T=0.2*10^(-3) cек
f=1/T=1/(0.2*10^(-3))=5000Hz
i=Imax*sin(2*pi*f*T/6))=2*10^(-4)*sin(2*pi*5000*0.2*10^(-3)/6)=0.00017A
Xc=1/(2*pi*f*C)=1/(2*pi*5000*4*10^(-6))=7.96 Om
u(c)=i*Xc=0.00017*7.96=0.00135 V
w(c)=0.5*C*u(c)^2=0.5*4*10^(-6)*0.00135^2=3.645*10^(-12) Дж
w(c)=0.5*q*u(c)--->q=2*w(c)/u(c)=2*3.645*10^(-12)/0.00135=5.4*10^(-9)Кл
f=1/(2*pi*sqrt(LC))---->
L=1/(4*pi^2*f^2*C)=1/(4*pi^2*5000^2*4*10^(-6))=0.00025 Гн
W=0.5*L*Imax^2=0.5*0.00025(2*10^(-4))^2=5*10^(-12)Дж
w(L)=5*10^(-12)-3.645*10^(-12)=1.355 Дж
Emax=U(L)=Imax*X(L)=2*10^(-4)*7.96=0.0016 V