A capacitor C is charged to 20.0 V using a DC power supply. It is then discharged through a resistor of R = 0.500 kn. The circuit diagram is shown in Figure 1. The variation with time t of the potential difference AV across the capacitor C during the charging process is shown in Figure 2. (b) switch (C) switch 20.0 V R 20.0 V 10.0 V Figure 1. Figure 2 The capacitor is charged when switch X is closed and switch Y is opened. The capacitor is discharged when switch X is opened and switch Y is closed. (a) What is the time constant of the charging circuit? AV (V) Determine the capacitance of capacitor C. 1.69 s t(s) Calculate the charge in the capacitor during the discharging process at 7.68 s.

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A capacitor C is charged to 20.0 V using a DC power supply. It is then discharged
through a resistor of R = 0.500 kn. The circuit diagram is shown in Figure 1. The
variation with time t of the potential difference AV across the capacitor C during the
charging process is shown in Figure 2.
(b)
switch
(c)
switch
X
20.0 V
R
20.0 V
10.0 V
Figure 1
Figure 2
The capacitor is charged when switch X is closed and switch Y is opened.
The capacitor is discharged when switch X is opened and switch Y is closed.
(a)
What is the time constant of the charging circuit?
AV (V)
Determine the capacitance of capacitor C.
1.69 s
t(s)
Calculate the charge in the capacitor during the discharging process at 7.68 s.
Transcribed Image Text:A capacitor C is charged to 20.0 V using a DC power supply. It is then discharged through a resistor of R = 0.500 kn. The circuit diagram is shown in Figure 1. The variation with time t of the potential difference AV across the capacitor C during the charging process is shown in Figure 2. (b) switch (c) switch X 20.0 V R 20.0 V 10.0 V Figure 1 Figure 2 The capacitor is charged when switch X is closed and switch Y is opened. The capacitor is discharged when switch X is opened and switch Y is closed. (a) What is the time constant of the charging circuit? AV (V) Determine the capacitance of capacitor C. 1.69 s t(s) Calculate the charge in the capacitor during the discharging process at 7.68 s.
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