Question

求解电路分析题目，谢谢

不知道是如何得出方程式的，最好详细说明下，多谢了

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Answer 1

R3=1/jωc =1/jω=R4

(1)：u'(1/R1+1/R2+1/R3) - u/R2 - u2/R3 - u1/R1 = 0;

==> u'(1+jω+1) - u - jω*u2 = U1;

(2) ：u/(1/R2+1/R4) - u'/R2 = 0 ==> u(1+jω) - u' = 0;