Consider the circuit shown, the initial current in the inductor is iL(0-) = -0.2A. The switch, has been close for a long time prior to t=0. It opens at t=0. Find expressions for i(t) and v(t) for t≥ 0. Sketch iz(t) and v(t) versus time. Write down your detailed calculations step by step and use your words to explain your approach. 0.3A t=0 V(t) 10 mH 2 ΚΩ ↓i(t)

A circuit with a battery, 2 resistors, a capacitor, and a switch is built as shown in the figure. The battery has voltage V=24.0V, resistor R1= 5.002, resistor R2= 20.02, and capacitor C=150.00µF. At t=0 the switch S is closed and the capacitor C is initially uncharged. 5. R, a. Find the time constant, t, for charging the capacitor. S b. Find the voltage across the capacitor t=4.20x10³s after the switch is closed.

1. (a) Obtain the steady-state response of the following model, and estimate how long it will take the response to reach steady-state. 13i - 6x = 18u,(t), r(0) = 2 %3D (b) Obtain the response of the following model. # + 8* + 12x = 0, x(0) = 0, i(0) = 1 (c) Find the response for the following model. The initial conditions are zero. 3* + 21i + 30r = 4t %3D

After being closed for a long time the switch in the RC circuit shown below opens at timet=18 ms. Find iO(t) for t > 0 ms. For full credit include the equations and a plot describing iO(t).Hint: use superposition to find the contributions of each source.