1. In the circuit shown below, assume that the capacitor C has been fully charge
ID: 1321721 • Letter: 1
Question
1. In the circuit shown below, assume that the capacitor C has been fully charged by a battery (with voltage V0) that has just been removed from the circuit. What is the initial potential difference across the capacitor? What is the initial charge q0 on the capacitor? 2. Is the current in the circuit a maximum or a minimum right after the battery is removed? Does this current flow through the capacitor'? 3. How is the potential difference across the resistor related to that across the capacitor? 4. What happens to the potential difference across the capacitor as charge drains away from it? What happens to the potential across the resistor at the same rime? 5. How does the current in the circuit change as the capacitor discharges?Explanation / Answer
1. qo=0, V=Vo
2.maximum, no it doesnt flow through
3.Vr=Vc
4.Across C decreases, across R increases
5.I = (Vo/R)e^-(t/RC)
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