Tutorial Problems $32\mathrm{.}2$

The primary of a certain transformer takes I A at a power factor of $0\mathrm{.}4$ when it in connecied acrons $200.$ V$,50-$ Hz supply and the secondary is on open circuil. The number of tums on the primary is arice that on the secondary$.$ A load taking $50$ A at a logging power factor of $0\mathrm{.}8$ is now connected cross the secondary$.$ What is now the value of primary currem?

$25,9A$