
 (a)Iron Loss (in watts)=   
 
    1666.5667  
 
 (b)Copper Loss at full load (in watts)=   
 
    3333.3333  
 
 (c)Load KVA at which maximum efficiency occurs (in KVA)=   
 
    106.06284  
 
 (d)maximum efficiency of transformer at 0.8pf lagging(in %)=   
 
    96.220226  
 