The primary of a transformer were connected to a dc power source, ...

[newbem]

the primary of a transformer were connected to a dc power source, the transformer would have a voltage output
 
  A) at a higher efficiency than with an ac source.
  B) the same as its input.
  C) that is also dc.
  D) only briefly while being connected or disconnected.
  E) none of the above

Question 2

A certain transformer doubles input voltage. If the primary coil has 10 A of current, then the current in the secondary coil is
 
  A) 2 A.
  B) 5 A.
  C) 10 A.
  D) 25 A.
  E) none of the above

[bimper21]

Answer to Question 1

Answer: D

Answer to Question 2

Answer: B

[newbem]

TYSM

[LVPMS]

Gracias!