« previous next »

Author Question: When a current-carrying wire is bent into a loop, its magnetic field inside the loop A) weakens. ... (Read 944 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?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Glaucoma. (a) A buildup of pressure within the eye cavities, often caused by a blockage of vessels t Glaucoma. (a) A buildup of pressure within the eye cavities, often caused by a blockage of vessels t
The Magnetic Fields of Five Planets The Magnetic Fields of Five Planets
Symporter protein in the loop of Henle: (a) normal reabsorption of inhibition of the Na+, K+, and ... Symporter protein in the loop of Henle: (a) normal reabsorption of inhibition of the Na+, K+, and ...
A constant uniform magnetic field of 0.50 T is applied at right angles to the plane of a flat ... A constant uniform magnetic field of 0.50 T is applied at right angles to the plane of a flat ...
R-loop experimental analysis R-loop experimental analysis
Video: Isovolumetric VC, Ventricular ejection, Isovolumetric & Passive ventricular filling

For a complete list of videos, visit our video library