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Author Question: Superconducting electromagnets A) account for cases of magnetic levitation. B) are characterized ... (Read 51 times)

jc611

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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.



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abro1885

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Answer to Question 1

Answer: A

Answer to Question 2

Answer: C





 

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