If a 12 V battery is connected across the primary of a ...

[notis]

If a 12 V battery is connected across the primary of a transformer with a turns ratio of 1:4, then the secondary voltage is ________.
 
  A) 48 V B) 3 V C) 12 V D) 0 V

Question 2

When a 1 k load resistor is connected across the secondary winding of a transformer with a turns ratio of 2:1, the source sees a reflected load of ________.
 
  A) 1 k B) 500  C) 4 k D) 2 k

[wilsonbho]

Answer to Question 1

D

Answer to Question 2

C

[notis]

Gracias!

[momolu]

Excellent