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 21 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?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

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

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

For a complete list of videos, visit our video library