$2\mathrm{.}6)(1\mathrm{.}0$ Point$)$ For an ideal $2-$winding transformer, an impedance $Z_2$ connected across winding $2($secondary$)$ is referred to winding $1($primary$)$ by multiplying $Z_2$ by

A$.$ The turns ratio $(\frac{N_1}{N_2})$

B$.$ The square of the turns ration $(\frac{N_1}{N_2}{)}^2$

C$.$ The cubed turns ration $(\frac{N_1}{N_2}{)}^3$