Homework 16 ECE201: Linear Circuit Analysis Due in class: Monday, October 3, 2011 1. The time varying current produced by the current source in the circuit is plotted. Then a. Write the two KCL equations for the circuit as functions of i(t), iC(t), and Vout(t). b. Express VC as a function of i(t). The initial voltage across the capacitor is VC(0) = 0V. c. Determine the value of iC at time t = 2ms. VC(0) = -1V. d. Determine the value of iC at time t = 10ms. VC(0) = 2V. e. Determine the value of q(t) at t = 10ms. VC(0) = 0.1V.2. In the circuit below, the V(t) = 5 for t > 0 and V(t) = 0 otherwise. a. By inspection, what is V1(t) as t goes to infinity? b. Using your result in part a, what is the capacitor charge q(t) as t goes to infinity? c. By inspection, what is iout(t) as t goes to infinity? d. Determine V1(t). e. Find power absorbed by the 5Ω resistor as a function of time. f. Find the energy stored in the electric field of the capacitor at t = 7ms. g. How many electrons are on the negative plate of the capacitor at t =
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