b=0.5 м S=3*10^-4 м² N=10³ W=120*10^-6 Дж μо=12,57*10^-7 Гн/м I=?
W=L*I²/2 L=μo*N²*S/b
I=(1/N)*√(2*W*b/(μo*S))=10^-3*√(2*120*10^-6*0.5/(12.57*10^-7*3*10^-4)=0.564 A
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b=0.5 м S=3*10^-4 м² N=10³ W=120*10^-6 Дж μо=12,57*10^-7 Гн/м I=?
W=L*I²/2 L=μo*N²*S/b
I=(1/N)*√(2*W*b/(μo*S))=10^-3*√(2*120*10^-6*0.5/(12.57*10^-7*3*10^-4)=0.564 A
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