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

Multiple Choice

A series RC circuit,which is made from a battery,a switch,a resistor,and a 5-μF capacitor,has a time constant of 8 ms.If an additional 7-μF is added in series to the 5-μF capacitor,what is the resulting time constant?

A) 11.2 ms
B) 4.7 ms
C) 0.5 ms
D) ​13.7 ms
E) ​This cannot be found without the value of the resistance being given.