You have a 79.7 mF capacitor initially charged to a potential difference of 10.3 V. You...
You have a 56.9-mF capacitor initially charged to a potential difference of 11.1 V. You discharge the capacitor through a 4.41-Ohm resistor. What is the time constant? After what multiple of the time constant does the potential difference reach 2.93 V? Time constant: Numbers Multiple of time constant: Number
A 14.1 ?F capacitor in an RC circuit is initially charged up to a potential difference of 105 V. Then it is discharged through a resistor with a resistance of 49.1 k2. What is the voltage across the capacitor 423 ms after the discharge begins?
You charge an initially uncharged 89.9-mF capacitor through a 35.7-? resistor by means of a 9.00-V battery having negligible internal resistance. Find the time constant of the circuit. What is the charge of the capacitor 1.09 time constants after the circuit is closed?
A 3.0-mF capacitor initially charged to 50 V and a 8.4-mF capacitor charged to 30 V are connected to each other with the positive plate of each connected to the negative plate of the other. What is the final charge on the 8.4-mF capacitor? (Answer in mC)
You charge an initially uncharged 61.1-mF capacitor through a 45.1-Ohams resistor by means of a 9.00-V battery having negligible internal resistance. Find the time constant of the circuit. What is the charge of the capacitor 1.23 time constants after the circuit is closed? What is the charge after a long time? Time constant: Charge: Charge after long time:
A 3.0-mF capacitor initially charged to 50 V and a 8.4-mF capacitor charged to 30 V are connected to each other with the positive plate of each connected to the negative plate of the other. What is the final charge on the 8.4-mF capacitor? (Answer in mC) I posted this question earlier and the answer the person got was wrong. They said the answer was 402 mC but Webassign said it was incorrect. Any help would be much appreciated!
You charge an initially uncharged 81.1-mF capacitor through a 39.1-12 resistor by means of a 9.00-V battery having negligible internal resistance. Find the time constant t of the circuit. t= What is the charge Q on the capacitor 1.17 time constants after the circuit is closed? What is the charge Qo after a long amount of time has passed?
QUESTION 3 Assume you have a capacitor with an initial potential difference of 100 V that is discharged through a resistor when a switch between them is closed at t=0. Att= 10.0s, the potential difference across the capacitor is 1.00 V and its time constant RC is 2.17 sec. What is the potential difference V(t) across the capacitor at t= 17.0 s? 0.0396 V 0.0309 V 0.0456 V 0.0412 V QUESTION 4 The capacitance (size) of the capacitor is a...
A 14.1 μF capacitor is charged to a potential of 45.0 V and then discharged through a 75.0 Ω resistor. (a) How long after discharge begins does it take for the capacitor to lose 90.0% of the following? (i) its initial charge? _______s (ii) its initial energy? ______s (b) What is the current through the resistor at both times in part (a)? (i) at tcharge ? _________ A (ii) at tenergy ? ________A
You have a 2.0-uF capacitor and a 9.0-V battery: 2a. If initially uncharged, how long does it take to charge the capacitor to 80% of its maximum voltage through a 1.5-M2 resistor? Assume its maximum voltage is the same as the battery. 2b. If initially fully charged, how long would it take to discharge the capacitor to 30% of its maximum voltage through a 2.4-MΩ resistor?