The transformer

The transformer's primary coil has 1100 turns and is connected to a voltage of 220 V. How many turns does the secondary coil have when it has a voltage of 55 V?
Determine the transformation ratio and decide what the transformation is.

Final Answer:

n2 =  275
k =  0.25

Step-by-step explanation:

n1=1100 U1=220 V U2=55 V  U1:U2 = n1:n2  n2=n1 U1U2=1100 22055=2201100 55=22060500=275
k=U1U2=22055=41=0.25



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