Seatwork The circuit shown in the figure below is at steady state before the switch closes. The response of the circuit is the voltage v(t). Find v(t) for t> 0.

The following circuit is used by a biology student to study "frog kick." She noticed that the frog kicked a little when the switch was closed but kicked violently when the switch was opened. Model the frog as a resistor (Rfrog = 1000N). Assume that switch has been closed for a long time. a) Compute the initial inductor current under DC conditions. b) At t = Os the switch is opened. Compute inductor current for t > 0. c) What is voltage applied to frog for t > 0? What could be a possible reason for the frog's violent kick? Switch 50 2 Frog 12 V 2 H |

In the circuit shown the initial voltages across the capacitors C, and C₂ are 2V and 4V, respectively. The switch is closed at time t = 0. The total energy dissi- pated (in Joules) in the resistor R until steady state is reached, is t = 0 :4F 592 N 2F

2. For the following circuit, a. find a. b. find wo. c. write a differential equation in i(t). d. find the characteristic equation. e. find the roots of the characteristic equation. f. find the final value of current i(t) through the inductor. g. find current i(t) through the inductor for t≥ 0 and plot i(t). h. find voltage v(t) for t≥ 0 and plot v(t). 15 mA R 1 k lo-5 mA 100 L 40 mH v(t) - с 50 nF V-2V

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