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Consider the circuit shown in the figure. A short time after closing the switch,
the charge on the capacitor is 70.0% of its initial charge. Assume the circuit has
a time constant of 18.7 s.
+Q
(a) Calculate the time interval required (in s) for the capacitor to reach this
charge.
(b) If R = 300 kn, what is the value of C (in uF)?
UF

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