In an RC series circuit, the voltage is 12.0 V, resistance is 1.40-MΩ, and capacitance is 1.80 µF. a. Find the maximum charge that will appear on the capacitor during charging. b. How long does it take for the charge to build up to 16.0 µC?

A capacitor, initially at 21 V, is discharged using an 19 Ω resistor. After 155 s there are 4.2 V across the capacitor. What is the capacitance of the capacitor? (in F) a. 36.6 F b. 13.1 F c. 8.16 F d. 5.07 F

A. Four identical resistors are connected in series to a battery. If the current of 12 A flows from the battery, how much current flows through any one of the resistors? B. A parallel-plate capacitor has a capacitance of C. If the area of the plates is halved and the distance between the plates is doubled, what is the new capacitance?

A 10.0 μF capacitor initially charged to 20.0 μC is discharged through a 1.10 k resistor. How long does it take to reduce the capacitor's charge to 10.0 µC ? Express your answer with the appropriate units. 11.5 ms ? You have already submitted this answer. Enter a new answer. No credit lost. Try again.

An uncharged capacitor and a resistor are connected in series to a battery. If & = 9.00 V, C = 20 μF, and R = 2 Mº. a. Find the time constant of the circuit. b. Find the voltage across the resistor at the moment the switch is closed. c. The maximum charge on the capacitor. d. The voltage across the resistor 20 seconds after the switch is closed. e. The time it takes the capacitor to be 50% charged.

b. A capacitor in a RC circuit is charged for a long time as shown in the Figure below, where the battery voltage V=6V. The switch s is flipped from a to b and the capacitor discharges through the R = 4 MQ resistor. 4 seconds after the switch is flipped to discharge the capacitor, the voltage across the capacitor is 3 V. What are (a) The time constant of this circuit (b) The capacitance of the capacitor (c) The current in the circuit and the charge on the capacitor just before the switch is flipped from a to b. (d) The current in the circuit immediately after the switch is flipped from a to b

For the circuit given. What is the charge stored on C3, in mC? The voltage source in the circuit has a potential different of 6 V. C1 = 2.42 mF  C2= 4.33 mF  C3= 6.96 mF

A heart pacemaker fires exactly 71 times a minute. Each time it fires, a 19.0 nF capacitor is charged by a battery in series with a resistor to 0.582 of its full voltage. What is the value of the resistance R? R =

3. vol, tag e vol, tag e 4. Sketch plots of capacitor voltage vs. time for two RC circuits being charged by a battery. Both plots should be at the same scale. a. R = 250 22, C = 1000 μF time b. R = 250 2, C = 10 μF time Calculate the time constant for the R = 250 2, C = 10 uF RC circuit.

A series combination of a 45,000 Ohm resistor and an unknown capacitor is connected to a 15 V battery. Once second after the circuit is completed, the voltage across the capacitor is 8 V. a. Determine the capacitance of the capacitor. b. What is the voltage across the capacitor 2 seconds after the circuit is completed?