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

Author Question: When current reverses direction in a wire, the surrounding magnetic field A) also reverses ... (Read 46 times)

lbcchick

  • Hero Member
  • *****
  • Posts: 550
on: Jul 29, 2018
When current reverses direction in a wire, the surrounding magnetic field
 
  A) also reverses direction.
  B) becomes momentarily stronger.
  C) contracts.
  D) expands.

Question 2

Magnetic field lines about a current-carrying wire
 
  A) extend radially from the wire.
  B) circle the wire in closed loops.
  C) both of these
  D) neither of these


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

zacnyjessica

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B


lbcchick

  • Hero Member
  • *****
  • Posts: 550
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


zacnyjessica

  • Sr. Member
  • ****
  • Posts: 345
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Gravity field of the Moon Gravity field of the Moon
Current Positions of Known Dwarf Planets and SSSBs in the Outer Solar System Current Positions of Known Dwarf Planets and SSSBs in the Outer Solar System
This 1795 engraving of a Stamp Act protest delineates a class division. The three British Tories—one This 1795 engraving of a Stamp Act protest delineates a class division. The three British Tories—one
Typical engine analyzer hookup that includes a scope display. (1) Coil wire on top of the ... Typical engine analyzer hookup that includes a scope display. (1) Coil wire on top of the ...
Alternative method of testing cardinal field of gaze Alternative method of testing cardinal field of gaze
How many electrons flow past a given cross section of the wire in 10.3 min? electrons How many electrons flow past a given cross section of the wire in 10.3 min? electrons
Video: Metaphase I Animation

For a complete list of videos, visit our video library