137. 如下圖所示,為戴維寧等效電路轉換至諾頓等效電路,下列敘述何者錯誤? 台鐵 113 (A)\( I_N = \frac{E_{TH}}{R_{TH}} \)(B)\( R_N = R_{TH} \)(C)\( I_N = \frac{R_{TH}}{E_{TH}} \)(D)\( R_N = \frac{E_{TH}}{I_N} \)