Choose units for a and d
meter cm inch

Parameters Input
d
a
mr
nH/m 
 		
           
          
 
          

    		 
    two seperate wires 

      
    
            

        
        

          
              
  • d:
    		• 
            distance from center to center
    
        
    
          
            
  • a:
    		• 
          wire radius
    
        
    
          
            
  • mr: 
            
      		• 
          relative permeability of the medium
      
      
      formula for two seperate wires