(a)Z,X,R(in ohms)=   
 
    25.  
 
    24.494897  
 
    5.  
 
 (b)Regulation on full load on high voltage side(in volts)=   
 
    373.93877  
 
 Regulation on full load on low volrage side(in volts)=   
 
    14.957551  
 
 (c)Terminal voltage on low voltage side on full load(in volts)=   
 
    425.04245  
 
 (d)Efficiency of transformer(in%)=   
 
    97.023153  
 