1. Describe what happens to the bulb and the capacitor when the switch is closed. Assume that the capacitor is initially discharged. H Switch Battery

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RC Circuits

1. Describe what happens to the bulb and the capacitor when the switch is closed. Assume
that the capacitor is initially discharged.
Switch
Battery
2. The switch has been closed for a long period of time, and a constant current run
through the circuit. Assume that C,= 3.0 µF, C2 = 6.0 µF, R,= 4.0 kN, R2 = 7.0 kN. The
power dissipated in R2 is 2.40 W. (a) Find the charge in C1. (b) Now the switch is open.
After a long time, how much has the load changed in C2?
5
R1
R2
C2
Transcribed Image Text:1. Describe what happens to the bulb and the capacitor when the switch is closed. Assume that the capacitor is initially discharged. Switch Battery 2. The switch has been closed for a long period of time, and a constant current run through the circuit. Assume that C,= 3.0 µF, C2 = 6.0 µF, R,= 4.0 kN, R2 = 7.0 kN. The power dissipated in R2 is 2.40 W. (a) Find the charge in C1. (b) Now the switch is open. After a long time, how much has the load changed in C2? 5 R1 R2 C2
3. Describe what happens to the bulb and the capacitor when the switch is closed. Assume
that the capacitor is initially discharged.
Battery
4. Suppose the switch has been closed for a long time and the capacitor is fully charged.
Find (a) the direct current in each resistor and (b) the charge on the capacitor. The
switch now opens at t = 0. (c) Find an expression for the current in R2.
12.0 ΚΩ
10.0 μΕ
R, = 15.0 k2
9.00 V
3.00 kΩ
Transcribed Image Text:3. Describe what happens to the bulb and the capacitor when the switch is closed. Assume that the capacitor is initially discharged. Battery 4. Suppose the switch has been closed for a long time and the capacitor is fully charged. Find (a) the direct current in each resistor and (b) the charge on the capacitor. The switch now opens at t = 0. (c) Find an expression for the current in R2. 12.0 ΚΩ 10.0 μΕ R, = 15.0 k2 9.00 V 3.00 kΩ
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