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

Author Question: A copper ring can be made to levitate about the extended bar of an electromagnet because the ... (Read 137 times)

SAVANNAHHOOPER23

  • Hero Member
  • *****
  • Posts: 542
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C


SAVANNAHHOOPER23

  • Hero Member
  • *****
  • Posts: 542
Reply #2 on: Jul 29, 2018
Thanks


LP

  • Sr. Member
  • ****
  • Posts: 302
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

electromagnet electromagnet
Pap smear. Cells of the cervix (shown in the center) change in appearance as they progress through Pap smear. Cells of the cervix (shown in the center) change in appearance as they progress through
The fibers are made up of many myofibrils The fibers are made up of many myofibrils
Saturn and Its Outer, Giant Ring Saturn and Its Outer, Giant Ring
Schematic diagram of RNA polymerase II with the CTD extended Schematic diagram of RNA polymerase II with the CTD extended
Calculating the area of a circular ring Calculating the area of a circular ring
Video: Covalent bonds - role in the body

For a complete list of videos, visit our video library