.576V