Strictly speaking, Eq. (26.16) implies that an infinite
Chapter 26, Problem 87P(choose chapter or problem)
Strictly speaking, Eq. (26.16) implies that an ?infinite ?amount of time is required to discharge a capacitor completely. Yet for practical purposes, a capacitor may be considered to be fully discharged after a finite length of time. To be specific, consider a capacitor with capacitance ?C ?connected to a resistor ?R ?to be fully discharged if its charge ?q ?differs from zero by no more than the charge of one electron. (a) Calculate the time required to reach this required to reach this state always the same number of time constants, independent of the values of ?C a? nd ?? Why or why not?
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