Transformers

Q1: If a transformer has 50 turns in the primary winding and 10 turns in the secondary winding, what is the reflective resistance if the secondary load resistance is 250 ?

A 250 

B 25 

C 6,250 

D 62,500 

ANS:C - 6,250 

R1 = (N1/N2)^2 * RL,
R1 = (50/10)^2 * 250,
R1 = 6250.



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