Physics (AS & A Level) · Oct / Nov 2022 · Paper 42 · Question 6

A capacitor of capacitance C and a resistor of resistance R are connected as shown in Fig. 6.1. R C Fig. 6.1 Initially, the capacitor is charged and the switch is open. The switch is closed at time t = 0. Fig. 6.2 and Fig. 6.3 show, respectively, the variations with t of the charge Q on the capacitor and the potential difference (p.d.) V across the resistor. Q / mC t / s 0 0 5 10 15 0.5 1.0 V / V t / s 0 0 5 10 15 5 10 Fig. 6.2 Fig. 6.3

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