In the Circuit Shown in the Figure,the Switches S1 and S2

question 20

Multiple Choice

In the circuit shown in the figure,the switches S1 and S2 are initially open and the 20-mF capacitor has a charge of 100 mC.About how long will it take after switch S1 is closed (switch S2 remains open) for the charge on the capacitor to drop to 5 mC?

• A)3.0 s
• B)6.0 s
• C)9.0 s
• D)12 s
• E)18 s

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