This topic contains a solution. Click here to go to the answer

Author Question: The size of the electric current in a electrical conductor is a function of which of the following? ... (Read 108 times)

frankwu

  • Hero Member
  • *****
  • Posts: 549
The size of the electric current in a electrical conductor is a function of which of the following?
 a. conductor cross sectional area
  c. density of charge carriers
  b. velocity of charge carriers
  d. All of these choices are valid.

Question 2

A bucket in an old well is hoisted upward by a rope which winds up on a cylinder having a radius of 0.050 m. How many rev/s must the cylinder turn if the bucket is raised at a speed of 0.20 m/s?
 a. 3.0 rev/s
  c. 0.48 rev/s
  b. 1.5 rev/s
  d. 0.64 rev/s



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

juliaf

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

D

Answer to Question 2

D





 

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

For a complete list of videos, visit our video library