The circuit in Figure P7–59 is in the zero state when the step function input is applied. The circuit parameters are L ¼

250 mH, C = 1 mF, R ¼ 3.3 kV, and VA ¼ 10 V. Find vO(t) for t 0. (Hint. Find the capacitor voltage first.)

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+ R C WH w VAu(t) L2 vo(t) FIGURE P7-59