試題詳解

11 左下圖電路之等效 T 型電路如右下圖所示，求 R1、R2與 R3各為多少 Ω？ 
(A)R1 = 1 Ω，R2 = 4 Ω，R3 = 0.8 Ω
(B)R1 = 0.8 Ω，R2 = 4 Ω，R3 = 1 Ω
(C)R1 = 2 Ω，R2 = 10 Ω，R3 = 8 Ω
(D)R1 = 10 Ω，R2 = 8 Ω，R3 = 2 Ω