Chapter 27, Problem 6PP

$\begin{array}{l}{\text{E}}_{\text{S}}480\text{ V}\\ {\text{I}}_{\text{P}}\_\_\_\_\_\\ {\text{N}}_{\text{S}}\text{275 turns}\\ \text{Ratio\_\_\_\_\_}\\ {\text{E}}_{\text{S}}\_\_\_\_\_\\ {\text{I}}_{\text{S}}\text{\_\_\_\_\_}\\ {\text{N}}_{\text{S}}525\text{ turns}\\ \text{Z=1}\text{.2 kΩ}\end{array}$