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

Author Question: Superconducting electromagnets A) account for cases of magnetic levitation. B) are characterized ... (Read 26 times)

jc611

  • Hero Member
  • *****
  • Posts: 552
Superconducting electromagnets
 
  A) account for cases of magnetic levitation.
  B) are characterized by easy penetration of external magnetic fields.
  C) both of these
  D) none of the above

Question 2

A common electromagnet consists of a
 
  A) bar magnet that carries an electric current.
  B) current-carrying wire coil.
  C) current-carrying coil with a piece of iron inside.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

abro1885

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

Answer: A

Answer to Question 2

Answer: C





 

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

For a complete list of videos, visit our video library