35、According to the circuit shown in the..-阿摩線上測驗
1F is hello 幼兒園下 (2021/03/18)
此題是電路學雙埠網路,詳請自行參考電路學雙埠網路 Z/Y/G/H/T參數網路。 略過詳細電路設置解釋,此題為雙埠網路中的 Z參數定義如下: Z11 = V1/I1 設 I2=0: Z11 = V1/(V1/(20 + 40)) = 60 Z12 = V1/I2 設 I1=0: Z12 = (V2*(40/(30+40)))/(V2/(30+40)) = 40 Z21 = V1/I1 設 I2=0: Z21 = (V1*40/(20+40))/(V1/(20+40)) = 40 Z22 = V2/I2 設 I1=0: Z22 = V2/(V2/(30+40)) = 70 故選 B,C,... 查看完整內容 |