HomeworkLib
Question

A 0.2 F capacitor has been charged to 10 V. At t = 0, it is...

A 0.2 F capacitor has been charged to 10 V. At t = 0, it is connected to a resistor R and it begins to discharge. At t = 10 seconds, the charge on the capacitor is 1 Coulomb. What is the charge on the capacitor at t = 30 seconds?

science   physics   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

Given Capacitance C=0.2 F Initial Voltage Vo 10 V (10) Solution Qo 0.2 x 10 (t) = Qo e-t/RC Quo) 2e-10/RC 1 2 e 10/RO 0.5e-10

R 72.1 ohm Q(30) 2 x e-3/72.1x0.2 Q30)0.25 C

0 0
Add a comment
Know the answer?
Add Answer to:
A 0.2 F capacitor has been charged to 10 V. At t = 0, it is...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • 1. A capacitor C has been charged up to potential Vo. At time t0, it is...

    1. A capacitor C has been charged up to potential Vo. At time t0, it is connected to a resistor R, and begins to discharge [see figure (a) below] +0 -0 +o -0

  • 1. A capacitor C has been charged up to potential Vo. At timet0, it is connected...

    1. A capacitor C has been charged up to potential Vo. At timet0, it is connected to a resistor R, and begins to discharge [see figure (a) below] +0 (a) i Determine the charge Q(t) on the capacitor as a function of time. ii. What is the current I(t) through the resistor? iii. Sketch Q(t) and I(t) as a function oft iv. Wha v. By integrating P VI, where P is the power delivered to the circuit and V the...

  • I need asnwer for both questions 3- A capacitor of 10 uF is charged to 20...

    I need asnwer for both questions 3- A capacitor of 10 uF is charged to 20 V and is connected through of 3.3 kQ. At t- 0, the switch closes and the capacitor begins to discharge. What is the voltage across the capacitor after 20 ms? an open switch to a resistor Vc= 5.95 V Vc 1.77 V Vc - 0 V I Vc= 10.91 V 8- An inductor of 220 mH is charged to 10 mA and is connected...

  • A 10 µF capacitor is charged to 1000 V in a TV set.  There is a 10...

    A 10 µF capacitor is charged to 1000 V in a TV set.  There is a 10 MΩ “bleeder resistor” wired in parallel with the capacitor to drain off charge when the power is shut off.  What is the voltage (a) 10 seconds, (b) 100 seconds, and (c) 500 seconds after the power has been shut off?

  • A 100.0 µF capacitor is charged to 12.0 V at t = 0. The capacitor is...

    A 100.0 µF capacitor is charged to 12.0 V at t = 0. The capacitor is then allowed to discharge through a 50 W resistor. How long after the capacitor is allowed to discharge will its voltage be reduced to 10.0 volts? (1) 0.91 ms (2) 3.21 ms (3) 5.47 ms (4) 7.12 ms (5) 8.96 ms

  • A 10 uF capacitor that had been charged to 30 V is discharged through a resistor....

    A 10 uF capacitor that had been charged to 30 V is discharged through a resistor. The figure (Figure 1)shows the capacitor voltage as a function of time. Part A What is the value of the resistance? Express your answer using two significant figures. Figure (< 1 of 1 > AVC (V) ΑΣΦ R 180 Submit Previous Answers Request Answer 0 2 4 I f(ms) 6 X Incorrect; Try Again; One attempt remaining

  • To study the behavior of circuit containing a resistor and a charged capacitor when the capacitor...

    To study the behavior of circuit containing a resistor and a charged capacitor when the capacitor begins to discharge.  A capacitor with capacitance C is initially charged with charge q. At time t = 0, a switch is thrown to close the circuit connecting the capacitor in series with a resistor of resistance R (Figure 1)  Part AWhat happens to the charge on the capacitor immediately after the switch is thrown?  The electrons on the negative plate of the capacitor are...

  • -/10 points v A fully charged capacitor with a voltage of 120 V is discharged through...

    -/10 points v A fully charged capacitor with a voltage of 120 V is discharged through a resistor. (a) What is the voltage across the capacitor at the end of three time constants? (b) At this time, what is the voltage across the resistor? Additional Materials Charge and Discharge of a Capacitor Appendix

  • A capacitor with C = 1.40×10−5 F is connected as shown in the figure (Figure 1)...

    A capacitor with C = 1.40×10−5 F is connected as shown in the figure (Figure 1) with a resistor with R = 950 Ω and an emf source with E = 18.0 V and negligible internal resistance. Initially the capacitor is uncharged and the switch S is in position 1. The switch is then moved to position 2, so that the capacitor begins to charge. After the switch has been in position 2 for 10.0 ms, the switch is moved...

  • uncharged capacitor C1 is charging. At the time inst . capacitor CI - 80 F, and...

    uncharged capacitor C1 is charging. At the time inst . capacitor CI - 80 F, and ressitor R-10 kOhm are connected as magnitude, find (a) voltage on resistor R1 and Next, when C1 is fully charged, the switch charges capacitor C2 = 30 F. (d) Find the voltage on the magnitude of electric charge of C1 then? s charging. At the time instant b or R=10 kOhm are connected as shown and the initially u t in the circuit is...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT