P28_044 - 44. (a) We use q = q0 et/ , or t = ln(q0 /q ),...

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44. (a) We use q = q 0 e t/τ ,o r t = τ ln( q 0 /q ), where τ = RC is the capacitive time constant. Thus, t 1 / 3 = τ ln[ q 0 / (2 q 0 / 3)] = τ ln(3 /
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