Author Question: When a current-carrying wire is bent into a loop, its magnetic field inside the loop A) weakens. ... (Read 845 times)

robinn137

  • Hero Member
  • *****
  • Posts: 544
When a current-carrying wire is bent into a loop, its magnetic field inside the loop
 
  A) weakens.
  B) becomes concentrated.
  C) cancels.
  D) none of the above

Question 2

As the number of loops in a current-carrying wire is increased, the
 
  A) more spread out is the magnetic field.
  B) stronger the enclosed magnetic field.
  C) weaker the current.
  D) greater the back emf.



Awesome

  • Sr. Member
  • ****
  • Posts: 280
Answer to Question 1

Answer: B

Answer to Question 2

Answer: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

For a complete list of videos, visit our video library