Chapter 28, Problem 2PP

$\begin{array}{l}\begin{array}{l}{\text{E}}_{\text{P}}240\text{ V}\hfill \\ {\text{I}}_{\text{P}}\text{\_\_\_\_\_}\hfill \\ {\text{N}}_{\text{P}}\_\_\_\_\_\hfill \\ \text{Ratio \_\_\_\_\_}\hfill \\ {\text{E}}_{\text{s}}\text{320 V}\hfill \\ \text{Is \_\_\_\_\_}\hfill \\ {\text{N}}_{\text{s}}28\text{0}\hfill \end{array}\\ \text{Z = 500 }\Omega \end{array}$