We begin the problem with an open switch and an uncharged capacitor. At time t = 0, the switch is closed. Begin the problem by re-drawing the RC circuit at t = 0. 1. Determine I4(t = 0), the magnitude of the current flowing through the resistor R4 just after the switch is closed at time t = 0. I4(t = 0) A %3D 2. Determine I2 max, the maximum current that flows through resistor R2. A positive value for the current is defined to be in the direction of the arrow shown. 12 A , max 3. Determine Qmax, the maximum amount of charge on the capacitor after the switch has been closed for a very long time, t → o. Qmax
We begin the problem with an open switch and an uncharged capacitor. At time t = 0, the switch is closed. Begin the problem by re-drawing the RC circuit at t = 0. 1. Determine I4(t = 0), the magnitude of the current flowing through the resistor R4 just after the switch is closed at time t = 0. I4(t = 0) A %3D 2. Determine I2 max, the maximum current that flows through resistor R2. A positive value for the current is defined to be in the direction of the arrow shown. 12 A , max 3. Determine Qmax, the maximum amount of charge on the capacitor after the switch has been closed for a very long time, t → o. Qmax
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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R1=32 ohms, R2=21 ohms, R3=74 ohms, R4=87 ohms, C=46 microF, t open= 640 microseconds, batttery is 20 V

Transcribed Image Text:RC Circuit: Charging
We begin the problem with an open switch and an uncharged capacitor. At time t
problem by re-drawing the RC circuit at t = 0.
:0, the switch is closed. Begin the
1. Determine 14(t = 0), the magnitude of the current flowing through the resistor
R4 just after the switch is closed at time t = 0.
14(t = 0) =
A
2. Determine /2, max
the maximum current that flows through resistor R2.
A positive value for the current is defined to be in the direction of the arrow shown.
A
12, max
3. Determine Qmax, the maximum amount of charge on the capacitor after the
switch has been closed for a very long time, t → o.
Qmax
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R2
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12
+
R3
Vbat
C
R4
ww"
Transcribed Image Text:R1
ww
R2
ww
12
+
R3
Vbat
C
R4
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