This topic contains a solution. Click here to go to the answer

Author Question: A copper ring can be made to levitate about the extended bar of an electromagnet because the ... (Read 163 times)

SAVANNAHHOOPER23

  • Hero Member
  • *****
  • Posts: 542
A copper ring can be made to levitate about the extended bar of an electromagnet because the magnetic field induced in the ring
 
  A) remains strong and steady.
  B) opposes the field producing it.
  C) is attracted to the top end of the bar.
  D) none of the above

Question 2

The amount of current produced by electromagnetic induction depends on the
 
  A) amount of induced voltage.
  B) resistance of the circuit to which it is connected.
  C) both of these
  D) none of the above



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

LP

  • Sr. Member
  • ****
  • Posts: 302
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C





 

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.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

For a complete list of videos, visit our video library