A Series RC Circuit,which Is Made from a Battery,a Switch,a

question 28

Multiple Choice

A series RC circuit,which is made from a battery,a switch,a resistor,and a 3.45-μF capacitor,has a time constant of 11.0 ms.If an additional 12.0-μF is added in series to the 3.45-μF capacitor,what is the resulting time constant?

• A)38.3 ms
• B)8.54 ms
• C)1.19 ms
• D)14.2 ms
• E)This cannot be found without the value of the resistance being given.

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