You charge an initially uncharged 69.1 mF capacitor through a 24.9 2 resistor by means of a 9.00 V battery having negligible internal resistance. Find the time constant t of the circuit. T = S What is the charge Q on the capacitor 1.25 time constants after the circuit is closed? Q = What is the charge Qo after a long amount of time has passed? Qo =

E2 R1 R2 2. Find the charge on the capacitor after the switch has been left open for some time, then closed for some period of time. We can assume that C = 2 µF, with batteries of values E1 R2 = 0.25 N. 2V and E2 =1V, and resistor values R1 = 0.5 N and S

The circuit has been connected for a long time. If C= 3 µF and ɛ = 24 V, then calculate the charge Q (in µC ) in the capacitor. www R. 3R

3. A 3 μF capacitor initially has a voltage of 1.5 V when it is discharged through a resistance R. The voltage 3 ms after it has started to discharge is 0.25 Volts. Determine the time constant Tc. a. b. Determine the resistance R.

Consider the circuit shown in the figure below, where C1 = 6.00 µF, C2 = 2.00 µF, and AV = 12.0 V. Capacitor C1 is first charged by closing switch S1. Switch S1 is then opened, and the charged capacitor is connected to the uncharged capacitor by closing S2. What is the new voltage across C2? AV OA 9,00 V O B. None of the given options OC 3,00 V O D. 12.0 V O E. 6.00 V

Four capacitors are arranged in the circuit shown in the figure. The capacitors have the values C₁ = 24.5 µF, C₂ = 45.5 µF, C3 = 50.5 µF, and C4 = 40.5 µF, and the power supply is at voltage V = 26.5 V. What is the equivalent capacitance of the circuit? equivalent capacitance: What is the charge on capacitor C₂? charge on C₂: What is the potential difference across capacitor C3? potential difference across C3: What is the potential energy stored in capacitor C4? potential energy stored in C4: HF с V J V C3 C₁ C₂ C₁

A 11.8 µF capacitor is charged by a 30.5 V battery through a resistance R. The capacitor reaches a potential difference of 4.00 V a time 3.00 s after charging begins. Find R. Need Help? Read It

R In the circuit shown in the figure, the S switch is closed at t = 0 and the capacitors, which are completely empty, begin to fill. Here E = 45 V, C = 5 µF and R = 100 2 R When t=T, what is the total charge, in units of microcoulomb, accumulated in the capacitors? Answer:

A 12.0-V battery is attached to a 2.00-mF capacitor and a 100-Ω Once the capacitor is fully charged, what is the energy stored in it? What is the energy dissipated as heat by the resistor as the capacitor is charging?

Four capacitors are arranged in the circuit shown in the figure. The capacitors have the values C C3 = 50.5 µF, and C4 = 40.5 µF, and the power supply is at v V = 22.5 V. = 24.5 µF, C2 = 45.5 µF, What is the equivalent capacitance of the circuit? C, V equivalent capacitance: µF C, What is the charge on capacitor C2? charge on C2: x100 C What is the potential difference across capacitor C3?