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

Author Question: A long straight wire (diameter = 2.0 mm) carries a current of 30 A. What is the magnitude of the ... (Read 153 times)

kodithompson

  • Hero Member
  • *****
  • Posts: 566
on: Jul 28, 2018
A long straight wire (diameter = 2.0 mm) carries a current of 30 A. What is the magnitude of the magnetic field 2.5 mm from the axis of the wire?
 a. 3.2 mT
  b. 2.8 mT
  c. 2.4 mT
  d. 3.6 mT
  e. 3.0 mT

Question 2

A hollow cylindrical (inner radius = 2.0 mm, outer radius = 4.0 mm) conductor carries a current of 24 A parallel to its axis. This current is uniformly distributed over a cross section of the conductor. Determine the magnitude of the magnetic field at a point that is 5.0 mm from the axis of the conductor.
 a. 0.96 mT
  b. 1.7 mT
  c. 0.55 mT
  d. 1.2 mT
  e. 0.40 mT


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

SeanoH09

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

A


kodithompson

  • Member
  • Posts: 566
Reply 2 on: Jul 28, 2018
Gracias!

duy1981999

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Long-Term Potentiation Long-Term Potentiation
That politics was always a rough business is shown in this cartoon, which shows Lincoln, assisted by That politics was always a rough business is shown in this cartoon, which shows Lincoln, assisted by
Co-current flow in a concentric tube heat exchanger Co-current flow in a concentric tube heat exchanger
2. Given 4 vectors with magnitude of : 2. Given 4 vectors with magnitude of :
Long-term relationships, especially those who are married, having a child Long-term relationships, especially those who are married, having a child
Determined the magnitude of the magnetic force on the conductor. Determined the magnitude of the magnetic force on the conductor.
Video: Carbohydrate digestion - mouth and stomach & pancreas and small intestine

For a complete list of videos, visit our video library