The RC circuit in Figure 729 is driven by an input vSt = 10 sin2100 t ut

Question:

The RC circuit in Figure 7–29 is driven by an input vSðtÞ = 10 sinð2π100 tÞ uðtÞ and has an RT of 47 kΩ and a C of 0:1 μF. The capacitor has an initial voltage of −20 V.

(a) Use Multisim to plot the transient output voltage vðtÞ across the capacitor. In your plot include the input voltage and estimate when the circuit reaches steady state.

(b) Repeat if the capacitor was 0:01 μF with the same initial condition.

(c) Study your results. In general, what would you do to permit the circuit to reach steady state by one cycle of the output waveform?

(d) Suppose that the driving function was vSðtÞ = 10 sinð2π1000 tÞ uðtÞ. How would that change affect how quickly the circuit reaches steady state as defined in (c)?

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Related Book For  book-img-for-question

The Analysis And Design Of Linear Circuits

ISBN: 9781119235385

8th Edition

Authors: Roland E. Thomas, Albert J. Rosa, Gregory J. Toussaint

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