A capacitor has a potential difference of V0 = 375 V between the plates. When the switch S is closed, it is discharged through a resistor of R = 14.5 kΩ. At time t = 10 seconds after the switch is closed, the potential difference between the capacitor plates equals VC = 1.0 V. a. Calculate the capacitance of the capacitor in farads.  b. Calculate the maximum current Imax that passes through the resistor, in Amperes. c. Calculate the current I at time t, in Amperes.

Consider the circuit below. The capacitor has a capacitance of 11 mF and starts out uncharged. The switch is closed at time t = 0. @ 2 W V = 12 V F2 R₁ = 20 Diagram Description R₂=402 # 3 a. At time t= 0 (immediately after the switch is closed), what is battery? Hint for (a) At time t= 0, the current from the battery is b. A long time after the switch is closed (and capacitor is fully charged), what is the current flowing out from the battery? Hint for (b) 80 F3 R₂ = 30 A long time after the switch is closed, the current from the battery is c. What is the charge on the capacitor a long time after the switch is closed? Hint for (c) The charge on the capacitor a long time after the switch is closed is E m $ R₁ = 30 F4 R % 5 current flowing out from the F5 T 6 F6 Y A. mC. & 7 AA F7 U * 00 8 DII FB ( 9 8 F9

Consider the following RC circuit with a 5 MQ resistor and 1000 nF capacitor in series. The battery provides a potential of 10 V before the switch is closed at time t=0, the capacitor is uncharged. a. what's the time constant? b. what fraction of the final charge Qf is on the capacitor at t=30 s? C. what fraction of the initial current Io is still flowing at t=30 s? E +1

a)What is the current through R1 immediately after the switch S is closed? b) What is the current through R2 after the switch S has been closed for a very long time? Assume that the battery does not go dead.

An RC circuit, hooked up to a battery as shown in the figure, starts with an uncharged capacitor. The resistance in the circuit is R = 681.0 2 the capacitor has capacitance of C = 88.0 µF and the battery maintains the emf of ɛ = 15.0 V. The switch is closed at time t = 0.0 s and the capacitor begins to charge. R What is the time constant for this circuit? Submit Answer Tries 0/99 What is the charge on the capacitor after the switch has been closed for t = 7.01×10-2 s? Submit Answer Tries 0/99 What is the current through the circuit after the switch has been closed for t = 7.01×10-2 s? Submit Answer Tries 0/99 What is the voltage across the capacitor after the switch has been closed for t = 7.01x10-2 s? Submit Answer Tries 0/99

Initially, for the circuit shown, the switch S is open and the capacitor is uncharged. The switch S is closed at time t = 0. In the figure shown, when the time t is equal to 8.0 s, the charge on the capacitor (in mC), is closest to: a. 4.06 b. 13.2 c. 0.23 d. 2.26 e. 1.33 70 V L www 0.20 ΜΩ 90 μF

RC Circuits: In this circuit, the battery has voltage E = 2.0 V, and each resistor has resistance R = 10 Q. The capacitor, which has capacitance C = 1.0 x10-12 F, carries. initial charge 3.0 x 10-12 C, with the positive charge on the right plate. The switch is closed at time t = 0 s. a. Immediately after time t = 0, what current flows through resistor 1? b. A long time later, what current flows through resistor 1? c. Sketch a rough graph of the charge on the right capacitor plate, as a function of time. દ 8. ww C R 2 R3

In the RC (series) circuit, R = 1.2 M2 and C = 5.00 µF. It is connected to a 30 volt power source with a www- R switch S. What is the current in the circuit when the capacitor reaches 25 volts? b. 4.17 µA 2.12 μΑ c. 9.3 μΑ 12.4 HA

There is a current of 0.25 A in the circuit of Figure P23.69.a. What is the direction of the current? Explain.b. What is the value of the resistance R?c. What is the power dissipated by R?d. Make a graph of potential versus position, starting from V = 0 V in the lower left corner and proceeding clockwise.See Figure P23.9 for an example.

In the figure R1 = 10.7 kΩ, R2 = 14.7 kΩ, C = 0.405 μF, and the ideal battery has emf ε = 25.0 V. First, the switch is closed a long time so that the steady state is reached. Then the switch is opened at time t = 0. What is the current in resistor 2 at t = 3.80 ms?