Расчет: eRa5Cz - 1

W  = 
 
 μ* μ0* H^2* V
/ 2
W =  
 μ* μ0* H^2* V
/ 2
W = μ*μ0*H^2*V/2
W =  
 H^2* V* μ* μ0
/ 2
W = H^2*V*μ*μ0/2
W =  0.5* H^2* V* μ* μ0W = 0.5*H^2*V*μ*μ0