  
 (a)Equivalent resistance reffered to high voltage side (in ohms)=   
 
    4.3  
 
    Equivalent reactance reffered to high voltage side (in ohms)=   
 
    9.  
 
    Equivalent impedance reffered to high voltage side (in ohms)=   
 
    9.9744674  
 
 (b)Equivalent resistance reffered to low voltage side (in ohms)=   
 
    0.043  
 
    Equivalent reactance reffered to low voltage side (in ohms)=   
 
    0.09  
 
    Equivalent impedance reffered to low voltage side (in ohms)=   
 
    0.0997447  
 
 (c)Total copper loss of transformer (in watts)=   
 
    430.