DATA You set up the circuit shown in Fig. 26.22a, where R = 196 Ω. You close the switch at time t = 0 and measure the magnitude i of the current in the resistor R as a function of time t since the switch was closed. Your results are shown in Fig. P26.80. where you have chosen to plot In i as a function of t. (a) Explain why your data points lie close to a straight line, (b) Use the graph in Fig. P26.80 to calculate the capacitance C and the initial charge Q0 on the capacitor, (c) When i = 0.0500 A, what is the charge on the capacitor? (d) When q = 0.500 × 10−4 C, what is the current in the resistor?
Figure P26.80
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