Author Question: When a current-carrying wire is bent into a loop, its magnetic field inside the loop A) weakens. ... (Read 929 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?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

For a complete list of videos, visit our video library