The capacitor in FIGURE P28.73 begins to charge after the switch closes at t = 0 s.

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The capacitor in FIGURE P28.73 begins to charge after the switch closes at t = 0 s.

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a. What is ΔVC a very long time after the switch has closed?b. What is Qmax in terms of Ԑ, R, and C?c. In this circuit, does I = +dQ/dt or -dQ/dt? Explain.d. Find an expression for the current I at time t. Graph I from t = 0 to t = 5τ.

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