tolong banget bantu jawab yaa, soal yg nomor 18 dan 19. cepet ya, makasih

18. dik : N p = 300
N s = 1200
V p = 220 V
dit : V s = .... V
jawab: V s = (Ns × Vp) / Np
= (1200 × 220)/300
= 264.000/300
= 880 V
jawaban : D
19. dik : Vp = 220 V
Vs = 11 V
Ip = 2 A
dit : Is = .... A
Jawab : Is = ( Vp × Ip ) / Vs
= ( 220 × 2 ) / 11
= 440 / 11
= 40 A
jawaban : C

maaf klw slh