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A capacitor, resistor, and an open switch are attached in series as seen below. Initially the switch is
open with the capacitor charged. The switch is then closed at time t = 0.00 s. At some time later,
the current across the resistor is measured to be 4.0 mA. If the capacitance of the capacitor is 6.6
μF and the resistance of the resistor is 8.8 k, what is the charge on the capacitor in μC?
di
S

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