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7.2. Show all of your work on this problem. Use V1 12 V, R1 2 kQ, R2 6 kQ, R3 a) The switch in the circuit shown as Fig. 7.2 has been in the closed position for a significant amount of time. What is the voltage across the capacitor just before the switch opens at t = 0? b) Find the time constant for this circuit with the switch open, and write the equation for Vc(t) for t> 0. c) Find Vo(t) for> 0 d) Plot Ve(t) and vo(t) for 5 time constants, including the time interval just prior to opening the switch.

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Answer #1

a) RLI2 P2 -t2, t 는 L42.5t 2:5는 dと at ←名 2.5t-3 -3 2-SE と、24.55 10.87 14개

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