5.如【圖 5】所示,圖(b)為圖(a)的等效電路,則其 RTH與 ETH分別為多少?
(A) RTH =12/11 Ω、ETH = 2.4 V
(B) RTH =4/3 Ω、ETH = 8 V
(C)RTH =4 Ω、ETH = 6 V
(D) RTH =8/3 Ω、ETH = 4 V
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統計: A(5), B(163), C(15), D(7), E(0) #1819608
統計: A(5), B(163), C(15), D(7), E(0) #1819608