 (a)Max efficiency will occur at   
 
    70.710678  
 
 Percent of full load   
 
 Maximum Efficiency (in %)=   
 
    96.585198  
 
 (b)Core Loss (in watts)=   
 
    314.58636  
 
    Copper Loss (in watts)=   
 
    435.41364  
 