I=3 A Q=0.9 Дж L=?
===
Q=L*I²/2
L=2*Q/I²=2*0.9/9=0.2 Гн
============================
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I=3 A Q=0.9 Дж L=?
===
Q=L*I²/2
L=2*Q/I²=2*0.9/9=0.2 Гн
============================