In an Ideal 1:8 Step-Down Transformer, the Primary Power Is

Multiple Choice

In an ideal 1:8 step-down transformer, the primary power is 10 kW and the secondary current is 25 A. The primary voltage is:

A) 25,600 V
B) 3200 V
C) 400 V
D) 50 V
E) 6.25 V