A series circuit consisting of an uncharged 2.0-F capacitor and a 10-M resistor is connected across a

A series circuit consisting of an uncharged 2.0-µF capacitor and a 10-MΩ resistor is connected across a 100-V power source. What are the current in the circuit and the charge on the capacitor (a) after one time constant, and (b) when the capacitor has acquired 90 percent of its final charge?

A- (a) 10.0 µA, 0.2 mC (b) 9.0 µA, 45.0 mC

B- (a) 27.0 µA, 0.54 mC (b) 4.0 µA, 18.0 nC

C- (a) 3.7 µA, 0.13 mC (b) 1.0 µA, 0.18 mC

D- (a) 37.0 kA, 10.4 mC (b) 24.6 µA, 0.22 mC

Answer rating: 100% (QA)

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