首先根据向量形式下的VCR求出总的阻抗 Z = U/I = 40.8+j23.6；总阻抗取实部即为电阻R = 40.8Ω，取虚部为总电抗 Z‘ =j23.6电容的容抗为 Zc = 1/jwc = -j25，所以电感的感抗ZL = j48.6根据感抗公式 ZL = jwL 推出 L = 0.486H = 486.0mH
