Question

A charged capacitor is being discharged through a resistor. At the end of one time constant the charge has been reduced by (1 - 1/e) = 63% of its initial value. At the end of two time constants the charge has been reduced by what percent of its initial value?
A) 82%
B) 86%
C) 100%
D) between 90% and 100%
E) need to know more data to answer the question

Answer

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