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 15 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
Wow, this really help

nothere

  • Member
  • Posts: 324
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Inspect the site for potential veins to use and palpate to further locate a vein and test the firmne Inspect the site for potential veins to use and palpate to further locate a vein and test the firmne
Ishihara color plate for testing color blindness. Ishihara color plate for testing color blindness.
Neuronal action potential. Neuronal action potential.
Difference spectra of mitochondria Difference spectra of mitochondria
Solve Diophantus’s Problem B–8: To find two numbers such that their difference a Solve Diophantus’s Problem B–8: To find two numbers such that their difference a
Propagation of an action potential Propagation of an action potential
Video: How a Urinalysis is Performed

For a complete list of videos, visit our video library