A transformer is a device used to A) transform an ...

[Haya94]

A transformer is a device used to
 
  A)
 
  transform an alternating current into a direct current.
  B)
 
  transform a direct current into an alternating current.
  C)
 
  increase or decrease an ac voltage.
  D)
 
  increase or decrease a dc voltage.

Question 2

If the south pole of one bar magnet is brought near the north pole of a second bar magnet, the two magnets will
 
  A)
 
  attract.
  B)
 
  repel.

[Qarqy]

Answer to Question 1

C

Answer to Question 2

A