Question

In the circuit shown, both resistors have the same value R. Suppose switch S is initially closed and capacitor C is charged. When switch S is then opened, the circuit has a time constant . Conversely, suppose S is initially open and capacitor C is uncharged. When switch S is then closed, the circuit has a time constant . The ratio ´is:

A) 0.5
B) 0.67
C) 1
D) 1.5
E) 2

Answer

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