Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Problem 5: A 4 2 resistor is connected in series with a 2 µF capacitor and a 12.0 V battery of negligible
internal resistance. The capacitor is initially uncharged.
At time t= 0, switch S is closed.
S
C
V
R
(b.) Briefly describe what will happen when the switch is closed.
(c.) Time t= RC is called the time constant of the RC circuit. What is the physical
significance of the time t? (i.e. why is it called the time constant?)
(e) (c) What is the current in the circuit at time t = 2t? I= 0.4 A
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Transcribed Image Text:Problem 5: A 4 2 resistor is connected in series with a 2 µF capacitor and a 12.0 V battery of negligible internal resistance. The capacitor is initially uncharged. At time t= 0, switch S is closed. S C V R (b.) Briefly describe what will happen when the switch is closed. (c.) Time t= RC is called the time constant of the RC circuit. What is the physical significance of the time t? (i.e. why is it called the time constant?) (e) (c) What is the current in the circuit at time t = 2t? I= 0.4 A
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