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 27 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?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Cyanide works by making the human body unable to use oxygen.

For a complete list of videos, visit our video library