You connect a battery, resistor, and capacitor as in Fig. 26.20a, where ε = 36.0 V, C = 5.00 µF, and R = 120 Ω. The switch S is closed at t = 0. (a) When the voltage across the capacitor is 8.00 V, what is the magnitude of the current in the circuit? (b) At what time t after the switch is closed is the voltage across the capacitor 8.00 V? (c) When the voltage across the capacitor is 8.00 V, at what rate is energy being stored in the capacitor?
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