A capacitor with initial charge \( q_{0} \) is discharged through a resistor. What multiple of t...

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A capacitor with initial charge \( q_{0} \) is discharged through a resistor. What multiple of the time constant \( \tau \) gives the time the capacitor takes to lose (a) the first \( 25 \% \) of its charge and (b) \( 50 \% \) of its charge?
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