Ipa SMP KLS IX tolong dibantu ya.. Berserta cara nya. Thanks.

Dik : Np :1200 lilitan
Ns :1000 lilitan
Ip :4 A
dit : Is.....?
Np/Ns = Is/Ip
1200/1000 = Is/4
1200 . 4 = 1000 Is
4800/1000 =Is
Is = 4,8 A

semoga membantu :)