A 180 k resistor and a capacitor are connected in series, Ask an Expert

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A 18.0 k? resistor and a capacitor are connected in series and then a 12.0 V potential difference is suddenly applied across them. The potential difference across the capacitor rises to 8.76 V in 1.22 µs. (a) Calculate the time constant of the circuit (in ?s). (b) Find the capacitance of the capacitor in nanofarads.

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