« previous next »

Author Question: When a current-carrying wire is bent into a loop, its magnetic field inside the loop A) weakens. ... (Read 99 times)

robinn137

  • Hero Member
  • *****
  • Posts: 544
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
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
« previous next »
 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

visual field visual field
A Female Mouse Carrying a Pup A Female Mouse Carrying a Pup
Patrician Carrying Portrait Busts of Two Ancestors (Known as the Barberini Togatus) Patrician Carrying Portrait Busts of Two Ancestors (Known as the Barberini Togatus)
Fetus inside the womb Fetus inside the womb
Reabsorption in the Nephron Loop Reabsorption in the Nephron Loop
A particle (q = -4.0 mC, m = 5.0 mg) moves in a uniform magnetic field with a velocity having a ... A particle (q = -4.0 mC, m = 5.0 mg) moves in a uniform magnetic field with a velocity having a ...
Video: Transcription—A molecular view

For a complete list of videos, visit our video library