This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: When a capacitor has a charge of magnitude 80 C on each plate the potential difference across the ... (Read 55 times)

schs14

  • Hero Member
  • *****
  • Posts: 569
on: Jul 28, 2018
When a capacitor has a charge of magnitude 80 C on each plate the potential difference across the plates is 16 V. How much energy is stored in this capacitor when the potential difference across its plates is 42 V?
 a. 1.0 mJ
  b. 4.4 mJ
  c. 3.2 mJ
  d. 1.4 mJ
  e. 1.7 mJ

Question 2

A 4.0-mF capacitor initially charged to 50 V and a 6.0-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 6.0-mF capacitor?
 a. 20 mC
  b. 8.0 mC
  c. 10 mC
  d. 12 mC
  e. 230 mC


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kiamars2010

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

d


schs14

  • Member
  • Posts: 569
Reply 2 on: Jul 28, 2018
Gracias!

elyse44

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Fault Movements at Plate Boundaries Fault Movements at Plate Boundaries
Neuronal action potential. Neuronal action potential.
The slight (5 microsecond) difference in the firing of the companion cylinders is enough time to ... The slight (5 microsecond) difference in the firing of the companion cylinders is enough time to ...
Factors Contributing to Resting Membrane Potential Factors Contributing to Resting Membrane Potential
The Ames test, which screens compounds for potential mutagenicity The Ames test, which screens compounds for potential mutagenicity
Video: Chemical Synapse Animation

For a complete list of videos, visit our video library