A-level Physics · Capacitors
Capacitor charging
Use V = V₀(1 − e^(−t/RC)) for the pd or charge while charging, or the time to reach a pd.
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Question 1
A 220 μF capacitor, initially uncharged, is charged from a 12 V supply through a 2.2 kΩ resistor. Calculate the charge on the capacitor 223 ms after charging begins, in μC. Give your answer to 3 significant figures.
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