Question

Deriver an expression for the voltage drop across the capacitor in Figure I, for two cases. a. The source has been off for a long time and is turns on at t = 0 (ie, the source changes from 0 V to 5 V at t-0 and remains on indefinitely). b. The source has been on for a long time and is turns off att 0 (i.e. it changes from 5 V to 0 V at t -0 and remains off indefinitely) R1 In Out 6.8k V1 C1 47n PULSE(O 5 0 0.1U 0.1U 5m 10m) tran 0 10m 0 0.5m Figure 1: Circuit to view RC time constant effects

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