Jaką czestoliwosc ma prad przeminny plynacy w obwodzie . jezeli zawada obowdu ZRC=20Ω R=10 C=1mF

[latex]Z=sqrt{R^2+(X_c)^2} [/latex] [latex]X_c=frac{1}{omega C}=frac{1}{2pi fC}[/latex] [latex]Z^2-R^2=(X_c)^2 [/latex] [latex]Z^2-R^2=(frac{1}{2pi fC})^2}[/latex] [latex]Z^2-R^2=frac{1}{4pi^2C^2f^2}[/latex] [latex]4pi^2 C^2(Z^2-R^2)=frac{1}{f^2}[/latex] [latex]4pi^2 0,001^2(20^2-10^2)=frac{1}{f^2}[/latex] [latex]0,01184=frac{1}{f^2}\ sqrt{frac{1}{0,0118}}=f\ f=9,19Hz[/latex]