43. 如下圖所示,請求出諾頓等效電路之 Ith 與 Rth 之值分別為何? 台糖 110(A)Ith = 2A,Rth = 10Ω(B)Ith = 3A,Rth = 10Ω(C)Ith = 1A,Rth = 10Ω(D)Ith = 2A,Rth = 5Ω