Chapter 11, Problem 12P

For the circuit in Fig. 11.79 composed of standard values:

a. Determine T

b. Write the mathematical expression for the current i_L after the switch is closed at $t\text{ =}0\text{ s}$.

c. Write the mathematical expression for V_L and V_R after the switch is closed at $t\text{ =}0\text{ s}$.

d. Determine i_L and V_L at $t\text{ =}1\tau$ , 3 $\tau$ . and 5 $\tau$.

e. Sketch the waveforms of i_L, v_L. and V_R for the storage phase.

Fig. 11.79