Q$24.20$KVA $,2000/200$ V$,$ single phase, $50$ H transformer has a primary resistance of $2\mathrm{.}5$ and reactance of $4\mathrm{.}8.$ The secondary resistance and reactance are $0\mathrm{.}01$ and $0\mathrm{.}018$ respectively. Find

$($i$)$ Equivalent resistance referred to primary Solution from the drawing

$$Choose The Best Answer

$1-3\mathrm{.}5$

$2-4\mathrm{.}5$

$3-33\mathrm{.}5$

$4-8\mathrm{.}9$