HomeworkLib
Question

Suppose you have two identical capacitors. You connect the first capacitor to a battery that has...

Suppose you have two identical capacitors. You connect the first capacitor to a battery that has a voltage of 25 volts, and you connect the second capacitor to a battery that has a voltage of 12.1 volts.

What is the ratio of the energies stored in the capacitors: Ecap1/Ecap2? Assume 3 significant digits.

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

Homework Answers

Answer #1

Aus ssume both have capacitange c we know کد energy stored in capacidos iso E=1 cv2 So Ei= 1 c vi & Ez = I cv ? so El locu, V

0 0
Add a comment
Know the answer?
Add Answer to:
Suppose you have two identical capacitors. You connect the first capacitor to a battery that has...
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

  • Two capacitors are at an equal voltage. The first capacitor has twice the capacitance as the...

    Two capacitors are at an equal voltage. The first capacitor has twice the capacitance as the second capacitor. How much energy is stored in the first capacitor compared to the second capacitor?

  • 1. Identical capacitors A and B are fully charged by the same battery. Capacitor A is...

    1. Identical capacitors A and B are fully charged by the same battery. Capacitor A is disconnected from the battery while capacitor B remains connected to it. Identical dielectric slabs are inserted between the plates of the capacitors. Which of the following is true? 2. A parallel plate capacitor (shown) is fully charged and remains connected to the battery. A conducting plate is inserted into the gap between the two plates, partially filling the gap. Which of the following is...

  • Two capacitors are connected to each other and the battery is removed. The voltage across each...

    Two capacitors are connected to each other and the battery is removed. The voltage across each capacitor is 5.5 volts. V = V1 = V2 = 5.5 V. The capacitance of C1 = 1.0 x 10 ^-6 F and the capacitance of C2= 2.0 x 10 ^-6 F. What is the charge on each capacitor? If the gap between the plates of C1 if filled with paraffin (dielectric constant K=2.2) what is the new charge on each capacitor and what...

  • Suppose you have a 9V battery, a 2.30uF capacitor, and a 6.90uF capacitor. Find the charge...

    Suppose you have a 9V battery, a 2.30uF capacitor, and a 6.90uF capacitor. Find the charge and energy stored if the capacitors are connected to the battery in series. Do the same for a parallel connection.

  • (11 %) Problem 8: Suppose you have a 9.00 V battery, a 2.8 μF capacitor, and...

    (11 %) Problem 8: Suppose you have a 9.00 V battery, a 2.8 μF capacitor, and a 8.45 μF capacitor. 25% Part (a) Find the total charge stored in the system if the capacitors are connected to the battery in series in C. sin cosO tan HOME acosO atan)acotan)sinh) 0 coshO tanh) cotanhO DegreesRadians END BACKSPACE DEL CLEAR Submit Hint I give up! Hints: 1 % deduction per hint. Hints remaining: 2 Feedback: 1% deduction per feedback 25% Part (b)...

  • Capacitors!! A) If you want to increase the capacitance by changing the shape and size of...

    Capacitors!! A) If you want to increase the capacitance by changing the shape and size of the capacitor, how would you do that? B) If you want to increase the capacitance but NOT change the shape and size how could you do it? Explain in some detail why your idea will increase the capacitance. C) You connect a 4 microfarad capacitor to a 10 volts battery. You then disconnect this capacitor from the battery. You then connect this 4 microfarad...

  • A-D please (1090) Problem 9: Suppose you have a 9.00 V battery, a 2.8 F capacitor,...

    A-D please (1090) Problem 9: Suppose you have a 9.00 V battery, a 2.8 F capacitor, and a 7.6SuF capacitor. 25% Part (a) Find the total charge stored in the systern if the capacitors are connected to the battery in series in sin cos an7 8 9 4 5 6 cotan as atan acotan sinh inacos0 2 3 0 cosh tan cotanh0 O Degrees O Radians Submit Hint Feedback I give up Feedback: 1 for a 0% deduction Hints: 0%...

  • Suppose you have a 9 V battery, a C1 = 4.9 µF capacitor, and a C2...

    Suppose you have a 9 V battery, a C1 = 4.9 µF capacitor, and a C2 = 8.3 µF capacitor. Find the charge stored in the combination if the capacitors are connected to the battery in parallel. You need to express your answer in µC. 1 µC = 10-6 C

  • Problem 24.62 Two identical capacitors are connected in parallel and each acquires a charge Q0 when...

    Problem 24.62 Two identical capacitors are connected in parallel and each acquires a charge Q0 when connected to a source of voltage V0. The voltage source is disconnected and then a dielectric (K = 2.8) is inserted to fill the space between the plates of one of the capacitors. Assume that the capacitor without the dielectric is the first and the capacitor with the dielectric is the second. Part A Determine the charge now on each capacitor. Express your answer...

  • 5. A parallel combination of two identical 2.0 uF parallel plate capacitors is connected to a...

    5. A parallel combination of two identical 2.0 uF parallel plate capacitors is connected to a 100-V battery. The battery is then removed and the separation between the plates of one of the capacitors is doubled. Find the charge on each capacitor 6. For the circuit shown below, Find: (a) The equivalent capacitance (b) The charge on each capacitor (c) The voltage across each capacitor (d) The total energy stored 0.3 F 10.0V 1.0 uF 0.25 uf

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