Question

For $t<0$, the circuit shown in Figure P4.21 is at DC steady-state. The switch is opened at $t=0$. Determine the current $i_L$ through the inductor for all time. Assume: $$ \begin{array}{ll} V_s=12 \mathrm{~V} & L=100 \mathrm{mH} \\ R_1=400 \Omega & R_2=400 \Omega \\ R_3=600 \Omega & \end{array} $$

   For $t<0$, the circuit shown in Figure P4.21 is at DC steady-state. The switch is opened at $t=0$. Determine the current $i_L$ through the inductor for all time. Assume:
$$
\begin{array}{ll}
V_s=12 \mathrm{~V} & L=100 \mathrm{mH} \\
R_1=400 \Omega & R_2=400 \Omega \\
R_3=600 \Omega &
\end{array}
$$

Principles and Applications of Electrical Engineering

Giorgio Rizzoni,… 7th Edition

Chapter 4, Problem 40

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For $t<0$, the circuit shown in Figure P4.21 is at DC steady-state. The switch is opened at $t=0$. Determine the current $i_L$ through the inductor for all time. Assume: $$ \begin{array}{ll} V_s=12 \mathrm{~V} & L=100 \mathrm{mH} \\ R_1=400 \Omega & R_2=400 \Omega \\ R_3=600 \Omega & \end{array} $$

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