Draw two graphs of charge versus time on a capacitor. Draw one for charging an initially uncharged capacitor in series with a resistor, as in the circuit in Figure 21.37, starting from t = 0. Draw the other for discharging a capacitor through a resistor, as in the circuit in Figure 21.38, starting at t = 0, with an initial charge Q₀. Show at least two intervals of τ.

Data given in Figure 21.37

Data given in Figure 21.38

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