Transformer

Solve the textbook problems - transformer:

a) N1 = 40, N2 = 80, U2 = 80 V, U1 =?

b) N1 = 400, U1 = 200 V, U2 = 50 V, N2 =?

Correct answer:

U1 =  40 V
N22 =  100

Step-by-step explanation:

N1=40 N2=80 U2=80 V  N1:N2 = U1:U2 U1=N2N1 U2=8040 80=8040 80=803200=40 V
N21=400 U21=200 V U22=50 V  N22=U21U22 N21=20050 400=20050 400=20020000=100



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