Aprēķins: hV3qpH - 1

W  = 
 
 L* I^2
/ 2
W =  
 L* I^2
/ 2
W = L*I^2/2
W =  
 I^2* L
/ 2
W = I^2*L/2
W =  0.5* I^2* LW = 0.5*I^2*L