u=20 B i=0.2 A C=2*10^-5 Ф L=0.4 Гн Im=?
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C*u²/2 + L*i²/2=L*Im²/2
Im=√(C*u²+L*i²)/L=√(2*10^-5*20²+0.4*0.2²)/0.4≈0.39 A
u=20 B i=0.2 A C=2*10^-5 Ф L=0.4 Гн Im=?
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C*u²/2 + L*i²/2=L*Im²/2
Im=√(C*u²+L*i²)/L=√(2*10^-5*20²+0.4*0.2²)/0.4≈0.39 A