Transformer - U1 = 230 V, N1 = 300, N2 = 1,200, I1 = 4 A. Calculate the transformation ratio, voltage and current in the secondary coil.

Correct answer:

k =  4
U2 =  920 V
I2 =  1 A

Step-by-step explanation:

U1=230 V N1=300 N2=1200 I1=4 A  k=N1N2=3001200=4
U2=k U1=4 230=920 V
U1 I1=U2 I2  I1=k I2  I2=I1/k=4/4=1 A

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