Solve the textbook problems - transformer:

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

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


U1 =  40 V
N22 =  100


Solution in text U1 =
Solution in text N22 =

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