A charged capacitor is connected to a resistor and a switch as in the figure below. The circuit has a time constant of 1.30 s. Soon after the switch is closed, the charge on the capacitor is 69.0% of its initial charg R- (a) Find the time interval required for the capacitor to reach this charge. (b) If R = 220 kn, what is the value of C?

Physics for Scientists and Engineers
10th Edition
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter26: Current And Resistance
Section: Chapter Questions
Problem 37AP: A charge Q is placed on a capacitor of capacitance C. The capacitor is connected into the circuit...
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A charged capacitor is connected to a resistor and a switch as in the figure below. The circuit has a time constant of 1.30 s. Soon after the switch is closed, the charge on the capacitor is 69.0% of its initial charge.
S
+Q
C
R
(a) Find the time interval required for the capacitor to reach this charge.
S
(b) If R = 220 k2, what is the value of C?
C =
µF
Transcribed Image Text:A charged capacitor is connected to a resistor and a switch as in the figure below. The circuit has a time constant of 1.30 s. Soon after the switch is closed, the charge on the capacitor is 69.0% of its initial charge. S +Q C R (a) Find the time interval required for the capacitor to reach this charge. S (b) If R = 220 k2, what is the value of C? C = µF
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