Chapter 7.1, Problem 1AP

a)

To determine

Find the initial value of current $i$.

b)

To determine

Find the value of initial energy stored in the inductor.

c)

To determine

Find the time constant of the circuit for $t>0$.

d)

To determine

Derive the numerical expression for $i\left(t\right)$ for $t\ge 0$.

e)

To determine

Find the power dissipation percentage in $2\Omega$ resistor, when $5\text{ms}$ after the switch has been opened.