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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=0.500kΩ. The c
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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=0.500kΩ. The c
A capacitor C is charged to 20.0 V using a DC power supply. It is then discharged through a resistor of R=0.500kΩ. The circuit diagram is shown in Figure 1 . The variation with time t of the potential difference ΔV across the capacitor C during the charging process is shown in Figure 2. Figure 1 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? (2 marks) (b) Determine the capacitance of capacitor C. (1 mark) (c) Calculate the charge in the capacitor during the discharging process at 7.68 s. (4 marks)
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